Document No
TRLM-120S030A
2012/12/13
1/6
Current Sensing Resistors
RLM Series
( Halogen-Free )
Issued date
page
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
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
M=MnCu
e.g:
R001=1mΩ
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
Strip： Alloy
Over Coating : molding
Compound UL-94 grade
RLM12
3.2±0.20 1.6±0.20
0.5 ± 0.30
(2mΩ≦R≦30mΩ)
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Document No
TRLM-120S030A
2012/12/13
2/6
Current Sensing Resistors
RLM Series
( Halogen-Free )
Issued date
page
4. Features:
Type
Power Rating
Resistance Value
Operation Temperature Range
Temperature Coefficient of Resistance
Tolerance
Insulation Resistance
Maximum Working Voltage(V)
RLM12
1/4W & 1/2W & 1W
1~30mΩ
-55℃~+170℃
±200ppm/℃
R=1mΩ
±100ppm/℃
2mΩ≦R≦10mΩ
±75ppm/℃
R>10mΩ
±1%、±2%、±5%
Over 100MΩ
(P*R)
1/2
2
Note*:1 Watts with total solder pad and trace size of 300mm
5. Reliability Tests:
Test Items
Temperature Coefficient of
Resistance
Load Life
Short Time Overload
Moisture no Load
Temperature cycle
Resistance to Soldering Heat
Solderability
High Temperature Exposure
Low Temperature Storage
Substrate Bending
Insulation Resistance
Reference
standard
IEC60115-1 4.8
JIS C 5201-1 4.8
IEC60115-1 4.25.1
JIS C 5201-1 4.25.1
IEC60115-1 4.13
JIS C 5201-1 4.13
Condition of Test
+25℃
~ +125℃
Test Limits
Refer 4.0
1000hours at rated
power, 70℃, 1.5hours < ±1%
“ON”, 0.5hour “OFF”
5 X rated power for 5s < ±1%
IEC60115-1 4.24.2.1a)
85℃, 85%RH, 1000hrs < ±0.5%
JIS C 5201-1 4.24.2.1a)
-55℃ & +155℃,
IEC60115-1 4.19
< ±0.5%
300cycle, 15min per
JIS C 5201-1 4.19
extreme condition
IEC60115-1 4.18
260±5℃ for20±1 sec < ±0.5%
JIS C 5201-1 4.18
At least 95% of surface area
IEC60115-1 4.17
245±5℃, 2±0.5sec
of electrode shall be
JIS C 5201-1 4.17
covered with new solder
IEC60115-1 4.23.2
170℃, 1000hrs
< ±1%
JIS C 5201-1 4.23.2
EC60115-1 4.23.4
-55℃, 1000hrs
<±1%
JIS C 5201-1 4.23.4
IEC60115-1 4.33
Bending width 2mm
< ±0.5%
JIS C 5201-1 4.33
IEC60115-1 4.6
100V DC for 1 minute >100 MΩ
JIS C 5201-1 4.6
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Document No
TRLM-120S030A
2012/12/13
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Current Sensing Resistors
RLM Series
( Halogen-Free )
Issued date
page
5.1Derating Curve
Power Ratio (%)
100
-55
70
Ambient Temperature (℃)
170
5.2 Rated Voltage
The rated voltage is calculated by the following formula:
V: Rated Voltage (V)
V
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
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Document No
TRLM-120S030A
2012/12/13
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Current Sensing Resistors
RLM Series
( Halogen-Free )
Issued date
page
7. Number of Package:
5000 Pieces / package
8. Label:
Date Code
Series
Resistance
QTY: 5000 PCS
LOT NO:
R010 FTC
RLM12FTC
T019C0071H
1019
Tolerance
Package
Power Rating
Customer Label
9. Taping
Packing
Type
A
B
3.6±0.2
W
8.0.±0.2
F
3.5±0.05
E
1.75±0.1
P
1
4.0±0.1
P
2
2.0±0.05
P
0
4.0±0.1
D
0
T
0.84±0.1
Paper Tape RLM12
2.0±0.15
ψ
1.5
(+0.1/-0)
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Document No
TRLM-120S030A
2012/12/13
5/6
Current Sensing Resistors
RLM Series
( Halogen-Free )
Issued date
page
10. Reel Specification
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.
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