Film Capacitors
Metallized Polyester Film Capacitors (MKT)
Series/Type: B32591 ... B32594
Date: May 2009
© EPCOS AG 2009. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Typical applications
Compact fluorescent lamps (CFL)
Blocking
Coupling, decoupling
Bypassing
Climatic
Max. operating temperature: 125 °C
Climatic category (IEC 60068-1): 55/100/56
Features
High pulse strength
High contact reliability
Construction
Dielectric: polyethylene terephthalate
(polyester, PET)
Stacked-film technology for lead spacing
10 and 15 mm (100 ... 400 V DC);
Wound capacitor technology for lead
spacing 10 and 15 mm (630 V DC) as well
as for lead spacing 22.5 and 27.5 mm
Epoxy resin coating (UL 94 V-0)
Terminals
Crimped wire leads, lead-free tinned,
lead length 6 1 mm or min. 20 mm
Straight wire leads, lead-free tinned,
lead length 17 ±3 mm
Different lead spacings
(reduced and enlarged) available,
lead length 6 1 mm
Marking
Manufacturer's logo,
rated capacitance (coded),
capacitance tolerance (code letter),
rated DC voltage,
additional for lead spacing ≥15 mm:
style, type, date of manufacture (coded)
Delivery mode
Bulk (untaped)
Taped (Ammo pack or reel) for lead spacing ≤22.5 mm.
For notes on taping, refer to chapter "Taping and packing“.
Dimensional drawing
Dimensions in mm
Lead spacing
±0.8
Lead diameter
d1
Type
1) 0.5 mm for capacitor width w ≤5 mm
10.0 0.61) B32591
15.0 0.6 B32592
22.5 0.8 B32593
27.5 0.8 B32594
Metallized polyester film capacitors (MKT) B32591 ... B32594
General purpose (stacked/wound)
Page 2 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Overview of available types
Technology: s = Stacked-film technology / w = Wound capacitor technology
Lead configurations
Series Standard Reduced Enlarged Straight
B32591 10 mm 5 / 7.5 mm 10 mm
B32592 15 mm 7.5 / 10 / 12.5 mm 17.5 mm 15 mm
B32593 22.5 mm 17.5 / 20 mm 25 mm 22.5 mm
B32594 27.5 mm 25 mm 27.5 mm
Lead spacing 10.0 mm 15.0 mm 22.5 mm
Type B32591 B32592 B32593
Page 5 6 7
Technology s s s w s s s w w w w w
VR(V DC) 100 250 400 630 100 250 400 630 100 250 400 630
VRMS (V AC) 63 160 200 200 63 160 200 200 63 160 200 200
CR(µF)
0.010
0.015
0.022
0.033
0.047
0.068
0.10
0.15
0.22
0.33
0.47
0.68
1.0
1.5
2.2
3.3
4.7
6.8
B32591 ... B32594
General purpose (stacked/wound)
Page 3 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Overview of available types
Technology: s = Stacked-film technology / w = Wound capacitor technology
Lead configurations
Series Standard Reduced Enlarged Straight
B32591 10 mm 5 / 7.5 mm 10 mm
B32592 15 mm 7.5 / 10 / 12.5 mm 17.5 mm 15 mm
B32593 22.5 mm 17.5 / 20 mm 25 mm 22.5 mm
B32594 27.5 mm 25 mm 27.5 mm
Lead spacing 27.5 mm
Type B32594
Page 8
Technology w w w w
VR(V DC) 100 250 400 630
VRMS (V AC) 63 160 200 220
CR(µF)
0.33
0.47
0.68
1.0
1.5
2.2
3.3
4.7
6.8
10
B32591 ... B32594
General purpose (stacked/wound)
Page 4 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Ordering codes and packing units (lead spacing 10 mm)
VR
V DC
VRMS
f≤60 Hz
V AC
CR
µF
Max. dimensions
w×h×l
mm
Ordering code
(composition see
below)
Ammo
pack
pcs./MOQ
Reel
pcs./
MOQ
Untaped
pcs./
MOQ
∇Wound capacitor technology
MOQ = Minimum Order Quantity, consisting of 4 packing units.
Further E series and intermediate capacitance values on request.
