PSR400ITTQJ Datasheet, PDF (1/6 Pages) Rohm – Ultra low ohmic Metal plate / High power type Shunt Resistors

Ultra low ohmic Metal plate / High power type
Shunt Resistors
PSR Series
Features
1) High power class up to 4 to 5W.
2) The lineup of ultra-low resistance value : correspondence from 0.2m
3) Excellent temperature coefficiency.
4) Ideal for current detection under high current circuit.
Data Sheet
Products List
Part No.
PSR400
Size
(mm) (inch)
Rated power
(70°C)
Tolerance
10×5.2 3921
4W
J (±5%)
G (±2%)
F (±1%)
Resistance
range
(mΩ)
0.3,0.5
1.0,2.0,3.0
Temperature^∗
coefficient
(ppm / °C)
Operating
Temperature
Range
(°C)
±175
±75
PSR500
15×7.75 5931
5W
J (±5%)
G (±2%)
F (±1%)
0.2
0.3,0.4,0.5
1.0,2.0
±225
−55 to +170
±150
±75
∗(+20°C to +125°C)
Chip Resistor Dimensions and Materials
(Top)
L
Part No. (mm) (inch)
H
(Bottom)
W
t
b
PSR400 10×5.2 3921
PSR500 15×7.75 5931
(Unit : mm)
L
W
H
b
Resistance
t
Material
10±0.3 5.2±0.3 0.5±0.1 2.0±0.6
0.3 1.85±0.15
0.5 1.30±0.15 Cu / Mn
1.0 0.90±0.15
2.0 1.15±0.15
Ni / Cr
3.0 0.90±0.15
15±0.3 7.75±0.3 0.5±0.1 4.0±0.6
0.2 1.85±0.15
0.3 1.40±0.15
Cu / Mn
0.4 1.15±0.15
0.5 1.05±0.15
1.0 1.35±0.15
Ni / Cr
2.0 0.90±0.15
Derating Curve
When the ambient temperature exceeds 70°C, power dissipation must be adjusted according to the derating curves below.
100
80
60
40
20
0 _−55
0
70 100
170
AMBIENT TEMPERATURE (°C)
Design and specifications are subject to change without notice.
Carefully check the specification sheet supplied with the product before using or ordering it.
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2014.03 - Rev.A