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PSR400ITTQJ Datasheet, PDF (3/6 Pages) Rohm – Ultra low ohmic Metal plate / High power type Shunt Resistors
PSR Series
Data Sheet
<Reference data>
Characteristics
Type
PSR400
PSR500
Resistance Value
(mΩ)
0.3
0.5
1
2
3
0.2
0.3
0.4
0.5
1
2
Thermal resistivity of
product (ºC /W)
4.5
8
15
16
24
3
4.5
7
8
8
16
Thermal EMF
(μV/ºC)
2μV/ºC Max.
Inductance
(nH)
< 3nH
Variation of resistance with temperature (Reference temperature is 20ºC)
2.00
1.50
1.00
0.50
0.00
-0.50
-1.00
-1.50
-2.00
-60 -40 -20
Cu/Mn
0 20 40 60 80 100 120 140
Temperature(°C)
2.00
1.50
1.00
0.50
0.00
-0.50
-1.00
-1.50
-2.00
-60 -40 -20
Ni/Cr
0 20 40 60 80 100 120 140
Temperature(°C)
Endurance (170ºC with no load)
2.00
1.50
1.00
0.50
0.00
-0.50
-1.00
-1.50
-2.00
0
500
1000
1500
Time / h
Ni/Cr
Cu/Mn
2000
Surface Temp Rise (Ta=25ºC)
PSR400
PSR500
120
110
100
3mΩ
90
80
2mΩ
70
1mΩ
60
0.3mΩ
50
40
30
20
10
0
0
1
2
3
4
5
6
Wattage(W)
120
110
100
90
80
70
60
50
40
30
20
10
0
0
1
2
3
4
Wattage(W)
Measurement condition of this data was taken out from board created under our regulation.
Product with highest temperature was selected for the measurement.
Please contact us about test board and test conditions.
2mΩ
1mΩ
0.5mΩ
0.2mΩ
5
6
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2014.03 - Rev.A