(Topic ID: 128879)

Gottlieb system 1 power supply


By LongJohns

4 years ago



Topic Stats

  • 6 posts
  • 4 Pinsiders participating
  • Latest reply 4 years ago by ForceFlow
  • No one calls this topic a favorite

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#1 4 years ago

Is there an alternative Q1 transistor? The OEM is a PMD12K40.

Yes I know I can buy a new Rottendog PS, but would like to fix the original.

Yes I know that Macro sells this transistor, but I am in Canada and don't want to pay for a $40 shipping cost.

Ideally I would like to get it from Digikey (or would consider Mouser/other) so as long as I can buy the 2 diodes I need as well (1N5401).

Any suggestions?

#2 4 years ago

straight from http://www.pinrepair.com/sys1/

The original PMD12K40 transistor is hard to find, but a common replacement is the 2N6057 or 2N6059

#4 4 years ago
Quoted from wiredoug:

straight from http://www.pinrepair.com/sys1/
The original PMD12K40 transistor is hard to find, but a common replacement is the 2N6057 or 2N6059

Thanks - don't know how I missed those. Looks like Great Plains it is (Big Daddy international shipping is even more obscene than Macro's - $22,000 - WTF, why don't they just say no international shipping?).

#5 4 years ago

GPE is still closed for vacation for the next 10 days or so, I'll be passing through Vancouver in a few days -- so you may have to wait awhile if you order from me.

Todd with the $22K charge. I believe that only has to do with the way his website deals with a minimum a buy and this value goes down when you hit that threshold. I believe he discusses this in a readme file on his website.

There is also John at John's Jukes (www.flippers.com) located in Canada. He doesn't have much of this stuff shown on his website but you can try emailing him. Great guy to deal with and quite knowledgeable.

#6 4 years ago
Quoted from LongJohns:

Thanks - don't know how I missed those. Looks like Great Plains it is (Big Daddy international shipping is even more obscene than Macro's - $22,000 - WTF, why don't they just say no international shipping?).

There's a minimum order of $30 in the US, and $75 for international.

http://bigdaddy-enterprises.com/faq.html#minimumorder

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