General Purpose Power
Wirewound Resistors
PW Series
Power Derating
100
Percent of Rated Load
80
PW-3, 5, 7, 10
60
PW-15, 18, 22, 25
40
20
0
25 40
85
300
PW-2
Temperature Rise (°C)
250
200
150
100
50
0
0
20 40 60 80 100 120
Percent of Rated Load
PW-22, 25
PW-15, 18
PW-10
PW-7
PW-5
PW-3
Welwyn Components
Temperature Rise
0
50
100
150
200
Ambient Temperature (°C)
250
Packaging
Resistors are supplied bulk packed. Quantity 500.
© Welwyn Components Limited
Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
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