What type of fuse is this? Help...

gmphadte · 20th October 2004, 04:22 AM

This fuse is blown in my Sony audio system.

The printing on the PCB is...
F905, ICP905
1.25A125V
SSFR SOC

On the fuse it is written...
SOC
1250

It is a leaded fuse with a square body with axial leads.
Can anyDIY tell me what is this type of fuse.

Thanx in advance

Gajanan Phadte

dangus · 20th October 2004, 08:42 AM

It looks like SOC is just the make:
http://www.fuses.cc/info/japaneseFuseDaito.asp
http://www.san-o.com/
SSFR appears to be the type of fuse:
http://www.san-o.com/Fusetype/Stdfuse/picodat2.htm
"high reliability with low arcing"
The fuse rating is 1.25 amps at 125V

If it's impossible to obtain an exact replacement, possibly a small ceramic fast-blow 1.25A fuse could be substituted (wrap some solid wire around the ends of the fuse and solder). That's at your own risk of course; officially I do not recommend it.

gmphadte · 20th October 2004, 09:04 AM

Thanks dangus

SOC stands for SOC corporation
this is the fact of SSFR

The SSFR is UL Recognized to UL 198G. The ULSSTR is UL Listed to UL 248-1, -14. These are High Reliability devices with very low arcing when compared with conventional fuses. This will be important for precision current limiting applications.

I had opened the fuse. It has a pasted cover.

I will join the remaining ends of the fuse wire and hope for the best.

20th October 2004, 04:22 AM	#1
gmphadte diyAudio Member Join Date: Jul 2003 Location: Dona paula, Goa	What type of fuse is this? Help... This fuse is blown in my Sony audio system. The printing on the PCB is... F905, ICP905 1.25A125V SSFR SOC On the fuse it is written... SOC 1250 It is a leaded fuse with a square body with axial leads. Can anyDIY tell me what is this type of fuse. Thanx in advance Gajanan Phadte

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20th October 2004, 08:42 AM	#2
dangus diyAudio Member Join Date: May 2004 Location: Vancouver Island	It looks like SOC is just the make: http://www.fuses.cc/info/japaneseFuseDaito.asp http://www.san-o.com/ SSFR appears to be the type of fuse: http://www.san-o.com/Fusetype/Stdfuse/picodat2.htm "high reliability with low arcing" The fuse rating is 1.25 amps at 125V If it's impossible to obtain an exact replacement, possibly a small ceramic fast-blow 1.25A fuse could be substituted (wrap some solid wire around the ends of the fuse and solder). That's at your own risk of course; officially I do not recommend it.

20th October 2004, 09:04 AM	#3
gmphadte diyAudio Member Join Date: Jul 2003 Location: Dona paula, Goa	Thanks dangus SOC stands for SOC corporation this is the fact of SSFR The SSFR is UL Recognized to UL 198G. The ULSSTR is UL Listed to UL 248-1, -14. These are High Reliability devices with very low arcing when compared with conventional fuses. This will be important for precision current limiting applications. I had opened the fuse. It has a pasted cover. I will join the remaining ends of the fuse wire and hope for the best.

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