Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
1. Scope：
Document No
Issued date
page
TRLM-120S032D
2017/12/27
1/6
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
Item
12
Series
No
12:1206
(3216)
F
Resistance
tolerance
F:±1%
G:±2%
J:±5%
T
Packaging
C
Power Rating
M
Metal
R001
Resistance
T: Paper Tape
A=1/4W
S=1/2W
C=1W
D = 1.5W
M= Metal
e.g:
R001=1mΩ
R030=30mΩ
3. Construction and Dimension
：
3.1 Construction:
Over-Coat
Ni / Sn
Plating
Metal Alloy Plate
3.2 Dimension:
UNIT: mm
Style
L
W
C
1.1 ± 0.30
(R=1mΩ)
t
0.75 ± 0.20
(R=1mΩ)
0.6 ± 0.20
(2mΩ≦R≦30mΩ)
Material
Metal
：
Alloy
Over Coating : molding
Compound UL-94 grade
RLM12
3.2±0.20 1.6±0.20
0.5 ± 0.30
(2mΩ≦R≦30mΩ)
TA-I TECHNOLOGY CO., LTD
Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
4. Features:
Type
Power Rating
Resistance Value
Operation Temperature Range
Temperature Coefficient of Resistance
Tolerance
Insulation Resistance
Maximum Working Voltage(V)
Note*:1 Watts with total solder pad and trace size of 300mm
2
Document No
Issued date
page
TRLM-120S032D
2017/12/27
2/6
RLM12
1/4W & 1/2W & 1W & 1.5W
1~30mΩ (1/4W ~ 1W)
1~5 mΩ (1/4W ~ 1.5W)
-55℃~+170℃
±50ppm/℃
±1%、±2%、±5%
Over 100MΩ
(P*R)
1/2
5. Reliability Tests:
Test
Limits
Refer 4.0
< ±1%
< ±0.5%
< ±0.5%
Test Items
Temperature Coefficient
of Resistance
High Temperature
Exposure(Storage)
Low temperature
operation
Temperature Cycling
Reference
IEC60115-1 4.8
MIL-STD-
202 Method
108
IEC60115-1 4.23.4
Condition of Test
+25 ~ 125℃
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
JESD22
Method
JA-104
IEC60115-1 4.13
Short time overload
< ±0.5%
Biased Humidity
Operation life
Resistance to Soldering Heat
Mechanical Shock
MIL-STD-
202 Method
103
MIL-STD-
202
Method 108
IEC60115-1 4.18
10% Rated voltage at 85
℃,RH:85%
,1000Hrs, Measurement < ±0.5%
at 24hrs after test conclusion.
1000 h at +70 °C, 1.5 h “ON”, 0.5 h
“OFF”
< ±1%
T=260+/-5℃ solder,10+/-1 sec dwell < ±0.5%
100g's , Normal duration is 6ms , half
< ±0.5%
sine shock pulse
5g's for 20min.12cycles, 10-2000Hz
Min 2mm deflection ,60sec.
V-0 or V-1are acceptable, Electrical
test not required
<±0.5%
< ±0.5%
Resistance to vibration
Board Flex
Flammability
MIL-STD-
202
Method 213
MIL-STD-
202
Method 204
AEC-Q200-
005
UL-94
TA-I TECHNOLOGY CO., LTD
Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
5.1Derating Curve
Document No
Issued date
page
TRLM-120S032D
2017/12/27
3/6
Power Ratio (%)
100
-55
70
Ambient Temperature (℃)
170
5.2 Rated Current
The rated current is calculated by the following formula:
I: Rated Current (A)
I
½
P
R
6. Recommended Solder Pad Dimension
L
P: Rated Power (W)
R: Resistance Value (Ω)
b
a
Cu Trace
Sensing Trace
Resistance Range
(Ω)
0.001
0.002~0.030
a
1.8
1.8
b
2.3
1.7
L
1.0
1.6
Unit: mm
TA-I TECHNOLOGY CO., LTD
Current Sensing Resistors
RLM Series
( Halogen-Free )
AEC-Q 200-Ver D qualified
10. Reel Specification
Document No
Issued date
page
TRLM-120S032D
2017/12/27
5/6
Series
RLM12
ψA
178±2.0
ψB
60.0±1.0
ψC
13.0±1.0
W
9.0±1.0
T
11.5±1.0
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.
TA-I TECHNOLOGY CO., LTD
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