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Re: [Amps] DIODE PIV Confusion

To: 'AMPS' <amps@contesting.com>
Subject: Re: [Amps] DIODE PIV Confusion
From: "Dr. David Kirkby" <david.kirkby@onetel.net>
Date: Wed, 29 Jun 2011 19:11:36 +0100
List-post: <amps@contesting.com">mailto:amps@contesting.com>
On 06/29/11 07:03 PM, Ron Youvan wrote:
> Jim Forsyth wrote:
>
>> How would you measure the PIV?
>
>    You can measure the breakdown Voltage with a scope, ac power supply and a 
> resistor.
> The "PIV RATING" is a breakdown Voltage that their products shall not fall 
> below.
> 40 years ago I measured many 1N4001's (50 Volt at 1 Amp.) and most broke down 
> around 155 Volts.

Sounds like a cheap source of 155 V "zener" diodes - or to be more precise 
"avalanche" diodes!

(Only joking, I'd rather use a diode designed as a voltage regulator)

G8WRB
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