Re: Rob's flyback circuit

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

Tesla list wrote:
> 
> Original poster: "Jonathan Peakall by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <jpeakall-at-madlabs.info>
> 
> Rob,
> 
> I have found 20v to be a little high for 3055's. I haven't seen the
> robflyback schematic, but you can try the simple one or two transistor
> circuits on my page, which seem to be quite reliable and 3055's seem to
> survive  ;-).
> 
> Where did you get your 3055s? I have found Radio Shacks to be very eratic.
> Some blow right away, some tough it out. I use 3055HV's that All Electronics
> sells, and have yet to blow one. Except being silly ;-). How many 

	I've been looking at those but haven't gotten any yet, as I have a lot
of "regular" 3055's in stock.  Have you measured the breakdown voltage
and saturation base current of any?

Ed