Four-Terminal Current-Sensing
Wirewound Resistor
Temperature Rise Chart
250
Hot Spot Temperature (°C)
200
150
100
4LPW-3
4LPW-5
4LPW-10
4LPW-7
4LPW-15
Power Derating Curve
100
4LPW-3, 5, 7, 10
Percent Rated Load
80
60
40
20
0
Max. Recommended
Ambient Operating
Temperature 150°C
4LPW-15
50
0
0
20
40
60
80
100
120
Percent Rated Load
0
50
100
150
200
250
Ambient Temperature (°C)
Ordering Data
Sample Part No.
IRC Type
4LPW
4LPW
15
R010
F
Power
3 = 3W, 5 = 5W, 7 = 7W, 10 = 10W, 15 = 15W
Resistance Range
Expressed in ohms
(Standard EIA/MIL values)
Tolerance
F = ±1%, G = ±2%, H = ±3%, J = ±5%, K = ±10%
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
4LPW Series Issue October 2008 Sheet 2 of 2
IRCTT [ IRC - A TT ELECTRONICS COMPANY. ]
