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Features
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Power Rating Resistance Tolerance T.C.R. Flameproof Multi-layer Coating Meets Flameproof Feature Meets Overload Test
1/2W, 1W, 2W, 3W, 4W, 5W, 7W ±1%, ±5% ±350ppm/°C UL-94V-0 UL-1412
DERATING CURVE
For resistors operated in ambient temperatures above 40°C, power rating must be derated in accordance with the curve below.
Rated Load (%)
40 70 100
80
60
155
275 °C
3W-7WS 1/2WS-3WS
40
20
50 100 150 200 250 300
Ambient Temperature (°C)
FUSING CHARACTERISTICS
R≤2.0Ω Fusing time within 60 seconds at 36 times of rated power R>2.0Ω Fusing time within 60 seconds at 25 times of rated power Fu...
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FKN5WS Data Sheet
