Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
Document No
TRLM-120S032D
Issued date
2017/12/27
page
1/6
TA-I TECHNOLOGY CO., LTD
1. Scope：
This specification applied to the products of current sensing resistor of metal foil for Lead-Free RLM series
manufactured by TA-I TECHNOLOGY CO., LTD.
2. Type Designation：
RLM 12 F T C M R001
Item Series Resistance Packaging Power Rating Metal Resistance
No tolerance
12:1206 F:±1% T: Paper Tape A=1/4W e.g:
(3216) G:±2% S=1/2W R001=1mΩ
J:±5% C=1W R030=30mΩ
D = 1.5W
3. Construction and Dimension ：
3.1 Construction:
3.2 Dimension:
UNIT: mm
Style
L
W
C
t
Material
RLM12
3.2±0.20
1.6±0.20
1.1 ± 0.30
(R=1mΩ)
0.75 ± 0.20
(R=1mΩ)
Metal ： Alloy
Over Coating : molding
Compound UL-94 grade
0.5 ± 0.30
(2mΩ≦R≦30mΩ)
0.6 ± 0.20
(2mΩ≦R≦30mΩ)
Metal Alloy Plate
Over-Coat
Ni / Sn
Plating
M= Metal
Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
Document No
TRLM-120S032D
Issued date
2017/12/27
page
2/6
TA-I TECHNOLOGY CO., LTD
4. Features:
Type
RLM12
Power Rating
1/4W & 1/2W & 1W & 1.5W
Resistance Value
1~30mΩ (1/4W ~ 1W)
1~5 mΩ (1/4W ~ 1.5W)
Operation Temperature Range
-55℃~+170℃
Temperature Coefficient of Resistance
±50ppm/℃
Tolerance
±1%、±2%、±5%
Insulation Resistance
Over 100MΩ
Maximum Working Voltage(V)
(P*R)
1/2
Note*:1 Watts with total solder pad and trace size of 300mm
2
5. Reliability Tests:
Test Items
Reference
Condition of Test
Test
Limits
Temperature Coefficient
of Resistance
IEC60115-1 4.8
+25 ~ 125℃
Refer 4.0
High Temperature
Exposure(Storage)
MIL-STD-
202 Method
108
T=125℃,1000hrs,Measurement
at 24hrs after test conclusion.
< ±1%
Low temperature
operation
IEC60115-1 4.23.4
-55 °C for 45 min
< ±0.5%
Temperature Cycling
JESD22
Method
JA-104
1000Cycle (-55℃ to 125
℃),Measurement at 24hrs after test
conclusion.
< ±0.5%
Short time overload
IEC60115-1 4.13
5 X rated power for 5s
< ±0.5%
Biased Humidity
MIL-STD-
202 Method
103
10% Rated voltage at 85
℃,RH:85% ,1000Hrs, Measurement
at 24hrs after test conclusion.
< ±0.5%
Operation life
MIL-STD-
202
Method 108
1000 h at +70 °C, 1.5 h “ON”, 0.5 h
“OFF”
< ±1%
Resistance to Soldering Heat
IEC60115-1 4.18
T=260+/-5℃ solder,10+/-1 sec dwell
< ±0.5%
Mechanical Shock
MIL-STD-
202
Method 213
100g's , Normal duration is 6ms , half
sine shock pulse
< ±0.5%
Resistance to vibration
MIL-STD-
202
Method 204
5g's for 20min.12cycles, 10-2000Hz
<±0.5%
Board Flex
AEC-Q200-
005
Min 2mm deflection ,60sec.
< ±0.5%
Flammability
UL-94
V-0 or V-1are acceptable, Electrical
test not required