[Boatanchors] RECTIFIERS

[Glenn Little WB4UIV]

They probably check open circuit in both directions due to the number 
of junctions in series.

73
Glenn
WB4UIV

At 07:19 PM 5/11/2010, Mr Magoo wrote:
>I recently had occasion to dismantle an HV power supply which, for 
>lack of a better name, I will call "The Widow Maker".  It powered a 
>3-1000 linear at about 3900V and was DANGEROUSLY 
>constructed.  Anyhow, the diode bridge was composed of a quad of 
>K2AW 14KV units, all of which, in testing, show NO presence of a 
>diode junction.  They are not shorted, they appear to be open.  The 
>transformer and caps are both good.  I can't think of a situation 
>which would cause all four to open up.  The linear did work for the 
>owner (now in a nursing home) at one time.  My impression of K2AW 
>products is that they are of good quality and not prone to failure 
>when operating this far below their rated voltage.
>
>Anyone care to comment on this?
>
>Bill VE3NH
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