Re: {Collins} Selenium diode for bias on 516F-2

[Bob Hardie- W5UQ <W5EUQ@xxxxxxxxxxx>]

Oops... 1N4001 through 1N4007 family.... sorry, I missed the 7.  Bob

Bob Hardie- W5UQ wrote:
> helpful info..
> The 1N4001 through 1N400 family:
> 1N4001=   1A 50V Standard Rectifier
> 1N4002=   1A 100V Standard Rectifier
> 1N4003=   1A 200V Standard Rectifier
> 1N4004=   1A 400V Standard Rectifier
> 1N4005=   1A 600V Standard Rectifier
> 1N4006=   1A 800V Standard Rectifier
> 1N4007=   1A 1000V Standard Rectifier
>
> These diodes are standard type diodes and vary in voltage.  Now you 
> can see what you are going for. 
> A 1N4003 will work and the higher voltage diodes will work too.  It's 
> just that the higher voltage diodes are not needed, but they will 
> work.   So look in your parts boxes and go for it. 
>
> In the bias supply, it wouldn't hurt to put a surge resistor in series 
> with the diode, at it's input.  Like a 0.82 ohm at 1 watt.  Higher 
> resistances at higher wattage works too.  These supplies were made for 
> 110 volts and we're using them on 125 volts so a little ballast 
> doesn't hurt.
> Bob  
>
> John Hoffman wrote:
> > If I remember correctly the last time I upgraded a 516F-2 bias supply 
> > I used an IN4003.
> >  
> > John WA9ZBW
> >
> > > Date: Thu, 18 Dec 2008 05:46:01 -0800
> > > From: k7enp@xxxxxxxxxx
> > > To: toolman-5@xxxxxxxxxxx
> > > CC: collins@xxxxxxxxxxxxx
> > > Subject: Re: {Collins} Selenium diode for bias on 516F-2
> > >
> > > >Hello Lyle whitch diode did ith listserve recomend for the
> > > 516f2? Merry Christmas & Healthy new year. Jerry k7enp
> > >
> > >
> > > Hello - Thank you to all who emailed me on subject question. This list
> > > > is great and it is really nice to know there are expert persons whose
> > > > help you can count on. Thanks to you I am all fixed up. 73, Lyle 
> > Hood,
> > > > KI6OTY
> > > > _______________________________________________
> > > >
> > > >
> > > > SHARE THE FUN: JOIN THE COLLINS COLLECTORS ASSOCIATION TODAY !
> > > > http://www.collinsradio.org/membership/
> > > > -paypal accepted-
> > > >
> > > > NETS: Tues & Thur: 3.805 MHz-2000 Central + Fri: 3.895 MHz-2000 
> > Pacific
> > > > SUNDAYS: 14.263 MHz-2000 UTC + AM Net: 29.050 MHz-1200 Central
> > > > 1st Wednesday AM Net 3.880 MHz-2000 local (ET, CT, MT, PT)
> > > >
> > >
> > >
> > > _______________________________________________
> > >
> > >
> > > SHARE THE FUN: JOIN THE COLLINS COLLECTORS ASSOCIATION TODAY !
> > > http://www.collinsradio.org/membership/
> > > -paypal accepted-
> > >
> > > NETS: Tues & Thur: 3.805 MHz-2000 Central + Fri: 3.895 MHz-2000 Pacific
> > > SUNDAYS: 14.263 MHz-2000 UTC + AM Net: 29.050 MHz-1200 Central
> > > 1st Wednesday AM Net 3.880 MHz-2000 local (ET, CT, MT, PT)
> > >
> >
> >
> > ------------------------------------------------------------------------
> > Suspicious message? There’s an alert for that. Get your Hotmail® 
> > account now. 
> > <http://windowslive.com/Explore/hotmail?ocid=TXT_TAGLM_WL_hotmail_acq_broad2_122008>
> >
> > __________ NOD32 3700 (20081217) Information __________
> >
> > This message was checked by NOD32 antivirus system.
> > http://www.eset.com
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> >
> >
> > SHARE THE FUN: JOIN THE COLLINS COLLECTORS ASSOCIATION TODAY !
> >   http://www.collinsradio.org/membership/
> > -paypal accepted-
> >
> >  NETS: Tues & Thur: 3.805 MHz-2000 Central + Fri: 3.895 MHz-2000 Pacific
> >   SUNDAYS: 14.263 MHz-2000 UTC  +  AM Net: 29.050 MHz-1200 Central
> >   1st Wednesday AM Net 3.880 MHz-2000 local (ET, CT, MT, PT)
> >
> >
> >
> > __________ NOD32 3700 (20081217) Information __________
> >
> > This message was checked by NOD32 antivirus system.
> > http://www.eset.com
> >
> >   
>
>
> __________ NOD32 3704 (20081218) Information __________
>
> This message was checked by NOD32 antivirus system.
> http://www.eset.com
> ------------------------------------------------------------------------
>
> _______________________________________________
>
>
> SHARE THE FUN: JOIN THE COLLINS COLLECTORS ASSOCIATION TODAY !
>   http://www.collinsradio.org/membership/
> -paypal accepted-
>
>  NETS: Tues & Thur: 3.805 MHz-2000 Central + Fri: 3.895 MHz-2000 Pacific
>   SUNDAYS: 14.263 MHz-2000 UTC  +  AM Net: 29.050 MHz-1200 Central
>   1st Wednesday AM Net 3.880 MHz-2000 local (ET, CT, MT, PT)
>
>
>
> __________ NOD32 3704 (20081218) Information __________
>
> This message was checked by NOD32 antivirus system.
> http://www.eset.com
>
>   
begin:vcard
fn:Bob Hardie, W5UQ Formerly W5EUQ(lost the Echo...Echo... Echo)
n:W5UQ;Bob
email;internet:W5EUQ@xxxxxxxxxxx AND bhardie@xxxxxxxxxx
x-mozilla-html:TRUE
version:2.1
end:vcard