Composition of ordering code
+ = Capacitance tolerance code: *** = Packaging code:
M = ±20%
K = ±10%
J = ±5%
289 = Ammo pack
189 = Reel
010 = Untaped (lead length 6 1 mm)
011 = Untaped (lead length min. 20 mm)
008 = Untaped straight (lead length 17±3 mm)
Packaging codes for further lead configurations (untaped):
Reduced lead configuration (lead length 6 1 mm) Reduced Reduced
Lead spacing (mm) / Packaging code 5 / 035 7.5 / 030
100 63 0.10 5.0 ×9.0 ×13.0 B32591C1104+*** 3600 6000 6000
0.15 5.0 ×9.0 ×13.0 B32591C1154+*** 3600 6000 6000
0.22 5.0 ×9.0 ×13.0 B32591C1224+*** 3600 6000 6000
0.33 5.5 ×9.0 ×13.0 B32591C1334+*** 2720 5200 6000
0.47 6.0 ×9.5 ×13.0 B32591C1474+*** 2400 5200 4000
0.68 7.0 ×10.5 ×13.0 B32591C1684+*** 2000 4000 4000
1.0 8.0 ×15.0 ×13.0 B32591C1105+*** 1800 3600 2000
250 160 0.033 5.0 ×9.0 ×13.0 B32591C3333+*** 3600 6000 6000
0.047 5.0 ×9.0 ×13.0 B32591C3473+*** 3600 6000 6000
0.068 5.0 ×9.0 ×13.0 B32591C3683+*** 3600 6000 6000
0.10 5.0 ×9.0 ×13.0 B32591C3104+*** 3600 6000 4000
0.15 5.5 ×10.0 ×13.0 B32591C3154+*** 2720 5200 4000
0.22 6.0 ×10.5 ×13.0 B32591C3224+*** 2720 5200 4000
0.33 6.5 ×11.0 ×13.0 B32591C3334+*** 2320 4400 4000
0.47 8.0 ×13.5 ×13.0 B32591C3474+*** 1800 3600 2000
400 200 0.010 5.0 ×9.0 ×13.0 B32591C6103+*** 3320 6000 6000
0.015 5.0 ×9.0 ×13.0 B32591C6153+*** 3320 6000 6000
0.022 5.0 ×9.0 ×13.0 B32591C6223+*** 3320 6000 6000
0.033 5.0 ×9.0 ×13.0 B32591C6333+*** 3320 6000 6000
0.047 5.0 ×10.5 ×13.0 B32591C6473+*** 3320 6000 4000
0.068 5.5 ×10.5 ×13.0 B32591C6683+*** 3320 5200 4000
0.10 6.0 ×11.5 ×13.0 B32591C6104+*** 3120 5200 4000
630 200 0.010 ∇6.5 ×10.5 ×13.0 B32591C8103+*** 2400 4400 2000
0.015 ∇6.5 ×10.5 ×13.0 B32591C8153+*** 2400 4400 2000
0.022 ∇7.5 ×11.5 ×13.0 B32591C8223+*** 2000 4000 2000
B32591
General purpose (stacked/wound)
Page 5 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Ordering codes and packing units (lead spacing 15 mm)
VR
V DC
VRMS
f≤60 Hz
V AC
CR
µF
Max. dimensions
w×h×l
mm
Ordering code
(composition see
below)
Ammo
pack
pcs./MOQ
Reel
pcs./
MOQ
Untaped
pcs./
MOQ
∇Wound capacitor technology
MOQ = Minimum Order Quantity, consisting of 4 packing units.
Further E series and intermediate capacitance values on request.
Composition of ordering code
+ = Capacitance tolerance code: *** = Packaging code:
M = ±20%
K = ±10%
J = ±5%
289 = Ammo pack
189 = Reel
010 = Untaped (lead length 6 1 mm)
011 = Untaped (lead length min. 20 mm)
008 = Untaped straight (lead length 17±3 mm)
Packaging codes for further lead configurations (untaped):
Lead configuration (lead length 6 1 mm) Reduced Reduced Reduced Enlarged
Lead spacing (mm) 7.5 10 12.5 17.5
Packaging code 030 040 050 060
100 63 0.47 5.0 ×9.5 ×18.0 B32592C1474+*** 4680 6000 4000
0.68 5.5 ×10.5 ×18.0 B32592C1684+*** 4000 5200 4000
1.0 6.5 ×10.5 ×18.0 B32592C1105+*** 3320 4400 2000
1.5 7.5 ×14.0 ×18.0 B32592C1155+*** 3120 3720 2000
2.2 9.0 ×14.0 ×18.0 B32592C1225+*** 2560 3320 1000
3.3 11.0 ×17.5 ×18.0 B32592C1335+*** 2000 2560 1000
