[volt-nuts] Power Designs Precision Power Supplies

[Marvin E. Gozum]

Thank you Andreas, for the effort.  Yes, I located the 2N types 
online too.  That list of key parts is from the service manual, p.14.

https://docs.google.com/viewer?a=v&q=cache:EwpcBMGQ5TAJ:128.238.9.201/~kurt/manuals/manuals/Other/POWER%2520DESIGNS%25202020B,%25205020,%2520C500%2520Instruction.pdf+&hl=en&gl=us&pid=bl&srcid=ADGEESgOKHKiERW-JexT4B1lKdgXdxFrlR3FKBaAISArSRNrlmm-L65VRQh2WZMvUBY3QvNaKRhZXi3nvdJuMMzLNhgGF1Zjzdz0wmT83-bRw-oCoH3jyU819g4ik3Z5_13PKKNwF4RS&sig=AHIEtbT9w8oh_e9PK_kT7JD8rqPC1kPWRA

The google copy is sourced from ko4bb's manual archive page, in the 
non-indexed section.  It could have been moved, follow main link:

http://www.ko4bb.com/manuals/




At 06:04 PM 4/25/2012, Andreas Jahn wrote:
>At least the 2N-Types can be found:
>
>http://www.findchips.com/avail?part=2n2219a
>http://www.findchips.com/avail?part=2n5416
>
>For the rest: did you really read the type number or something like 
>the datecode (TI0421)
>
>With best regards
>
>Andreas
>
>>I looked up the transistors in the 2020B and 5020 and half of them 
>>are unobtanium.  By chance, does anyone have the specs of 
>>these?  I've tried the web based resources and located 2 transistor 
>>specs, and were barely readable.
>>
>>
>>Transistors:
>>FS1700E
>>2N2219A
>>IR4230
>>TI0421
>>FS2270B
>>MS1700G
>>FS1075
>>2N5416
>>
>>Does anyone know what these voltage references where?
>>
>>Voltage References
>>A65555-1
>>A65555-2
>>A65555-3
>>



Sincerely,



Marv Gozum
Philadelphia, PA