Professional MELF Resistors
www.vishay.com For technical questions contact: ff3bresistors@vishay.com Document Number: 28713
12 Revision: 18-Jul-06
MMU 0102, MMA 0204, MMB 0207 - Professional
Vishay Beyschlag
FEATURES
•Approved according to EN 140401-803
•Advanced thin film technology
•Excellent overall stability: exceeds Class 0.25
•Force fitted steel caps, tin plated on nickel barrier
•Pure Sn termination on Ni barrier layer
•Compatible with lead (Pb)-free and lead containing
soldering processes
•Lead (Pb)-free and RoHS compliant
APPLICATIONS
•Automotive
•Telecommunication
•Industrial
•Medical equipment.
METRIC SIZE
DIN: 0102 0204 0207
CECC: RC 2211M RC 3715M RC 6123M
MMU 0102, MMA 0204 and MMB 0207 professional thin film
MELF resistors are the perfect choice for most fields of
modern professional electronics where reliability and stability
is of major concern. The typical applications in the fields of
automotive, telecommunication and medical equipment
reflect the outstanding level of proven reliability.
Note: These resistors do not feature a limited lifetime when operated within the permissible limits. However, resistance value drift increasing over
operating time may result in exceeding a limit acceptable to the specific application, thereby establishing a functional lifetime.
1) The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heatflow support of the
printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature is not exceeded. Furthermore, a
high level of ambient temperature or of power dissipation may raise the temperature of the solder joint, hence special solder alloys or board
materials may be required to maintain the reliability of the assembly.
2) Specified power rating requires dedicated heat-sink pads.
3) Film temperatures above the specified range may be permissible, e.g. 175 °C. Please contact the factory for details.
TECHNICAL SPECIFICATIONS
DESCRIPTION MMU 0102 MMA 0204 MMB 0207
CECC size RC 2211M RC 3715M RC 6123M
Resistance range 0.22 Ω to 2.21 MΩ0.22 Ω to 10 MΩ0.1 Ωto 15 MΩ
Resistance tolerance ± 5 %; ± 2 %; ± 1 %; ± 0.5 % ± 5 %; ± 1 %; ± 0.5 % ± 5 %; ± 2 %; ± 1 %; ± 0.5 %
Temperature coefficient ± 50 ppm/K; ± 25 ppm/K ± 100 ppm/K; ± 50 ppm/K;
± 25 ppm/K
Operation mode standard power standard power standard power
Climatic category (LCT/UCT/days) 55/125/56 55/155/56 55/125/56 55/155/56 55/125/56 55/155/56
Rated dissipation, P701) 0.2 W 0.3 W 0.25 W 0.4 W 0.4 W 1.0 W2)
Operating voltage, Umax AC/DC 150 V 200 V 300 V
Film temperature3) 125 °C 155 °C 125 °C 155 °C 125 °C 155 °C
Max. resistance change at P70
for resistance range,
|ΔR/R| max., after:
0.22 Ωto 221 kΩ0.22 Ωto 332 kΩ0.22 Ωto 1 MΩ
1000 h ≤ 0.15 % ≤ 0.25 % ≤ 0.15 % ≤ 0.25 % ≤ 0.15 % ≤ 0.25 %
8000 h ≤ 0.3 % ≤ 0.5 % ≤ 0.3 % ≤ 0.5 % ≤ 0.3 % ≤ 0.5 %
225 000 h ≤ 1 % - ≤ 1 % - ≤ 1 % -
Permissible voltage
against ambient (insulation):
1 minute; Uins 200 V 300 V 500 V
continuous 75 V 75 V 75 V
Failure rate ≤ 2 x 10-9/h ≤ 0.7 x 10-9/h ≤ 0.7 x 10-9/h
Document Number: 28713 For technical questions contact: ff3bresistors@vishay.com www.vishay.com
Revision: 18-Jul-06 13
MMU 0102, MMA 0204, MMB 0207 - Professional
Professional MELF Resistors Vishay Beyschlag
12NC INFORMATION
• The resistors have a 12-digit numeric code starting with
2312.
• The subsequent 4 digits indicate the resistor type,
specification and packaging; see the 12NC table.
• The remaining 4 digits indicate the resistance value:
- The first 3 digits indicate the resistance value.
- The last digit indicates the resistance decade in
accordance with the 12NC Indicating Resistance Decade
table.
Last Digit of 12NC Indicating Resistance Decade
12NC Example
The 12NC of a MMU 0102 resistor, value 47 kΩ and TC 50
with ± 1 % tolerance, supplied in blister tape of 3000 units per
reel is: 2312 165 14703.
Resistance ranges printed in bold are preferred TCR/tolerance combinations with optimized availability.
