There's a whole bunch over on the "evil empire" right now.
Just search on Turret Lug.
73, Dick, W1KSZ
On Fri, Jul 5, 2013 at 8:29 PM, Jim Thomson <jim.thom@telus.net> wrote:
> Date: Fri, 5 Jul 2013 21:59:53 +0100
> From: Chris Wilson <chris@chriswilson.tv>
> To: Amps <amps@contesting.com>
> Subject: Re: [Amps] premade HV rectifier board
>
> I quite like turret tags, or turret posts, whatever they are called.
> Considered old fashioned nowadays, but easy to insert and place and
> they allow air flow under and around the rectifiers. I even made a
> little steel jig to enable accurate drilling when I make another.
>
> http://www.chriswilson.tv/diodes.jpg
>
>
> Has anyone seen inside a rectifier "stick"? Are they just normal
> rectifier diodes soldered together then epoxy encapsulated?
>
> --
> Best Regards,
> Chris Wilson.
>
> ## Open up a stick... and all they are is typ 1N5408’s with leads
> lopped off..and encapsulated.
> Some are worse, and use just 1N4007.
> The leads on both 1N5408 and 6A10 diodes ARE the heatsink for em..so
> leave em long. With leads
> lopped off,and encapsulated, you can’t get the heat out.
>
> ## I tested both 5408 and 6A10 diodes...used for bias on a GG amp.... in
> my test jig on the
> bench with variable supply + resistor etc. The 5408 is good for 1A
> CCS..and runs pretty warm.
> The 6A10 is good for 2A CCS, also running pretty warm. In FWB or FWD
> service, the
> diodes are in a 50 % duty cycle mode. So figure 2A for 5408 and 4A
> for 6A10.
>
> ## diodes boards are easy to make up. 6A10 are the same length body as
> a 5408. The 6A10
> is double the diameter. Both the 5408 + 6A10 have the same .050 diam
> leads. A 6A10 will drop
> right into place...where a 5408 once stood.
>
> Jim VE7RF
>
>
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|