4.7 11.0 ×17.5 ×18.0 B32592C1475+*** 2000 2560 1000
250 160 0.22 5.5 ×9.0 ×18.0 B32592C3224+*** 4000 5200 4000
0.33 6.0 ×10.0 ×18.0 B32592C3334+*** 3720 5200 2000
0.47 7.0 ×11.0 ×18.0 B32592C3474+*** 3120 4000 2000
0.68 8.0 ×11.5 ×18.0 B32592C3684+*** 2720 3600 2000
1.0 9.5 ×13.0 ×18.0 B32592C3105+*** 2320 3120 2000
400 200 0.068 5.0 ×9.0 ×18.0 B32592C6683+*** 4680 6000 4000
0.10 5.0 ×10.0 ×18.0 B32592C6104+*** 4680 6000 4000
0.15 6.0 ×10.5 ×18.0 B32592C6154+*** 3720 5200 4000
0.22 7.0 ×11.0 ×18.0 B32592C6224+*** 3120 4000 2000
0.33 8.0 ×12.0 ×18.0 B32592C6334+*** 2720 3600 2000
0.47 9.5 ×13.0 ×18.0 B32592C6474+*** 2320 3120 1000
0.68 10.0 ×16.0 ×18.0 B32592C6684+*** 2020 2800 1000
630 200 0.033 ∇6.5 ×10.5 ×18.0 B32592C8333+*** 3320 4400 4000
0.047 ∇7.0 ×12.0 ×18.0 B32592C8473+*** 3120 4000 2000
0.068 ∇7.5 ×14.0 ×18.0 B32592C8683+*** 3120 3720 2000
0.10 ∇8.5 ×15.0 ×18.0 B32592C8104+*** 2560 3320 2000
B32592
General purpose (stacked/wound)
Page 6 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Ordering codes and packing units (lead spacing 22.5 mm)
VR
V DC
VRMS
f≤60 Hz
V AC
CR
µF
Max. dimensions
w×h×l
mm
Ordering code
(composition see
below)
Ammo
pack
pcs./MOQ
Reel
pcs./
MOQ
Untaped
pcs./
MOQ
MOQ = Minimum Order Quantity, consisting of 4 packing units.
Further E series and intermediate capacitance values on request.
Composition of ordering code
+ = Capacitance tolerance code: *** = Packaging code:
M = ±20%
K = ±10%
J = ±5%
289 = Ammo pack
189 = Reel
010 = Untaped (lead length 6 1 mm)
011 = Untaped (lead length min. 20 mm)
008 = Untaped straight (lead length 17±3 mm)
Packaging codes for further lead configurations (untaped):
Lead configuration (lead length 6 1 mm) Reduced Reduced Enlarged
Lead spacing (mm) 17.5 20 25
Packaging code 060 070 080
100 63 1.5 7.0 ×14.0 ×26.5 B32593C1155+*** 2000 2800 2000
2.2 8.5 ×15.0 ×26.5 B32593C1225+*** 1800 2400 2000
3.3 10.0 ×16.5 ×26.5 B32593C1335+*** 1520 2160 800
4.7 11.5 ×18.5 ×26.5 B32593C1475+*** 1200 1800 800
6.8 13.0 ×21.5 ×26.5 B32593C1685+*** 1120 1520 800
250 160 0.68 7.0 ×13.0 ×26.5 B32593C3684+*** 2000 2800 2000
1.0 7.0 ×15.5 ×26.5 B32593C3105+*** 2000 2800 2000
1.5 8.5 ×17.0 ×26.5 B32593C3155+*** 1600 2320 800
2.2 10.0 ×18.5 ×26.5 B32593C3225+*** 1400 2000 800
400 200 0.22 6.5 ×13.0 ×26.5 B32593C6224+*** 2020 3200 2000
0.33 7.0 ×14.0 ×26.5 B32593C6334+*** 2020 3200 2000
0.47 7.0 ×16.5 ×26.5 B32593C6474+*** 2000 2800 2000
630 200 0.10 7.0 ×14.0 ×26.5 B32593C8104+*** 2000 2800 2000
0.15 7.5 ×16.0 ×26.5 B32593C8154+*** 1800 2600 1000
0.22 8.5 ×17.0 ×26.5 B32593C8224+*** 1600 2320 1000
B32593
General purpose (wound)
Page 7 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Ordering codes and packing units (lead spacing 27.5 mm)
VR
V DC
VRMS
f≤60 Hz
V AC
CR
µF
Max. dimensions
w×h×l
mm
Ordering code
(composition see
below)
Untaped
pcs./MOQ
MOQ = Minimum Order Quantity, consisting of 4 packing units.
Further E series and intermediate capacitance values on request.
