Resettable fuse--more information - Saab 9-5 Bulletin Board - Saabnet.com
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I did a little research, and the Polyfuse doesn't actually break the curcuit. The fuse has a very low resistance in its opperating current range, but that resistance sharply increases when the current significantly exceeds the permitted value. When the short is removed, the current flows again at opperatinng levels. It has fairly long recovery time to keep the thing from cycling rapidly and damaging the protected device.
posted by 169.253.1...
Posts in this Thread:
- Older Headlight Wipers, trying to fix, thermistor, jeff02 , Sat, 14 Apr 2012 07:58:39
- Re: Older Headlight Wipers, trying to fix, thermistor, jeff02 , Wed, 18 Apr 2012 02:58:21
- Resettable fuse, Gene N , Mon, 16 Apr 2012 12:15:40
- Re: Older Headlight Wipers, trying to fix, thermistor, dtechakacheaptech, Sun, 15 Apr 2012 10:03:51
- Re: Older Headlight Wipers, red, yellow, black wires, jeff02 , Sat, 14 Apr 2012 10:24:12
- Rest position., R, Sat, 14 Apr 2012 10:04:22
- Its most likely a diode., R. Frist, Sat, 14 Apr 2012 09:56:51
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