Document No
TRLM-250S147E
2014/03/31
1/6
Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Issued date
Page
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
R010=10mΩ
3. Construction and Dimension
：
3.1 Construction:
Over-Coat
Ni / Sn
Plating
Metal Alloy Plate
3.2 Dimension:
R003
R010
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
Strip： Alloy
0.6
±0.20
Over Coating：molding
Compound UL-94 grade
TA-I TECHNOLOGY CO., LTD
Document No
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2014/03/31
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Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Issued date
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4. Features:
Type
Power Rating
Resistance Value
Operation Temperature Range
Temperature Coefficient of Resistance
Tolerance
Insulation Resistance
Maximum Working Voltage(V)
5. Reliability Tests :
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
IEC60115-1 4.24.2.1a)
JIS C 5201-1 4.24.2.1a)
IEC60115-1 4.19
JIS C 5201-1 4.19
IEC60115-1 4.18
JIS C 5201-1 4.18
RLM
(1W:R=1mΩ~50mΩ)
(1.5W:R≦15 mΩ)
(2W:R≦10mΩ)
1mΩ~50mΩ
-55℃~+170℃
±275ppm/℃
R≦1mΩ
±100ppm/℃
1mΩ<R≦10mΩ
±75ppm/℃
R>10mΩ
±1%,±2%,±5%
Over 100MΩ
(P*R)
1/2
Test Items
Temperature Coefficient
of Resistance
Load Life
Short Time Overload
Moisture no Load
Condition of Test
+25℃
~ +125℃
1000hours at rated power,
70℃, 1.5hours “ON”,
0.5hour “OFF”
5 X rated power for 5s
85℃, 85%RH, 1000hrs
Test Limits
Refer 4.0
< ±1%
< ±0.5%
< ±1%
Temperature cycle
Resistance to Soldering Heat
-55℃ & +155℃, 300cycle,
< ±0.5%
15min per extreme
condition
260±5℃ for20±1 sec
< ±0.5%
At least 95% of surface
area of electrode shall
be covered with new
solder
< ±1%
<±0.5%
< ±0.5%
>100 MΩ
Solderability
IEC60115-1 4.17
JIS C 5201-1 4.17
245±5℃, 2±0.5sec
High Temperature Exposure
Low Temperature Storage
Substrate Bending
Insulation Resistance
IEC60115-1 4.23.2
JIS C 5201-1 4.23.2
EC60115-1 4.23.4
JIS C 5201-1 4.23.4
IEC60115-1 4.33
JIS C 5201-1 4.33
IEC60115-1 4.6
JIS C 5201-1 4.6
170℃, 1000hrs
-55℃, 1000hrs
Bending width 2mm
100V DC for 1 minute
TA-I TECHNOLOGY CO., LTD
Document No
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2014/03/31
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Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Issued date
Page
5.1Derating Curve
5.2 Rated Voltage
The rated voltage is calculated by the following fomula:
V=
×
6. Recommended Solder Pad Dimension
L
V:Rated Voltage(V)
P:Rated Power(W)
R:Resistance Value(Ω)
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
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2014/03/31
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Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Issued date
Page
7. Number of Package:
4000 Pieces / package
8. Label:
Date Code
Series
Resistance
Lead-Free Product
QTY: 4000 PCS
LOT NO:
LEAD-FREE
R010 FEC
3089166
0308
2512
Customer Label
Tolerance
Package
Power Rating
9. Taping
Packing
Emboss
Type
RLM25
A
3.6+0.2
-0.18
B
6.9±0.2
W
12.±0.2
F
5.5±0.05
E
1.75±0.1
P
1
4.0±0.1
P
2
2.0±0.05
P
0
4.0±0.05
D
0
ψ1.5
(+0.1/-0)
T
0.85±0.15
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2014/03/31
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Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Issued date
Page
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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