Composition of ordering code
+ = Capacitance tolerance code: *** = Packaging code:
M = ±20%
K = ±10%
J = ±5%
010 = Untaped (lead length 6 1 mm)
011 = Untaped (lead length min. 20 mm)
008 = Untaped straight (lead length 17±3 mm)
Packaging codes for further lead configurations (untaped):
Lead configuration (lead length 6 1 mm) Reduced
Lead spacing (mm) 25
Packaging code 090
100 63 4.7 10.5 ×18.5 ×31.5 B32594C1475+*** 800
6.8 12.5 ×21.0 ×31.5 B32594C1685+*** 800
10 17.0 ×22.0 ×31.5 B32594C1106+*** 800
250 160 1.5 8.5 ×16.0 ×31.5 B32594C3155+*** 2000
2.2 10.0 ×17.5 ×31.5 B32594C3225+*** 2000
3.3 12.0 ×19.5 ×31.5 B32594C3335+*** 800
4.7 14.0 ×21.5 ×31.5 B32594C3475+*** 800
6.8 15.0 ×25.0 ×31.5 B32594C3685+*** 800
400 200 0.68 8.0 ×16.0 ×31.5 B32594C6684+*** 1000
1.0 9.5 ×18.0 ×31.5 B32594C6105+*** 1000
1.5 11.5 ×20.0 ×31.5 B32594C6155+*** 1000
2.2 13.5 ×22.0 ×31.5 B32594C6225+*** 800
630 220 0.33 8.0 ×15.0 ×31.5 B32594C8334+*** 1000
0.47 10.0 ×16.0 ×31.5 B32594C8474+*** 800
0.68 10.5 ×18.0 ×31.5 B32594C8684+*** 800
B32594
General purpose (wound)
Page 8 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Technical data
Operating temperature range Max. operating temperature Top,max +125 °C
Upper category temperature Tmax +100 °C
Lower category temperature Tmin 55 °C
Rated temperature TR+85 °C
Dissipation factor tan δ(in 10-3) at CR≤0.1 µF 0.1 µF<CR≤1µF CR>1µF
at 20 °C1 kHz 8 10 10
(upper limit values) 10 kHz 15 20
100 kHz 30
Insulation resistance Rins VRCR≤0.33 µF CR> 0.33 µF
or time constant τ= CRRins 100 V DC 3750 MΩ1250 s
at 20 °C, rel. humidity ≤65% ≥250 V DC 7500 MΩ2500 s
(minimum as-delivered values)
DC test voltage 1.4 VR,2s
Category voltage VCTA(°C) DC voltage derating AC voltage derating
(continuous operation with VDC TA≤85 VC= VRVC,RMS = VRMS
or VAC atf≤60 Hz) 85<TA≤100 VC= VR(165TA)/80 VC,RMS=VRMS (165TA)/80
Operating voltage Vop for TA(°C) DC voltage (max. hours) AC voltage (max. hours)
short operating periods TA≤100 Vop = 1.25 VC(2000 h) Vop = 1.0 VC,RMS (2000 h)
(VDC or VAC atf≤60 Hz) 100<TA≤125 Vop = 1.25 VC(1000 h) Vop = 1.0 VC,RMS (1000 h)
Damp heat test 56 days/40 °C/93% relative humidity
Limit values after damp Capacitance change ∆C/C≤5%
heat test Dissipation factor change ∆tan δ ≤ 510-3 (at 10 kHz)
Insulation resistance Rins ≥50% of minimum
or time constant τ= CRRins as-delivered values
Reliability:
Failure rate λ1 fit (≤110-9/h) at 0.5 VR,40°C
Service life tSL 200 000 h at 1.0 VR,85°C
For conversion to other operating conditions and temperatures,
refer to chapter "Quality, 2 Reliability".
Failure criteria:
Total failure Short circuit or open circuit
Failure due to variation Capacitance change ∆C/C> 10%
of parameters Dissipation factor tan δ>2upper limit value
Insulation resistance Rins < 150 MΩ(CR≤0.33 µF)
or time constant τ= CRRins < 50 s (CR> 0.33 µF)
B32591 ... B32594
General purpose (stacked/wound)
Page 9 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Pulse handling capability
"dV/dt" represents the maximum permissible voltage change per unit of time for non-sinusoidal
voltages, expressed in V/µs.
"k0" represents the maximum permissible pulse characteristic of the waveform applied to the
capacitor, expressed in V2/µs.
Note:
The values of dV/dt and k0provided below must not be exceeded in order to avoid damaging the
capacitor.
dV/dt values
Lead spacing 10 mm 15 mm 22.5 mm 27.5 mm
Technology Stacked Wound Stacked Wound Wound Wound
VRVRMS
V DC V AC dV/dt in V/µs
100 63 75 50 2.5 2
250 160 150 100 4 3
400 200 175 125 7 5
630 200 20 15 10
630 220 8
k0values
Lead spacing 10 mm 15 mm 22.5 mm 27.5 mm
Technology Stacked Wound Stacked Wound Wound Wound
VRVRMS
V DC V AC k0in V2/µs
100 63 15 000 10 000 500 400
250 160 75 000 50 000 2 000 1 500
400 200 140 000 100 000 5 600 4 000
630 200 25 000 19 000 12 600
630 220 10 000
B32591 ... B32594
General purpose (stacked/wound)
Page 10 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Impedance Z versus frequency f
(typical values)
B32591 ... B32594
General purpose (stacked/wound)
Page 11 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Permissible AC voltage VRMS versus frequency f (for sinusoidal waveforms, TA≤55 °C)
For TA>55 °C, please refer to "General technical information", section 3.2.3.
