MMU 0102, MMA 0204, MMB 0207 - Professional
Vishay Beyschlag
Professional MELF Resistors
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.
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.
METRIC SIZE
DIN:
0102
0204
0207
CECC:
RC 2211M
RC 3715M
RC 6123M
TECHNICAL SPECIFICATIONS
DESCRIPTION
MMU 0102
RC 2211M
MMA 0204
RC 3715M
MMB 0207
CECC size
RC 6123M
Resistance range
Resistance tolerance
0.22 Ω to 2.21 MΩ
5 %; 2 %; 1 %; 0.5 %
0.22 Ω to 10 MΩ
5 %; 1 %; 0.5 %
0.1 Ω to 15 MΩ
5 %; 2 %; 1 %; 0.5 %
100 ppm/K; 50 ppm/K;
25 ppm/K
Temperature coefficient
50 ppm/K; 25 ppm/K
Operation mode
standard
55/125/56
0.2 W
power
55/155/56
0.3 W
standard
55/125/56
0.25 W
power
55/155/56
0.4 W
standard
55/125/56
0.4 W
power
55/155/56
1.0 W2)
Climatic category (LCT/UCT/days)
1)
Rated dissipation, P70
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:
1000 h
0.22 Ω to 221 kΩ
0.22 Ω to 332 kΩ
0.22 Ω to 1 MΩ
≤ 0.15 %
≤ 0.25 %
≤ 0.5 %
-
≤ 0.15 %
≤ 0.25 %
≤ 0.5 %
-
≤ 0.15 %
≤ 0.25 %
≤ 0.5 %
-
8000 h
≤ 0.3 %
≤ 1 %
≤ 0.3 %
≤ 1 %
≤ 0.3 %
≤ 1 %
225 000 h
Permissible voltage
against ambient (insulation):
1 minute; Uins
continuous
200 V
75 V
300 V
75 V
500 V
75 V
Failure rate
≤ 2 x 10-9/h
≤ 0.7 x 10-9/h
≤ 0.7 x 10-9/h
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.
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For technical questions contact: ff3bresistors@vishay.com
Document Number: 28713
Revision: 18-Jul-06