[Premium-Rx] Cubic R3030

Chuck Urmson chuck at urmson.net
Wed Dec 10 14:29:27 EST 2014


Hi All,

However I agree that 4x1N4007 would do the job just fine if you can't
find a DI1510. 

Regards,
Chuck




 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 19:20, Chuck Urmson wrote:
> 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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