Lead spacing 10 mm
100 V DC/63 V AC 250 V DC/160 V AC
400 V DC/200 V AC 630 V DC/200 V AC
B32591
General purpose (stacked/wound)
Page 12 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Permissible AC voltage VRMS versus frequency f (for sinusoidal waveforms, TA≤55 °C)
For TA>55 °C, please refer to "General technical information", section 3.2.3.
Lead spacing 15 mm
100 V DC/63 V AC 250 V DC/160 V AC
400 V DC/200 V AC 630 V DC/200 V AC
B32592
General purpose (stacked/wound)
Page 13 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Permissible AC voltage VRMS versus frequency f (for sinusoidal waveforms, TA≤55 °C)
For TA>55 °C, please refer to "General technical information", section 3.2.3.
Lead spacing 22.5 mm
100 V DC/63 V AC 250 V DC/160 V AC
400 V DC/200 V AC 630 V DC/200 V AC
B32593
General purpose (wound)
Page 14 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Permissible AC voltage VRMS versus frequency f (for sinusoidal waveforms, TA≤55 °C)
For TA>55 °C, please refer to "General technical information", section 3.2.3.
Lead spacing 27.5 mm
100 V DC/63 V AC 250 V DC/160 V AC
400 V DC/200 V AC 630 V DC/220 V AC
B32594
General purpose (wound)
Page 15 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Mounting guidelines
1 Soldering
1.1 Solderability of leads
The solderability of terminal leads is tested to IEC 60068-2-20, test Ta, method 1.
Before a solderability test is carried out, terminals are subjected to accelerated ageing (to
IEC 60068-2-2, test Ba: 4 h exposure to dry heat at 155 °C). Since the ageing temperature is far
higher than the upper category temperature of the capacitors, the terminal wires should be cut off
from the capacitor before the ageing procedure to prevent the solderability being impaired by the
products of any capacitor decomposition that might occur.
Solder bath temperature 235 ±5°C
Soldering time 2.0 ±0.5 s
Immersion depth 2.0 +0/0.5 mm from capacitor body or seating plane
Evaluation criteria:
Visual inspection Wetting of wire surface by new solder ≥90%, free-flowing solder
1.2 Resistance to soldering heat
Resistance to soldering heat is tested to IEC 60068-2-20, test Tb, method 1A.
Conditions:
Series Solder bath temperature Soldering time
MKT boxed (except 2.5 ×6.5 ×7.2 mm)
coated
uncoated (lead spacing > 10 mm)
260 ±5°C 10 ±1 s
MFP
MKP (lead spacing > 7.5 mm)
MKT boxed (case 2.5 ×6.5 ×7.2 mm) 5±1 s
MKP
MKT
(lead spacing ≤7.5 mm)
uncoated (lead spacing ≤10 mm)
insulated (B32559)
<4s
recommended soldering
profile for MKT uncoated
(lead spacing ≤10 mm) and
insulated (B32559)
B32591 ... B32594
General purpose (stacked/wound)
Page 16 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Immersion depth 2.0 +0/0.5 mm from capacitor body or seating plane
Shield Heat-absorbing board, (1.5 ±0.5) mm thick, between capacitor
body and liquid solder
Evaluation criteria:
Visual inspection No visible damage
∆C/C0
2% for MKT/MKP/MFP
5% for EMI suppression capacitors
tan δAs specified in sectional specification
B32591 ... B32594
General purpose (stacked/wound)
Page 17 of 26Please read Cautions and warnings and
Important notes at the end of this document.
1.3 General notes on soldering
Permissible heat exposure loads on film capacitors are primarily characterized by the upper cate-
gory temperature Tmax. Long exposure to temperatures above this type-related temperature limit
can lead to changes in the plastic dielectric and thus change irreversibly a capacitor's electrical
characteristics. For short exposures (as in practical soldering processes) the heat load (and thus
the possible effects on a capacitor) will also depend on other factors like:
Pre-heating temperature and time
Forced cooling immediately after soldering
Terminal characteristics:
diameter, length, thermal resistance, special configurations (e.g. crimping)
Height of capacitor above solder bath
Shadowing by neighboring components
Additional heating due to heat dissipation by neighboring components
Use of solder-resist coatings
The overheating associated with some of these factors can usually be reduced by suitable coun-
termeasures. For example, if a pre-heating step cannot be avoided, an additional or reinforced
cooling process may possibly have to be included.