RESISTANCE DECADE LAST DIGIT
0.1 Ωto 0.999 Ω7
1 Ωto 9.99 Ω8
10 Ωto 99.9 Ω9
100 Ωto 999 Ω1
1 kΩ to 9.99 kΩ2
10 kΩto 99.9 kΩ3
100 kΩ to 999 kΩ4
1 MΩ to 9.99 MΩ5
10 MΩ to 99.9 MΩ6
12NC - resistor type and packaging
DESCRIPTION ORDERING CODE 2312... .....
BLISTER TAPE ON REEL BULK CASE
TYPE TCR TOL. BL
3000 UNITS
B0
10 000 UNITS
M8
8000 UNITS
MMU 0102
± 50 ppm/K
± 5 % 165 3.... 175 3.... 060 3....
± 2 % 165 2.... 175 2.... 060 2....
± 1 % 165 1.... 175 1.... 060 1....
± 0.5 % 165 5.... 175 5.... 060 5....
± 25 ppm/K ± 1 % 166 1.... 176 1.... 061 1....
± 0.5 % 166 5.... 176 5.... 061 5....
jumper 165 90001 175 90001 060 90001
TYPE TCR TOL. BL
3000 UNITS
B0
10 000 UNITS
M3
3000 UNITS
MMA 0204
± 50 ppm/K
± 5 % 155 3.... 145 3.... 040 3....
± 1 % 155 1.... 145 1.... 040 1....
± 0.5 % 155 5.... 145 5.... 040 5....
± 25 ppm/K ± 1 % 156 1.... 146 1.... 041 1....
± 0.5 % 156 5.... 146 5.... 041 5....
jumper 155 90001 145 90001 040 90001
TYPE TCR TOL. B2
2000 UNITS
B7
7000 UNITS
MMB 0207
± 100 ppm/K ± 5 % 195 3.... 185 3....
± 50 ppm/K
± 5 % 195 3.... 185 3....
± 2 % 195 2.... 185 2....
± 1 % 195 1.... 185 1....
± 25 ppm/K ± 0.5 % 196 5.... 186 5....
jumper 195 90001 185 90001
www.vishay.com For technical questions contact: ff3bresistors@vishay.com Document Number: 28713
14 Revision: 18-Jul-06
MMU 0102, MMA 0204, MMB 0207 - Professional
Vishay Beyschlag Professional MELF Resistors
Notes
1. Products can be ordered using either the PRODUCT DESCRIPTION or the 12NC.
2. The PART NUMBER is shown to facilitate the introduction of the unified part numbering system. Currently, this PART NUMBER is applicable
in the Americas and in Asia/Pacific only.
3. Please refer to table PACKAGING, see below.
4. A temperature coefficient 100 ppm/K is marked - 00.
PART NUMBER AND PRODUCT DESCRIPTION1)
PART NUMBER2): MMB02070D5620DB200
PART NUMBER2): MMB02070Z0000ZB200
MMB02070D5620DB200
MMB02070Z0000ZB200
MODEL/SIZE SPECIAL CHARACTER TC VALUE TOLERANCE
PACKAGING
3
SPECIAL
MMU0102
MMA0204
MMB0207
0
= neutral, acc. CECC E0
D = ± 25 ppm/K
C = ± 50 ppm/K
B = ± 100 ppm/K
Z = Jumper
3 digit value
1 digit multiplier
Multiplier
7 = *10-3
8 = *10-2
9 = *10-1
0 = *100
1 = *101
2 = *102
3 = *103
4 = *104
5 = *105
D = ± 0.5 %
F = ± 1 %
G = ± 2 %
J = ± 5 %
Z = Jumper
B3
B0
B2
B7
M3
M8
up to 2 digits
00 = standard
PRODUCT DESCRIPTION: MMB 0207 - 25 0.5 % B2 562R
PRODUCT DESCRIPTION: MMB 0207 B2 0R0
MMB 0207 - 25 0.5 % B2 562R
MMB 0207 - - B2 0R0
MODEL SIZE TC TOLERANCE PACKAGING3) RESISTANCE VALUE
MMU
MMA
MMB
0102
0204
0207
± 25 ppm/K
± 50 ppm/K
± 100 ppm/K4)
± 0.5 %
± 1 %
± 2 %
± 5 %
BL
B0
B2
B7
M3
M8
562R = 562 Ω
4M64 = 4.64 MΩ
0R0 = Jumper
PACKAGING
MODEL
BLISTER TAPE ON REEL
ACC. IEC 60286-3
BULK CASE
ACC. IEC 60286-6
DIAMETER PIECES/REEL CODE PIECES/BULK CASE CODE
MMU 0102 180 mm/7" 3000 B3 = BL 8000 M8
330 mm/13" 10 000 B0
MMA 0204 180 mm/7" 3000 B3 = BL 3000 M3
330 mm/13" 10 000 B0
MMB 0207 180 mm/7" 2000 B2 --
330 mm/13" 7000 B7
Document Number: 28713 For technical questions contact: ff3bresistors@vishay.com www.vishay.com
Revision: 18-Jul-06 15
MMU 0102, MMA 0204, MMB 0207 - Professional
Professional MELF Resistors Vishay Beyschlag
DIMENSIONS
1) Color code marking is applied according to IEC 60062* in four bands (E24 series) or five bands (E96 or E192 series). Each colour band appears
as a single solid line, voids are permissible if at least 2/3 of the band is visible from each radial angle of view. The last colour band for tolerance
is approximately 50 % wider than the other bands. An interrupted yellow band between the 4th and 5th full band indicates the temperature
coefficient of 25 ppm/K.
