[Premium-Rx] Cubic R3030

[Chuck Urmson]

Hi Lee/Charles,

The bridge is connected directly across the AC mains so 50V is not going
to work! 

Regards,
Chuck EA8DBU/M1DPD


 If you give me six lines written by the hand of the most honest of men, I will find something in them which will hang him.
Cardinal Richelieu

On 10/12/2014 19:01, Charles Steinmetz wrote:
> Lee wrote:
>
>> Anyone here ever repair the power supply module, I am trying to
>> identify cr13  bridge rectifier, the part number is unrecognizable.
>
> According to the service manual, it is a VM108, which is a 50v, 1A
> bridge rectifier in a DIP package made by an obscure and
> long-forgotten company.  Looking at it from the top, with the dot up,
> Pin 1 (upper left) is the + output, Pin 3 (lower left) is the -
> output, and Pins 4 (lower right) and 6 (upper right) are the AC input.
>
> The Fairchild DF005M (also supplied by Diodes, Inc., both available
> from Mouser) appears to be pin-compattible.  (If it failed, you might
> want to consider the 1kV version, DF10M, or the 400v version, DF04M,
> also available from Mouser.)
>
> Or, replace it with four, 1N400x diodes.  IME, diode bridges in DIP
> packages seem prone to failure, so I'd use 4x 1N400x, myself.
>
> I'll try attaching a drawing, but I think the list server will strip it.
>
> Best regards,
>
> Charles
>
>
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