[Amps] replacement to 3B28 rectifiers in certain HF Amps

Patrick A. Thompson Sr. wa4tukhr at comcast.net
Tue Dec 23 22:35:23 EST 2003


Found on the Collins "CCA reflector":

quoting:

The correct spelling.....Sarkes Tarzian. The S5130 has a PIV of 10.4KV and
an Iav of 300mA.

At least that is what my notes tell me.

Here's the orignal thread: and credits to K7DFW

http://mailman.listserve.com/archives/collins/2002-10/msg00200.html

Pat
wa4tuk

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com]On
Behalf Of rfdude at comcast.net
Sent: Tuesday, December 23, 2003 9:33 PM
To: Amps at contesting.com
Subject: [Amps] replacement to 3B28 rectifiers in certain HF Amps


Hi
i have two solid state replacement assemblies that fit the 4 pin socket of a
3B28 rectifier (as the type used in the Collins 30S1). They are cylidrical,
black, and about 1+1/8"  in diamter.
They have a black base, and "pin to cap" they are approx 5.5" long. The
standard ceramic cap fits the end (anode). The only markings are: Made in
the USA and S5130. A search on the net (google: "S5130 rectifier") led to
two other requests for similar info. I leaned that they are Sparkes Tarzian
(never heard of them), but there's no details on their PIV and amperage
ratings. I am trying to find out if indeed they are a replacement for a
3B28.
Thanks for any info...
kb3bf
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