Resistance ranges printed in bold are preferred TCR/tolerance combinations with optimized availability.
1) Resistance values to be selected for ± 5 % and ± 2 % tolerance from E24, for ± 1 % tolerance from E24 and E96 and for ± 0.5 % tolerance
from E24 and E192.
DIMENSIONS - MELF resistor types, mass and relevant physical dimensions
TYPE L
(mm)
D
(mm)
L1 min
(mm)
D1
(mm)
K
(mm)
MASS
(mg)
MMU 0102 2.2 + 0/- 0.1 1.1 + 0/- 0.1 1.2 D + 0/- 0.1 0.4 ± 0.05 7
MMA 0204 3.6 + 0/- 0.2 1.4 + 0/- 0.1 1.8 D + 0/- 0.15 0.8 ± 0.1 19
MMB 0207 5.8 + 0/- 0.2 2.2 + 0/- 0.2 2.8 D + 0/- 0.2 1.25 ± 0.15 79
TEMPERATURE COEFFICIENT AND RESISTANCE RANGE
DESCRIPTION RESISTANCE VALUE1)
TCR TOLERANCE MMU 0102 MMA 0204 MMB 0207
± 100 ppm/K ± 5 % - - 0.1 Ω to 0.2 Ω
± 50 ppm/K
± 5 % 0.22 Ω to 0.91 Ω0.22 Ω to 0.91 Ω0.22 Ω to 0.91 Ω
± 2 % 1 Ω to 9.1 Ω-0.2 Ω to 0.91 Ω
± 1 % 10 Ω to 2.21 MΩ1 Ω to 10 MΩ1 Ω to 15 MΩ
± 0.5 % 10 Ω to 221 kΩ10 Ω to 2.21 MΩ-
± 25 ppm/K
± 1 % 10 Ω to 221 kΩ10 Ω to 511 kΩ-
± 0.5 % 10 Ω to 221 kΩ10 Ω to 511 kΩ10 Ω to 1 MΩ
Jumper ≤ 10 mΩ; Imax = 2 A ≤ 10 mΩ, Imax = 3 A ≤ 10 mΩ; Imax = 5 A
L
D
L1
K
D1
Color code marking
1)
www.vishay.com For technical questions contact: ff3bresistors@vishay.com Document Number: 28713
16 Revision: 18-Jul-06
MMU 0102, MMA 0204, MMB 0207 - Professional
Vishay Beyschlag Professional MELF Resistors
DESCRIPTION
Production is strictly controlled and follows an extensive
set of instructions established for reproducibility. A
homogeneous film of metal alloy is deposited on a high grade
ceramic body (85 % Al2O3, for MICRO-MELF: 96 % Al2O3)
and conditioned to achieve the desired temperature
coefficient. Nickel plated steel termination caps are firmly
pressed on the metallised rods. A special laser is used to
achieve the target value by smoothly cutting a helical groove
in the resistive layer without damaging the ceramics. The
resistor elements are covered by a protective coating
designed for electrical, mechanical and climatic protection.
The terminations receive a final pure tin on nickel plating.
Four or five colour code rings designate the resistance value
and tolerance in accordance with IEC 60062*.
The result of the determined production is verified by an
extensive testing procedure performed on 100 % of the
individual resistors. Only accepted products are laid directly
into the blister tape in accordance with IEC 60286-3* or bulk
case in accordance with IEC 60286-6*.
ASSEMBLY
The resistors are suitable for processing on automatic
SMD assembly systems. They are suitable for automatic
soldering using wave, reflow or vapour phase as shown in
IEC 61760-1*. Excellent solderability is proven, even after
extended storage in excess of 10 years. The encapsulation
is resistant to all cleaning solvents commonly used in the
electronics industry, including alcohols, esters and aqueous
solutions.The resistors are completely lead (Pb)-free, the
pure tin plating provides compatibility with lead (Pb)-free
soldering processes. The immunity of the plating against tin
whisker growth has been proven under extensive testing.