EPCOS recommends the following conditions:
Pre-heating with a maximum temperature of 110 °C
Temperature inside the capacitor should not exceed the following limits:
MKP/MFP 110 °C
MKT 160 °C
When SMD components are used together with leaded ones, the leaded film capacitors should
not pass into the SMD adhesive curing oven. The leaded components should be assembled af-
ter the SMD curing step.
Leaded film capacitors are not suitable for reflow soldering.
Uncoated capacitors
For uncoated MKT capacitors with lead spacings ≤10 mm (B32560/B32561) the following mea-
sures are recommended:
pre-heating to not more than 110 °C in the preheater phase
rapid cooling after soldering
B32591 ... B32594
General purpose (stacked/wound)
Page 18 of 26Please read Cautions and warnings and
Important notes at the end of this document.
2 Cleaning
To determine whether the following solvents, often used to remove flux residues and other sub-
stances, are suitable for the capacitors described, refer to the table below:
Type Ethanol,
isopropanol,
n-propanol
n-propanol-water
mixtures,
water with surface
tension-reducing
tensides (neutral)
Solvent from
table A (see
next page)
Solvent from
table B (see
next page)
MKT
(uncoated)
Suitable Unsuitable In part suitable Unsuitable
MKT, MKP, MFP
(coated/boxed)
Suitable Suitable
Even when suitable solvents are used, a reversible change of the electrical characteristics may
occur in uncoated capacitors immediately after they are washed. Thus it is always recommended
to dry the components (e.g. 4 h at 70 °C) before they are subjected to subsequent electrical test-
ing.
Table A
Manufacturers' designations for trifluoro-trichloro-ethane-based cleaning solvents (selection)
Trifluoro-trichloro-
ethane
Mixtures of trifluoro-trichloro-ethane with ethanol and
isopropanol
Manufacturer
Freon TF Freon TE 35; Freon TP 35; Freon TES Du Pont
Frigen 113 TR Frigen 113 TR-E; Frigen 113 TR-P; Frigen TR-E 35 Hoechst
Arklone P Arklone A; Arklone L; Arklone K ICI
Kaltron 113 MDR Kaltron 113 MDA; Kaltron 113 MDI; Kaltron 113 MDI 35 Kali-Chemie
Flugene 113 Flugene 113 E; Flugene 113 IPA Rhone-Progil
Table B (worldwide banned substances)
Manufacturers' designations for unsuitable cleaning solvents (selection)
Mixtures of chlorinated hydrocarbons and ketones with fluorated hydrocarbons Manufacturer
Freon TMC; Freon TA; Freon TC Du Pont
Arklone E ICI
Kaltron 113 MDD; Kaltron 113 MDK Kali-Chemie
Flugene 113 CM Rhone-Progil
B32591 ... B32594
General purpose (stacked/wound)
Page 19 of 26Please read Cautions and warnings and
Important notes at the end of this document.
3 Embedding of capacitors in finished assemblies
In many applications, finished circuit assemblies are embedded in plastic resins. In this case,
both chemical and thermal influences of the embedding ("potting") and curing processes must be
taken into account.
Our experience has shown that the following potting materials can be recommended: non-flexible
epoxy resins with acid-anhydride hardeners; chemically inert, non-conducting fillers; maximum
curing temperature of 100 °C.
Caution:
Consult us first if you wish to embed uncoated types!
B32591 ... B32594
General purpose (stacked/wound)
Page 20 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Cautions and warnings
Do not exceed the upper category temperature (UCT).
Do not apply any mechanical stress to the capacitor terminals.
Avoid any compressive, tensile or flexural stress.
Do not move the capacitor after it has been soldered to the PC board.
Do not pick up the PC board by the soldered capacitor.
Do not place the capacitor on a PC board whose PTH hole spacing differs from the specified
lead spacing.
Do not exceed the specified time or temperature limits during soldering.
Avoid external energy inputs, such as fire or electricity.
Avoid overload of the capacitors.
The table below summarizes the safety instructions that must always be observed. A detailed de-
scription can be found in the relevant sections of the chapters "General technical information" and
"Mounting guidelines".
Topic Safety information Reference chapter
"General technical
information"
Storage conditions Make sure that capacitors are stored within the
specified range of time, temperature and humidity
conditions.
4.5
"Storage conditions"
Flammability Avoid external energy, such as fire or electricity
(passive flammability), avoid overload of the
capacitors (active flammability) and consider the
flammability of materials.
