Current Sensing Resistors
LMS Series
RoHS
2015/863/EC
Description
Proprietary processing technique produces
extremely low resistance values
Very low inductance
Low thermal EMF
Metallic Material
Part Numbering System
LMS 08 C x xPx Rxxx
Resistance Code
R003 : 3mΩ R0065 : 6.5mΩ
R020 : 20 mΩ
Power Rating
0P5 : 0.5W 1P0 : 1W
Series
Size
08: 0805 (2012) 12: 1206 (3216)
Material
Resistance Tol.
F: ± 1% G: ±2% J: ±5%
Specifications
Type
Size
Power
Tolerance
(mΩ)
(W)
LMS08
0805
0.75
LMS12
1206
1.0
Resistance Value
±1%
±2%
±5%
Operation
Temperature
Range
T.C.R
-55 ~+155℃
±50ppm/℃
5 ~ 30 mΩ
5 ~ 40 mΩ
Dimensions
L
C
Unit: Millimeters
W
d
Type
L
W
C
d
LMS08
2.00±0.20
1.25±0.20
0.40±0.30
0.70±0.20
LMS12
3.20±0.20
1.60±0.20
0.50±0.30
0.70±0.20
Specifications are subject to change without notice.
C PROSEMI Document No:P0R0210133117003
1 of 2
www.prosemitech.com
Current Sensing Resistors
LMS Series
Recommended land pattern
Unit: Millimeters
Series
L
Resistance (mΩ)
A
L
1.4
3.2
5 ≦ R < 10
LMS08
B
10 ≦ R ≦ 30
0.8
1.2
5 ≦ R < 10
A
LMS12
10 ≦ R < 20
20 ≦ R ≦ 40
Cu Trace
B
1.2
1.8
4.7
1.8
2.2
Sensing Trace
Packaging
Type
Pieces/Package
LMS08
4,000
8mm wide tape on 178mm(7 inch)
diameter reel -specification EIA
Standard 481.
LMS12
4,000
Performance
Test Items
Thermal shock
Short time overload
Low temperature operation
High temperature exposure
Moisture resistance
Load life
Resistance to bonding exposure
Conditions of Test
- 55 °C to + 150 °C, 300 cycles, 15 min at each extreme
5 x rated power for 5 s
- 55 °C, 1000 h
1000h at + 170 °C
MIL-STD- 202, method 106, 0 % power, 7b not required
1000 h at 70 °C , 1.5 h "ON", 0.5 h "OFF"
260 °C for 10 s
Test Limits
± 1.0 %
± 0.5 %
± 0.5 %
± 1.0 %
± 1.0 %
± 1.0 %
± 0.5 %
Power Ratio (%)
Derating Curve
100
-55
70
170
Ambient Temperature (°C)
Specifications are subject to change without notice.
C PROSEMI Document No:P0R0210133117003T
2 of 2
www.prosemitech.com
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