Flame-proof wirewound metal film fusible resistors rated at 3 W at 70°C
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eeNews Europe
Yet under continuous overload, the SP3A fuses very quickly without flame or significant self-heating. Compared to other UL1412 approved fusible wirewound resistors which sacrifice surge handling to ensure a reliable fusing action, Stackpole’s unique materials and processes focus the energy of the continuous overload to quickly open the resistance wire while retaining the pulse handling normally provided by the wirewound element.
The SP3A UL recognized part is available in resistance values from 10 ohms up to 100 ohms. Other non-UL recognized values and sizes maybe available.
Visit Stackpole Electronics at www.seielect.com
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