Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
Document No
Issued date
Page
TRLM-250S149D
2016/06/15
1/6
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
Item
25
Series
No.
25:2512
(6432)
F
Resistance
tolerance
F:±1%
G:±2%
J:±5%
E
Packaging
C
Power
rating
C=1W
D=1.5W
E=2W
R010
Resistance
E: Embossed Tape
e.g :
R003=3mΩ
R050=50mΩ
3. Construction and Dimension
：
3.1 Construction:
Over-Coat
Ni / Sn
Plating
Metal Alloy Plate
3.2 Dimension:
UNIT: mm
Style
RLM25
L
6.4±0.2
W
3.2±0.2
C
2.0±0.2(R≦3mΩ)
0.9±0.2(R>3mΩ)
t
Material
Metal： Alloy
0.6
±0.20
Over Coating：molding
Compound UL-94 grade
TA-I TECHNOLOGY CO., LTD
Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
Document No
Issued date
Page
TRLM-250S149D
2016/06/15
2/6
4. Features:
Type
Power Rating
Resistance Value
Operation Temperature Range
Temperature Coefficient of Resistance
Tolerance
Insulation Resistance
Maximum Working Voltage(V)
5. Reliability Tests:
RLM
(1W:R=1mΩ~50mΩ)
(1.5W:R≦15 mΩ)
(2W:R≦10mΩ)
1mΩ~50mΩ
-55℃~+170℃
±275ppm/℃
R≦1mΩ
±50ppm/℃
1mΩ<R≦50mΩ
±1%,±2%,±5%
Over 100MΩ
(P*R)
1/2
Test Items
High Temperature
Exposure(Storage)
Low temperature operation
Temperature Cycling
Short time overload
Condition of Test
T=125℃,1000hrs,Measurement at
24hrs after test conclusion.
-55 °C for 45 min
1000Cycle (-55℃ to 125℃),Measurement
at 24hrs after test conclusion.
5 X rated power for 5s
10% Rated voltage at 85
℃,RH:85%
,1000Hrs, Measurement at
24hrs after test conclusion.
1000 h at +70 °C, 1.5 h “ON”, 0.5 h “OFF”
T=260+/-5℃ solder,10+/-1 sec dwell
100g's , Normal duration is 6ms , half sine
shock pluse
5g's for 20min.12cycles, 10-2000Hz
Min 2mm deflection ,60sec.
V-0 or V-1are acceptable, Electrical test not
required
< ±1%
Test Limits
< ±0.5%
< ±0.5%
< ±0.5%
Biased Humidity
Operation life
Resistance to Soldering Heat
Mechanical Shock
Resistance to vibration
Board Flex
Flammability
< ±0.5%
< ±1%
< ±0.5%
< ±0.5%
<±0.5%
< ±0.5%
TA-I TECHNOLOGY CO., LTD
Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
Document No
Issued date
Page
TRLM-250S149D
2016/06/15
3/6
5.1Derating Curve
5.2 Rated Current
The rated voltage is calculated by the following formula:
I=
÷
I:Rated Current(A)
P:Rated Power(W)
R:Resistance Value(Ω)
6. Recommended Solder Pad Dimension
L
b
a
Cu Trace
Sensing Trace
Resistance Range
(Ω)
0.001-0.003
0.004-0.050
a
4.0
4.0
b
3.1
2.1
L
1.3
4.1
Unit: mm
TA-I TECHNOLOGY CO., LTD
Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
Document No
Issued date
Page
TRLM-250S149D
2016/06/15
5/6
10. Reel Specification
Series
RLM 25
ψA
+0
ψB
60
±1.0
-3
ψC
13.0±1.0
W
13.0±1.0
T
15.4±2.0
180
11. Peeling Strength of Top Cover Tape
Test Condition: 0.1 to 0.7 N at a peel-off speed of 300 mm / min.
top cover tape
10 ~15∘
carrier tape
pull
300 mm/min
standard: 0.1 ~ 0.7 N
12. Storage Conditions:
Temperature: 5℃~35℃,Humidity:40%~75%
13. Shelf Life
:
2 years from manufacturing date.
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