Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
Document No
TRLM-250S149E
Issued date
2019/03/14
Page
1/6
TA-I TECHNOLOGY CO., LTD
1. Scope：
This specification applied to the products of Lead-Free current sensing resistor of metal foil for Lead-Free
RLM series manufactured by TA-I TECHNOLOGY CO.,LTD.
2. Type Designation：
RLM A 25 F E C R010
Item Series Resistance Packaging Power Resistance
No. tolerance rating
25:2512 F:±1% E: Embossed Tape C=1W e.g :
AECQ (6432) G:±2% D=1.5W R003=3mΩ
J:±5% E=2W R050=50mΩ
3. Construction and Dimension ：
3.1 Construction:
3.2 Dimension:
UNIT: mm
Style
L
W
C
t
RLM25
6.4±0.2
3.2±0.2
2.0±0.2(R≦3mΩ)
0.6 ±0.20
0.9±0.2(R>3mΩ)
Metal Alloy Plate
Over-Coat
Ni / Sn
Plating
Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
Document No
TRLM-250S149E
Issued date
2019/03/14
Page
2/6
TA-I TECHNOLOGY CO., LTD
4. Features:
Type
RLM
Power Rating
(1W:R=1mΩ~50mΩ)
(1.5W:R≦15 mΩ)
(2W:R≦10mΩ)
Resistance Value
1mΩ~50mΩ
Operation Temperature Range
-55℃~+170℃
Temperature Coefficient of Resistance
±275ppm/℃
R≦1mΩ
±50ppm/℃
1mΩ<R≦50mΩ
Tolerance
±1%,±2%,±5%
Insulation Resistance
Over 100MΩ
Maximum Working Voltage(V)
(P*R)
1/2
5. Reliability Tests:
Test Items
Condition of Test
Test Limits
Temperature Coefficient of
Resistance
+25 ~ 125℃
Refer 4.0
High Temperature
Exposure(Storage)
T=125℃,1000hrs,Measurement at
24hrs after test conclusion.
< ±1%
Low temperature operation
-55 °C for 45 min
< ±0.5%
Temperature Cycling
1000Cycle (-55℃ to 125℃),Measurement
at 24hrs after test conclusion.
< ±0.5%
Short time overload
5 X rated power for 5s
< ±0.5%
Biased Humidity
10% Rated voltage at 85
℃,RH:85% ,1000Hrs, Measurement at
24hrs after test conclusion.
< ±0.5%
Operation life
1000 h at +70 °C, 1.5 h “ON”, 0.5 h “OFF”
< ±1%
Resistance to Soldering Heat
T=260+/-5℃ solder,10+/-1 sec dwell
< ±0.5%
Mechanical Shock
100g's , Normal duration is 6ms , half sine
shock pluse
< ±0.5%
Resistance to vibration
5g's for 20min.12cycles, 10-2000Hz
<±0.5%
Board Flex
Min 2mm deflection ,60sec.
< ±0.5%
Flammability
V-0 or V-1are acceptable, Electrical test not
required