Re: LF: Re: And again!

["mal hamilton" <g3kevmal@talktalk.net>]

Almost indestructible 

-----Original Message----- 
From: g3kevmal@talktalk.net 
Sent: Thursday, September 20, 2018 4:02 PM 
To: rsgb_lf_group@blacksheep.org 
Subject: LF: Re: And again! 

Consider FET type

MRFE6VP61K25H

DE MAL/G3KEV


-----Original Message----- 
From: Chris Wilson 
Sent: Tuesday, September 18, 2018 3:32 PM 
To: N1BUG 
Subject: Re: LF: Re: And again! 


Hello Paul,

Yes  I use the still available 32N20 devices, but so long as you watch
the  input  capacitance  you  should be able to substitute quite a few
others.  I  was given a load of these, which are kind of nice and work
superbly :

https://www.wolfspeed.com/media/downloads/176/C3M0065090D.pdf

Tuesday, September 18, 2018, 3:08:35 PM, you wrote:

> Interesting. It remains to be seen how many FET deaths will occur
> here. Perhaps running them at 36V maximum (summer) will help them
> survive less than ideal operating conditions. I was a bit worried
> about the 34N20 no longer being available in the large package but
> if I am not mistaken you had been able to use 32N20 as a substitute.
> Presently I have no spares which is a situation deserving of attention.
> Paul



--
Best regards,
Chris                            mailto:dead.fets@gmail.com