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Re: [Amps] DIODE PIV Confusion

To: Steve Katz <stevek@jmr.com>, "amps@contesting.com" <amps@contesting.com>
Subject: Re: [Amps] DIODE PIV Confusion
From: "Fuqua, Bill L" <wlfuqu00@uky.edu>
Date: Wed, 29 Jun 2011 23:48:53 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
2/3 of the manufacturers have 6A01 to 6A10 for 100 to 1000 volt PIV
1/3 list 6A05 to 6A100 for 50 to 1000V PIV.
There are clearly different manufacturers with different numbering schemes.
Surge and Taiwan Semiconductors use the 6A05 to 6A100 scheme and so do others.
73
Bill wa4lav

________________________________________
From: amps-bounces@contesting.com [amps-bounces@contesting.com] On Behalf Of 
Steve Katz [stevek@jmr.com]
Sent: Wednesday, June 29, 2011 8:36 PM
To: K1SG@aol.com; amps@contesting.com
Subject: Re: [Amps] DIODE PIV Confusion

I read that but that's just a matter of manufacturers making up rules as they 
go along.

IRC registered the 6A series with JEDEC over 30 years ago, and the registration 
says a 6A10 is 1kV.  A 6A01 is 100V, and they're all the same size; the only 
difference is the die inside.  The 100V parts are fallouts that were intended 
to diffuse to higher breakdown voltages and missed.  But the die size is the 
same, as is the package size, for all of them.

73

Steve WB2WIK

________________________________

From: amps-bounces@contesting.com on behalf of K1SG@aol.com
Sent: Wed 6/29/2011 4:20 PM
To: amps@contesting.com
Subject: Re: [Amps] DIODE PIV Confusion



Dick, the reason for the confusion is that there are indeed 2 different
diodes with that designation!  Mouser, for example, lists both of  them.
Take a look at both data sheets, and check the physical dimensions.   The 1
KV 6A10 is huge, with a diameter (IIRC) of about 1/3".  If the diode  is
substantially smaller, it's the  100volt diode.  If you order  6A10's from a
reputable dealer, you can easily verify that the part they're  selling is
indeed a 1 KV 6A device.

Steve

Steve  Gilbert
K1SG
K1SG@AOL.com
508-435-9133


In a message dated 6/29/2011 1:24:00 P.M. Eastern Daylight Time,
amps-request@contesting.com writes:

Message:  8
Date: Wed, 29 Jun 2011 09:28:15 -0700
From: Richard Solomon  <dickw1ksz@gmail.com>
Subject: [Amps] DIODE PIV Confusion
To:  amps@contesting.com
Message-ID:  <BANLkTinvFDqAiSU2ij55Go6CYMzsA07a4g@mail.gmail.com>
Content-Type:  text/plain; charset=ISO-8859-1

In looking for a datasheet for the 6A10  diode I came across a
potentially hazardous find.
One datasheet said the  6A10 was a 100 volt PIV diode, while another
said it was a 1,000
volt  PIV diode.

So, unless I actually measure the PIV, I am not sure of what  I have
and must, for safety sake,
assume the worst.


73, Dick,  W1KSZ



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