5.3
"Flammability"
Resistance to
vibration
Do not exceed the tested ability to withstand
vibration. The capacitors are tested to
IEC 60068-2-6.
EPCOS offers film capacitors specially designed
for operation under more severe vibration regimes
such as those found in automotive applications.
Consult our catalog "Film Capacitors for
Automotive Electronics".
5.2
"Resistance to vibration"
B32591 ... B32594
General purpose (stacked/wound)
Page 21 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Topic Safety information Reference chapter
"Mounting guidelines"
Soldering Do not exceed the specified time or temperature
limits during soldering.
1 "Soldering"
Cleaning Use only suitable solvents for cleaning capacitors. 2 "Cleaning"
Embedding of
capacitors in
finished assemblies
When embedding finished circuit assemblies in
plastic resins, chemical and thermal influences
must be taken into account.
Caution: Consult us first, if you also wish to
embed other uncoated component types!
3 "Embedding of
capacitors in finished
assemblies"
B32591 ... B32594
General purpose (stacked/wound)
Page 22 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Symbols and terms
Symbol English German
αHeat transfer coefficient Wärmeübergangszahl
αCTemperature coefficient of capacitance Temperaturkoeffizient der Kapazität
A Capacitor surface area Kondensatoroberfläche
βCHumidity coefficient of capacitance Feuchtekoeffizient der Kapazität
C Capacitance Kapazität
CRRated capacitance Nennkapazität
∆C Absolute capacitance change Absolute Kapazitätsänderung
∆C/C Relative capacitance change (relative
deviation of actual value)
Relative Kapazitätsänderung (relative
Abweichung vom Ist-Wert)
∆C/CRCapacitance tolerance (relative deviation
from rated capacitance)
Kapazitätstoleranz (relative Abweichung
vom Nennwert)
dt Time differential Differentielle Zeit
∆t Time interval Zeitintervall
∆T Absolute temperature change
(self-heating)
Absolute Temperaturänderung
(Selbsterwärmung)
∆tan δAbsolute change of dissipation factor Absolute Änderung des Verlustfaktors
∆V Absolute voltage change Absolute Spannungsänderung
dV/dt Time differential of voltage function (rate
of voltage rise)
Differentielle Spannungsänderung
(Spannungsflankensteilheit)
∆V/∆t Voltage change per time interval Spannungsänderung pro Zeitintervall
E Activation energy for diffusion Aktivierungsenergie zur Diffusion
ESL Self-inductance Eigeninduktivität
ESR Equivalent series resistance Ersatz-Serienwiderstand
f Frequency Frequenz
f1Frequency limit for reducing permissible
AC voltage due to thermal limits
Grenzfrequenz für thermisch bedingte
Reduzierung der zulässigen
Wechselspannung
f2Frequency limit for reducing permissible
AC voltage due to current limit
Grenzfrequenz für strombedingte
Reduzierung der zulässigen
Wechselspannung
frResonant frequency Resonanzfrequenz
FDThermal acceleration factor for diffusion Therm. Beschleunigungsfaktor zur
Diffusion
FTDerating factor Deratingfaktor
i Current (peak) Stromspitze
ICCategory current (max. continuous
current)
Kategoriestrom (max. Dauerstrom)
B32591 ... B32594
General purpose (stacked/wound)
Page 23 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Symbol English German
IRMS (Sinusoidal) alternating current,
root-mean-square value
(Sinusförmiger) Wechselstrom
izCapacitance drift Inkonstanz der Kapazität
k0Pulse characteristic Impulskennwert
LSSeries inductance Serieninduktivität
λFailure rate Ausfallrate
λ0Constant failure rate during useful
service life
Konstante Ausfallrate in der
Nutzungsphase
λtest Failure rate, determined by tests Experimentell ermittelte Ausfallrate
Pdiss Dissipated power Abgegebene Verlustleistung
Pgen Generated power Erzeugte Verlustleistung
Q Heat energy Wärmeenergie
ρDensity of water vapor in air Dichte von Wasserdampf in Luft
R Universal molar constant for gases Allg. Molarkonstante für Gas
R Ohmic resistance of discharge circuit Ohmscher Widerstand des
Entladekreises
RiInternal resistance Innenwiderstand
Rins Insulation resistance Isolationswiderstand
RPParallel resistance Parallelwiderstand
RSSeries resistance Serienwiderstand
S severity (humidity test) Schärfegrad (Feuchtetest)
t Time Zeit
T Temperature Temperatur
τTime constant Zeitkonstante
tan δDissipation factor Verlustfaktor
tan δDDielectric component of dissipation
factor
Dielektrischer Anteil des Verlustfaktors
tan δPParallel component of dissipation factor Parallelanteil des Verlfustfaktors
tan δSSeries component of dissipation factor Serienanteil des Verlustfaktors
TAAmbient temperature Umgebungstemperatur
Tmax Upper category temperature Obere Kategorietemperatur
Tmin Lower category temperature Untere Kategorietemperatur
tOL Operating life at operating temperature
and voltage
Betriebszeit bei Betriebstemperatur und
-spannung
Top Operating temperature Beriebstemperatur
TRRated temperature Nenntemperatur
Tref Reference temperature Referenztemperatur
tSL Reference service life Referenz-Lebensdauer
VAC AC voltage Wechselspannung
B32591 ... B32594
General purpose (stacked/wound)
Page 24 of 26Please read Cautions and warnings and
Important notes at the end of this document.
