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c 2010 ROHM Co., Ltd. All rights reserved. 2010.05 - Rev.F
EMI FILTER
MCF18 (1608 (0603) size, 4A)
Features
1) Small package.
2) Suitable for noise reduction for power supply lines.
3) The entire series is rated at 4A.
4) Low inner resistance, low dissipation internal.
Quick Reference
The design and specifications are subject to change without prior notice. Please check the most recent technical specifications
prior to placing orders or using the product. For more detail information regarding packaging style code, please check product
designation.
MCF18
25
16
CN
M (±20) 4
1000 Min.
500 Min.
0.6
1000
2200
3300
4700
10000
22000
47000
MCF182CN102M04AK
MCF182CN222M04AK
MCF182CN332M04AK
MCF182CN472M04AK
MCF182CN103M04AK
MCF182CN223M04AK
MCF182CN473M04AK 100000
MCF183CN104M04AK 220000
470000
1000000
MCF184CN224M04AK
MCF184CN474M04AK
MCF188CN105M04AK
230 Min.
110 Min.
50 Min.
10
6.3
Under development
Capacitance
(pF)
Rated voltage
(V)
Temperature characteristics
code
Rated current
(A/DC) Insulation
resistance(MΩ)Operating
temperature(
°C
)
Model Name Part No. Thickness
(mm)
Capacitance
tolerance
(%)
Rate of
capacitance
change
±15%
−55 to +125
−55 to +85
Dimensions (Unit : mm)
0.8±0.1
0.5±0.15
0.2±0.15 0.2±0.15
0.6±0.1
0.2±0.1
1.6±0.1
0.8
±
0.1
Part No. Explanation
Code
Voltage
225V
316V
410V
86.3V
Code
Product thickness
K0.6mm
Rated voltage
P
art No.
MCF 1
Packaging Style
382C 32M K
Capacitance tolerance
Code Tolerance
±20%
M
Nominal
capacitance
3-digit designation
according to IEC
N04A
Rated current
04A
Code
4A
Rated current
Reel(φ180mm):Compatible with JEITA standard "EIAJ ET-7200B"
Temperature characteristic code
:Refer to quick reference table.
Paper tape(width 8mm, pitch 4mm)
φ180mm (7inch) 4,000
Packaging specifications Reel
Basic ordering unit(pcs
.)
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c 2010 ROHM Co., Ltd. All rights reserved. 2010.05 - Rev.F
Data Sheet MCF18
Performance and test method
Items Performance
Appearance and
dimensions No marked defects shall be allowed
for appearance.
Test Method
Using a Magnifier.
Measurements shall be made after
60+/−5s period of the rated voltage
Voltage shall be applied as per Table1.
Measurements shall be made under the
conditions specified in Table 2.
No.
1
Withstanding voltage No dielectrical breakdown or other
damage shall be allowed.
Capacitance shall be
within specified tolerance range.
2
Insulation resistance3
Capacitance
4
Table 1
Voltage
250% Rated voltage
Table 2
Voltage shall be applied for 1 to 5s with
50mA charging and discharging current.
Not less than 1000MΩ or
100MΩ μF, whichever is less.
1+/−0.1kHz
1+/−0.1Vrms.
Frequency Voltage
Dielectric loss tangent Measurements shall be made under the
conditions specified in Table 2.
5tan δ 3.0%
<
−
Resistance Within specified tolerance range Measurement current 100mA max
6
L
W
T
between -
terminal resistance
Rated
current
between
-
terminal resistance
20mΩMax.
4A 2000mΩMax.
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Data Sheet MCF18
Resistance
to solderin
heat
The solder specified in
SnAg3.0Cu0.5
shall be used.
The specimens shall be immersed into the
solder at 260+/−5
°C for
5+/−0.5s so that
both end terminations are completely
under the solder.
Pre-heating at 150+/−10
°C for 1 to 2min
Initial measurements prior to test shall be
performed after the thermal
Pre-conditioning specified in Remarks (1).
Final measurements shall be made after th
e
specimens have been left at room
temperature as per Table3.
A 5N weight for
10+/−1s shall be applied
to the soldered specimens as shown by the
arrow mark in the below sketch.
9
End termination
adherence
10
Within +/−7.5%
Appearance
Dielectric
loss
tangent
Within specified initial value.
Insulation
resistance Within specified initial value.
Without peeling or sign of
peeling shall be allowed
on the end terminations.
Change
rate from
initial value
Without mechanical damage.
Table3
48+/−4 h
Time
Applied pressure
Filter
Substrate
Items Performance Test Method
If required measurements shall be made at
a given temperature.
No.
Temperature
characteristic
Without
voltage
application
7
The solder specified in SnAg3.0Cu0.5
shall be used. And the flux containing 25%
rosin and ethanol solution shall be used.
The specimens shall be immersed into the
solder at 235+/−5°C for 2+/−0.5s
So that both end terminations are
completely under solder.
More than 75% of each end
termination shall be covered with
new solder.
Solderability
8
+/−15%
(−55°C to +125°C)
Change
rate from
initial value
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c 2010 ROHM Co., Ltd. All rights reserved. 2010.05 - Rev.F
Data Sheet MCF18
Items Performance
Vibration
Test Method
The specimens shall be soldered on the
specified test jig.
Initial measurements shall be made after
the thermal pre-conditioning specified in
Remarks(1).
Final measurements shall be made after th
e
specimens have been left at room
temperature as per Table3.
[Condition]
Directions : 2h each in X, Y and Z direction
s
Total : 6h
Frequency range : 10 to 55 to 10Hz(1min)
Applitude : 1.5mm
(shall not exceed acceleration196m/s
2
)
The specimens shall be soldered on the tes
t
jig shown in Remarks.
