Re: Broadcast Capacitors

• To: tesla-at-poodle.pupman-dot-com
• Subject: Re: Broadcast Capacitors
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Sat, 29 Mar 1997 19:46:35 -0600
• Approved: tesla-at-stic-dot-net

Subject: 
           Re: Broadcast Capacitors
      Date: 
           Sat, 29 Mar 1997 19:47:16 EST
      From: 
           wb8jkr-at-juno-dot-com (Mark S Graalman)
        To: 
           tesla-at-pupman-dot-com
References: 
           1


On Wed, 26 Mar 1997 00:09:45 -0600 Tesla List <tesla-at-pupman-dot-com> writes:
>Subject: 
>            Broadcast Capacitors
>       Date: 
>            Wed, 26 Mar 1997 08:03:27 +1200
>       From: 
>            "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
>Organization: 
>            Wellington Polytechnic, NZ
>         To: 
>            tesla-at-pupman-dot-com
>
>
>Hello all,
>             I have come by a bunch of capacitors surplus to some 
>broadcasting outfit (TV I think). The manufacturer is "Sangamo". The 
>values range from 0.001uF to around 0.0056uF. Peak voltages on the 
>units range from 4 kV for the larger capacitance to 6kV for the 
>smallest. The casing is brown and cylindrical, dimensions 50mm 
>diameter x 50mm high (2" x 2"). Quoted currents on the cases are in 
>Amps RMS at 1000kc (1MHz). Does anyone have info on these? I am 
>interested in the dielectric and possible suitability for discharge 
>applications. They look like ideal tuning caps for tube/transistor 
>coil.
>
>Malcolm
>
>

   Hi Malcolm,


  Those are mica capacitors, I wouldn't use them in a disruptive
coil, but I think they'd be great in a tube coil at around 2KV on the
plate. In fact, I have a .01ufd 5KV cap just like that I plan on using
in a tube coil with a pair of 572-B's and 2KV on the plate.


                Mark Graalman

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