[sdiy] Fuse

Oscar Salas osaiber at yahoo.es
Thu Jun 16 10:59:10 CEST 2011



--- On Thu, 6/16/11, Bob Weigel <sounddoctorin at imt.net> wrote:

> From: Bob Weigel <sounddoctorin at imt.net>
> Subject: Re: [sdiy] Fuse
> To: synth-diy at dropmix.xs4all.nl
> Date: Thursday, June 16, 2011, 6:00 AM
> On 6/15/2011 7:55 PM, Oscar Salas
> wrote:
> > Hello,
> > 
> > In theory a fuse in the transformer's primary, should
> open the circuit if any short or over-current happens in the
> circuit. Isn't it the definition?
> > 
> >    
> 
> It'd be great if a 'smart programmable fuse' could be built
> cheaply. :-)  In practise, many circuits like power
> amplifiers demand large amounts of current in cycles. 


Thanks Bob, 
So in the case of a standard bipolar power supply 317/337 for modular synthesizer application the only think that make a 'slow' blow fuse recommendable is the inrush current when turning ON?




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