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replacement transistors


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I was wondering if anyone knows of a locally available replacement for these transistors

 

off a gottlieb system 80s driver board.

 

MPS-U45 - (CEN-U45) - (NTE272)

 

 

MPS-A13 - (NTE46)

 

cheers Ian.

 

The only place I found that carried the NTE272 locally (or who could order them in) was Farnell, but at $52 each, I gave it a miss :lol

 

Best place to get them from is Ed at Great Plains Electronics.

 

Regards,

 

Johns-Arcade.

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The only place I found that carried the NTE272 locally (or who could order them in) was Farnell, but at $52 each, I gave it a miss :lol

 

Best place to get them from is Ed at Great Plains Electronics.

 

Regards,

 

Johns-Arcade.

 

 

$52 each that must be a joke. 3 of these and i could get a new driver board from the USA.

 

found the MPSA13 at jaycar

 

cheers Ian

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That MPSU45 has a crazy high hfe spec which makes it hard to match.

You could try a BD679 or BD681 (from Jaycar) which are similar but not as much gain.

 

 

if i was to try these is there any danger to the board,

 

what would the difference to the item they control be

 

i know nothing about electronics,i just follow the marvins guide.

 

cheers Ian

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