Current Sensing Resistors
LMJ12 Series
Description
Proprietary processing technique produces
extremely low resistance values
Very low inductance
Low thermal EMF
Metallic Material
Part Numbering System
LMJ 12 M x xPx Rxxx
Resistance Code
R003 : 3mΩ
R020 : 20 mΩ
Power Rating
0P5 : 0.5W 1P0 : 1W
Series
Metal foil
Size
12: 1206 (3216)
Material
M:MnCu
Resistance Tol.
F: ± 1% G: ±2% J: ±5%
Standard
Parameter
Power Rating
0.5~1W
Resistance Value
1~30m Ω
Operating Temperature Range
-55 to +170°C
Component Temperature Coefficient (TCR)
± 50 ppm/°C
Maximum Working Voltage (V)
(P x R)1/2
Dimensions
L
C
W
d
Unit: Millimeters
Style
L
W
LMJ 12
3.2 ±0.2
1.6 ±0.2
Specifications are subject to change without notice.
C PROSEMI Document No : EPG121001824
C
d
1.1±0.3 (1mΩ)
0.5±0.3 (2~30m Ω)
1 of 2
0.75± 0.2
Rev.D 06/15/2016
www.prosemitech.com
Current Sensing Resistors
LMJ12 Series
Recommended land pattern
a1
a
Unit: Millimeters
Resistance Range
(Ω)
d
a
a1
d
0.001
1.0
2.3
1.8
0.002~0.030
1.6
1.7
1.8
Typical sensing traces
Packaging
Quantity: 5, 000pcs
8mm wide tape on 178mm(7 inch)
diameter reel -specification EIA
Standard 481.
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 cy cles, 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 : EPG121001824
2 of 2
Rev.D 06/15/2016
www.prosemitech.com
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