All products comply with the GADSL1) and the CEFIC-
EECA-EICTA2) list of legal restrictions on hazardous
substances. This includes full compliance with the following
directives:
•
2000/53/ECEnd of Vehicle life Directive (ELV) and Annex II
(ELV II)
•2002/95/EC Restriction of the use of Hazardous
Substances Directive (RoHS)
•2002/96/EC Waste Electrical and Electronic Equipment
Directive (WEEE)
1) Global Automotive Declarable Substance List, see www.gadsl.org
2) CEFIC (European Chemical Industry Council), EECA (European
Electronic Component Manufacturers Association), EICTA
(European trade organisation representing the information and
communications technology and consumer electronics), see
www.eicta.org -> issues -> environment policy -> chemicals ->
chemicals for electronics
APPROVALS
The resistors are tested in accordance with EN 140401-803
(superseding CECC 40401-803) which refers to
EN 60115-1, EN 140400 and the variety of enviromental test
procedures of the IEC 60068* series. Approval of conformity
is indicated by the CECC logo on the package label.
Vishay BEYSCHLAG has achieved "Approval of
Manufacturer" in accordance with IEC QC 001002-3,
clause 2. The release certificate for "Technology Approval
Schedule" in accordance with CECC 240001 based on
IEC QC 001002-3, clause 6 is granted for the Vishay
BEYSCHLAG manufacturing process.
SPECIALS
This product family of thin film MELF resistors is completed
by Zero Ohm Jumpers.
On request, resistors are available with established reliability
in accordance with EN 140401-803 Version E. Please refer
to the special data sheet for information on failure rate level,
available resistance ranges and ordering codes.
Note:
* The quoted IEC standards are also released as EN standards with
the same number and identical contents.
Document Number: 28713 For technical questions contact: ff3bresistors@vishay.com www.vishay.com
Revision: 18-Jul-06 17
MMU 0102, MMA 0204, MMB 0207 - Professional
Professional MELF Resistors Vishay Beyschlag
FUNCTIONAL PERFORMANCE
C
100 150
0
- 50 0 50
0.5
1
W
70
Power Dissipation
P
ϑ
Ambient Temperature
amb
MMB 0207
MMU 0102
MMA 0204
Derating - Standard Operation
Temperature
amb
ϑ
C100 150
0
- 50 0 50
0.5
1
W
70
Power Dissipation
P
MMB 0207
MMU 0102
MMA 0204
1)
Ambient
Derating - Power Operation
1)
Specified power rating requires dedicated heat sink pads
100 µs 1 ms 10 ms
1
1 s 10 s
0.1
W
10 µs 100 ms
100
10
Pulse Load
P
max
MMB 0207
MMU 0102
MMA 0204
t
i
Pulse Duration
Single Pulse
Maximum pulse load, single pulse; applicable if P 0 and n ≤ 1000 and U ≤ Umax;
for permissible resistance change equivalent to 8000 h operation
www.vishay.com For technical questions contact: ff3bresistors@vishay.com Document Number: 28713
18 Revision: 18-Jul-06
MMU 0102, MMA 0204, MMB 0207 - Professional
Vishay Beyschlag Professional MELF Resistors
100 µs 1 ms 10 ms
1
1 s 10 s
0.1
W
10 µs 100 ms
10
100
t
i
Continuous Pulse Load
P
max
MMB 0207
MMU 0102
MMA 0204
Pulse Duration
Continuous Pulse
Maximum pulse load, continuous pulses; applicable if P ≤ P (
ϑ
amb) and U ≤ Umax;
for permissible resistance change equivalent to 8000 h operation
MMB 0207
MMU 0102
MMA 0204
100 µs 1 ms 10 ms 1 s 10 s
10 µs 100 ms
t
i
100 V
1 kV
Pulse Voltage
U
max
Pulse Duration
Pulse Voltage
Maximum pulse voltage, single and continuous pulses; applicable if P ≤ P
max
;
for permissible resistance change equivalent to 8000 h operation
100 V
1 kV
10 V
10 kV
alue
R
Pulse Voltage U
100 Ω1 kΩ10 kΩ100 kΩ1 MΩ
10 Ω10 MΩ
MMB 0207
MMU 0102
MMA 0204
Resistance V
1.2/50 Pulse
Pulse load rating in accordance with IEC 60 115-1, 4.27; 1.2 µs/50 µs;
5 pulses at 12 s intervals; for permissible resistance change 0.5 %
