Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Document No
RTLM-20XX001A
Issued date
2007/11/15
page
1/6
TA-I TECHNOLOGY CO., LTD
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 20 F E C R010
Item Series Resistance Packaging Power Rating Resistance
No tolerance
20:2010 F: 1% E: Embossed Tape C=1W e.g :
(5025) G: 2% S=1/2W R010=10m
J: 5%
3. Construction and Dimension
3.1 Construction:
3.2 Dimension:
UNIT : mm
Style
L
W
C
t
RLM20
5.0±0.2
2.5±0.2
0.6±0.3
0.75 ±0.20
Metal Alloy Plate
Over-Coat
Ni / Sn
Plating
R010
Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Document No
RTLM-20XX001A
Issued date
2007/11/15
page
2/6
TA-I TECHNOLOGY CO., LTD
4. Features:
Type
RLM20
Power Rating
1/2 1W
Resistance Value
3~30m
Operation Temperature Range
-55 ~+170
Temperature Coefficient of Resistance
100ppm/
3m R10m
75ppm/
R>10m
Tolerance
1%, 2%, 5%
Insulation Resistance
Over 100M
Maximum Working Voltage(V)
(P*R)1/2
5. Reliability Tests :
Test Items
Condition of Test
Test Limits
Temperature Coefficient of
Resistance
+25 ~ +125
Refer 4.0
Load Life
1000hours at rated power, 70 , 1.5hours
“ON”, 0.5hour “OFF”
±1%
Short Time Overload
5 X rated power for 5s
±0.5%
Moisture no Load
85 , 85%RH, 1000hrs
±0.5%
Temperature cycle
-40 & +125 , 1000cycle, 15min per
extreme condition
±0.5%
Resistance to Soldering Heat
260±5 for10±1 sec
±0.5%
Solderability
245±5 , 2±0.5sec
At least 95% of surface area
of electrode shall be
covered with new solder
High Temperature Exposure
170 , 1000hrs
±0.5%
Low Temperature Storage
-55 , 1000hrs
±0.5%
Substrate Bending
Bending width 2mm, Epoxy thickness
1.6mm, Fulcrums distance 90mm
±1.0%
Insulation Resistance
100V DC for 1 minute
>100 M
Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Document No
RTLM-20XX001A
Issued date
2007/11/15
page
3/6
TA-I TECHNOLOGY CO., LTD
5.1Derating Curve
-55 70 170
Ambient Temperature ( )
5.2 Rated Voltage
The rated voltage is calculated by the following fomula:
V= P*R
6. Recommended Solder Pad Dimension
Resistance Range
( )
a
b
L
0.010-0.060
3.1
2.7
3.1
Unit:mm
Power Ratio (%)
100
V:Rated Voltage(V)
P:Rated Power(W)
R:Resistance Value( )
a
L
Cu Trace
b
Sensing Trace
Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Document No
RTLM-20XX001A
Issued date
2007/11/15
page
4/6
TA-I TECHNOLOGY CO., LTD
7. Number of Package:
4000 Pieces / package
8. Label: Date Code Series Resistance Lead-Free Product
LOT NO:
9. Taping
Packing
Type
A
B
W
F
E
P1
P2
P0
D0
T
Emboss
RLM20
2.8 0.2
5.3 0.2
12. 0.2
5.5 0.05
1.75 0.1
4.0 0.1
2.0 0.05
4.0 0.05
1.5
(+0.1/-0)
0.85 0.15
QTY: 4000 PCS LEAD-FREE
R010 FEC
3089166 0308 2010
Customer Label
Tolerance
Package
Power Rating
Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Document No
RTLM-20XX001A
Issued date
2007/11/15
page
5/6
TA-I TECHNOLOGY CO., LTD
10. Reel Specification
Series
A
B
C
W
T
RLM 20
+0
180
-3
60 min
13.0 1.0
13.0 1.0
15.4 2.0
11. Peeling Strength of Top Cover Tape
Test Condition: 0.1 to 0.7 N at a peel-off speed of 300 mm / min.
pull
top cover tape 300 mm/min
10 ~15 standard: 0.1 ~ 0.7 N
carrier tape
12. Storage Conditions:
Temperature: 5 ~35 ,Humidity:40%~75%
13. Shelf Life:
2 years from manufacturing date.
Lead-Free Current Sensing Resistors
RLM Series
( Halogen-Free )
Document No
RTLM-20XX001A
Issued date
2007/11/15
page
6/6
TA-I TECHNOLOGY CO., LTD
14. Recommend IR – Reflow profile : (solder : Sn96.5 / Ag3 / Cu0.5)
Peak : 250
0
5
℃ , 5 sec
Pre – heat zone : 150 to 180 ℃, 90±30 sec
Soldering zone : 230℃ or higher , 30±10 sec
15. ECN
Engineering Change Notice: The customer will be informed with ECN if there is significant
modification on the characteristics and materials described in approval sheet.
16. Manufacturing Country & City :
TA-I TECHNOLOGY CO., LTD. ( Taiwan – Tao Yuan )
Tel: (+886)-3-3246169 Fax : (+886)-3-3247410
Associated companies :
(1) FORTUNE TASK RESISTOR FACTORY ( China – Dong Guan )
Tel : (+86)-769-83394790 Fax : (+86)-769-83394794
(2) TA-I TECHNOLOGY ( SU ZHOU ) CO., LTD. ( China – Su Zhou)
Tel :(+86)- 512-63457879 Fax : (+86)-512-63457869
(3) TAI OHM ELECTRONICS ( M ) SDN. BHD. ( Malaysia – Penang )
Tel :(+604)- 3900480 Fax : (+604)-3901481
(4) P.T.TAI ELECTRONICS Indonesia ( Indonesia – Jakarta )
Tel :(+62)-21-44820254 Fax : (+62)-21-44820256