General > General Technical Chat
What's this please? (Component Advice)
tautech:
Not in this Pat ?
http://hparchive.com/PARTS/HP-Parts-List-1973-74.pdf
Cubdriver:
--- Quote from: tautech on February 19, 2022, 07:16:40 am ---Not in this Pat ?
http://hparchive.com/PARTS/HP-Parts-List-1973-74.pdf
--- End quote ---
I don't recognize it as an HP part number - it's part of a digital panel meter that they bought as a sub assembly; it was made by Analogic in Wakefield, MA, rather than HP.
-Pat
tautech:
--- Quote from: Cubdriver on February 19, 2022, 07:45:06 am ---
--- Quote from: tautech on February 19, 2022, 07:16:40 am ---Not in this Pat ?
http://hparchive.com/PARTS/HP-Parts-List-1973-74.pdf
--- End quote ---
I don't recognize it as an HP part number - it's part of a digital panel meter that they bought as a sub assembly; it was made by Analogic in Wakefield, MA, rather than HP.
-Pat
--- End quote ---
Ah okay....drawing a blank too in books and searches here. :-//
Cubdriver:
--- Quote from: tautech on February 19, 2022, 07:59:58 am ---
--- Quote from: Cubdriver on February 19, 2022, 07:45:06 am ---
--- Quote from: tautech on February 19, 2022, 07:16:40 am ---Not in this Pat ?
http://hparchive.com/PARTS/HP-Parts-List-1973-74.pdf
--- End quote ---
I don't recognize it as an HP part number - it's part of a digital panel meter that they bought as a sub assembly; it was made by Analogic in Wakefield, MA, rather than HP.
-Pat
--- End quote ---
Ah okay....drawing a blank too in books and searches here. :-//
--- End quote ---
Appreciate the suggestions nonetheless. Thanks!
-Pat
SeanB:
RCA house coded part, done so you went to the original manufacturer for replacement parts. But being made in 1974, not going to be a very beefy transistor, or anything special. Probably easy to replace with almost any NPN power device, like a TIP31C, which likely has plenty of SOA margin, seeing likely 5V supply has 15V input and no more than 1A load maximum, limited more by the heatsinking than anything else.
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