Temperature cycle : 100cycles Initial
measurements prior to test shall be
performed after the thermal
per-conditioning specified in Remarks (1).
Final measurements shall be made after th
e
specimens have been left at room
temperature as per Table3.
No.
12
Temperature
cycling
13
Dielectric
loss
tangent
Within +/−7.5%
Within +/−7.5%
Appearance
Dielectric
loss
tangent
Within specified initial value.
Change
rate from
initial value
Change
rate from
initial value
Without mechanical damage.
Without mechanical damage.
Appearance
Within specified initial value.
Insulation
resistance Within specified initial value.
Table3
48+/−4 h
Time
Table3
48+/−4 h
Time
30+/−3
30+/−3
Step
1
2
3
4
Temp. (°C) Time (min)
Min operating temp.+/−3
Room temp.
Room temp.
Max operating temp.+/−3
3
<
−
3
<
−
Glass epoxy board with soldered
specimens shall be bent till 1mm by
1.0mm/s.
Bending
strength
11
Appearance
Without mechanical damage.
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Data Sheet MCF18
Items Performance
Humidity
(Steady)
No.
14
Humidity
life test
15
Dielectric
loss
tangent
Appearance
Dielectric
tangent
Insulation
resistance
Change
rate from
initial value
Without mechanical damage.
Appearance
Insulation
resistance
Change
rate from
initial value
Without mechanical damage.
48+/−4 h
tan δ
200% initial spec.
<
−
tan δ
200% initial spec.
<
−
Not less than 500MΩ or 5MΩ μF,
whichever is less.
Heat life
test
16
Appearance
Dielectric
loss
tangent
Insulation
resistance
Change
rate from
initial value
Without mechanical damage.
<
−
tan δ
200%
initial spec.
Not less than 1000MΩ or 5MΩ μF,
whichever is less.
Test Method
Test temperature : 60+/−2°C
Relative humidity : 90 to 95%
Test time : 500 +24/−0 h
Initial measurements prior to test shall
be made after the voltage
pre-conditioning specified in
Remarks (2).
Final measurements have been left at
room temperature as per Table3.
Table3
Time
Test temperature : 60+/−2°C
Relative humidity : 90 to 95%
Voltage
: Rated voltage
Test time : 500 +24/−0 h
Initial measurements prior to test shall
be made after the voltage
pre-conditioning specified in
Remarks (2).
Final measurements shall be made afte
r
the specimens have been left at room
temperature as per Table3.
Table3
48+/−4 h
Time
Test temperature : 125+/−2°C
Voltage : Reated voltage x 200%
Test time : 1000 +48/−0 h
Initial measurements prior to test shall b
e
made after the voltage pre-conditioning
specified in Remarks (2).
Final measurements shall be made afte
r
the specimens have been left at room
temperature as per Table3.
Table3
48+/−4 h
Time
Not less than 500MΩ or 5MΩ μF,
whichever is less.
Within+/-12.5%
(capaciance 47,000pF)
Within+/-25%
(capaciance1,000,000 to 1,000,000pF)
Within+/-15%
(capaciance 47,000pF)
Within+/-25%
(capaciance100,000 to 1,000,000pF)
Within+/-12.5%
(capaciance 47,000pF)
Within+/-25%
(capaciance100,000 to 1,000,000pF)
<
−
<
−
<
−
[Remarks]
Pre-conditioning
If specified in test method of as per 3(Performance and test method), capacitors of CN,
characteristics shall be pre-conditionded as follows.
(1) Thermal pre-conditioning
Prior to initial measurements, specimens shall be conditioned at a temperature of 150 0/−10°C
for a period of 1hr., and shall be allowed to stabilize at room temperature for 48+/−4h
(2) Voltage pre-conditioning
Prior to initial measurements, voltage specified as a test condition shall be applied to specimens
for a period of 1hr., and the specimens shall be allowed to stabilize at room temperature for 48+/−4
h
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Data Sheet MCF18
Packaging specifications
Taping dimensions Reel dimensions
Symbol
Dimensions
1.0
+/ −0.05 1.8
+/ −0.05
+/ −0.3
8.0 +/ −0.05
3.5 +/ −0.1
1.75 +/ −0.1
4.0 +/ −0.1
4.0 +0.1/ −0
φ1.5
+/ −0.05
2.0
Symbol
Style
Label pasting
As per EIAJ ET−7200A
Pulling direction
Pulling direction
CDEFGHJ
tt1
0.9
MAX. 1.2
MAX.
MCF18
AB
(Unit : mm)
(Unit : mm)
A
B
φ
J
FGH
E
DC
t
1
t
φ60 +1.0
−0
+0
−1.5
φ180
+1.0
−0
9.0
φ13 0.2
+
−
(Unit : mm)
ABCD
A
B
C
D
Electrical characteristics
CN (X7R) Characteristics
Fig.1 Capacitance - temperature
characteristics
30
20
10
0
−10
−20
−30
5
10
RATE OF CAPACITANCE CHANGE : (%)
Dissipation factor (%)
−80 −40 0 40 80 120 160
TEMPERATURE : (°C)
capacitance
temperature characteristics
Fig.2 Attenuation characteristics
Attenuation(dB)
0
-5
-10
-15
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
FREQUENCY(MHz)
1 10 100 100
0
104
332 222
102
473
223
103
472
224
105
474
R1010
A
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which can be obtained from ROHM upon request.
Examples of application circuits, circuit constants and any other information contained herein
illustrate the standard usage and operations of the Products. The peripheral conditions must
be taken into account when designing circuits for mass production.
Great care was taken in ensuring the accuracy of the information specied in this document.
However, should you incur any damage arising from any inaccuracy or misprint of such
information, ROHM shall bear no responsibility for such damage.
The technical information specied herein is intended only to show the typical functions of and
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