Symbol English German
VCCategory voltage Kategoriespannung
VC,RMS Category AC voltage (Sinusförmige)
Kategorie-Wechselspannung
VCD Corona-discharge onset voltage Teilentlade-Einsatzspannung
Vch Charging voltage Ladespannung
VDC DC voltage Gleichspannung
VFB Fly-back capacitor voltage Spannung (Flyback)
ViInput voltage Eingangsspannung
VoOutput voltage Ausgangssspannung
Vop Operating voltage Betriebsspannung
VpPeak pulse voltage Impuls-Spitzenspannung
Vpp Peak-to-peak voltage Impedance Spannungshub
VRRated voltage Nennspannung
RAmplitude of rated AC voltage Amplitude der Nenn-Wechselspannung
VRMS (Sinusoidal) alternating voltage,
root-mean-square value
(Sinusförmige) Wechselspannung
VSC S-correction voltage Spannung bei Anwendung "S-correction"
Vsn Snubber capacitor voltage Spannung bei Anwendung
"Beschaltung"
Z Impedance Scheinwiderstand
Lead spacing Rastermaß
B32591 ... B32594
General purpose (stacked/wound)
Page 25 of 26Please read Cautions and warnings and
Important notes at the end of this document.
The following applies to all products named in this publication:
1. Some parts of this publication contain statements about the suitability of our products for
certain areas of application. These statements are based on our knowledge of typical re-
quirements that are often placed on our products in the areas of application concerned. We
nevertheless expressly point out that such statements cannot be regarded as binding
statements about the suitability of our products for a particular customer application.
As a rule, EPCOS is either unfamiliar with individual customer applications or less familiar
with them than the customers themselves. For these reasons, it is always ultimately incum-
bent on the customer to check and decide whether an EPCOS product with the properties de-
scribed in the product specification is suitable for use in a particular customer application.
2. We also point out that in individual cases, a malfunction of electronic components or
failure before the end of their usual service life cannot be completely ruled out in the
current state of the art, even if they are operated as specified. In customer applications
requiring a very high level of operational safety and especially in customer applications in
which the malfunction or failure of an electronic component could endanger human life or
health (e.g. in accident prevention or lifesaving systems), it must therefore be ensured by
means of suitable design of the customer application or other action taken by the customer
(e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by
third parties in the event of malfunction or failure of an electronic component.
3. The warnings, cautions and product-specific notes must be observed.
4. In order to satisfy certain technical requirements, some of the products described in this
publication may contain substances subject to restrictions in certain jurisdictions (e.g.
because they are classed as hazardous). Useful information on this will be found in our Ma-
terial Data Sheets on the Internet (www.epcos.com/material). Should you have any more de-
tailed questions, please contact our sales offices.
5. We constantly strive to improve our products. Consequently, the products described in this
publication may change from time to time. The same is true of the corresponding product
specifications. Please check therefore to what extent product descriptions and specifications
contained in this publication are still applicable before or when you place an order. We also
reserve the right to discontinue production and delivery of products. Consequently, we
cannot guarantee that all products named in this publication will always be available. The
aforementioned does not apply in the case of individual agreements deviating from the fore-
going for customer-specific products.
6. Unless otherwise agreed in individual contracts, all orders are subject to the current ver-
sion of the "General Terms of Delivery for Products and Services in the Electrical In-
dustry" published by the German Electrical and Electronics Industry Association
(ZVEI).
7. The trade names EPCOS, BAOKE, Alu-X, CeraDiode, CSMP, CSSP, CTVS, DSSP,
MiniBlue, MKK, MLSC, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, SIFERRIT,
SIFI, SIKOREL, SilverCap, SIMDAD, SIMID, SineFormer, SIOV, SIP5D, SIP5K, ThermoFuse,
WindCap are trademarks registered or pending in Europe and in other countries. Further
information will be found on the Internet at www.epcos.com/trademarks.
Important notes
Page 26 of 26
