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4hv.org :: Forums :: General Science and Electronics
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alternative to c5720 transistor

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audio:deviant
Thu Mar 25 2010, 06:50PM Print
audio:deviant Registered Member #2081 Joined: Wed Apr 15 2009, 11:36AM
Location:
Posts: 78
hello all,

i wouldnt normally ask about something like this but im having no luck what so ever trying to find an alternative, it came out of a camera flash board im not sure if that helps. have had no luck in the local 'lecy shops
cheers in advance,

james
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Steve Conner
Thu Mar 25 2010, 06:59PM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
It's a 2SC5720... Japanese transistor part numbers always begin with "2S" but they leave it off the package to save space.

It's actually quite a powerful transistor. Maplin have the BD237, different package and pinout but it might do.
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audio:deviant
Mon Mar 29 2010, 04:07PM
audio:deviant Registered Member #2081 Joined: Wed Apr 15 2009, 11:36AM
Location:
Posts: 78
thanks steve! ill see if i can get some samples from rs. i ment to put in the serial of a couple that came out of them,

D965
C5720

dont know if that help at all.
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Steve Conner
Mon Mar 29 2010, 04:15PM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
Well, I guess the "D965" would be a 2SD965 Link2

5 amp current rating, and gain of >150 at 2 amps, that'll be a tricky one to substitute. There might be something in the ZTX series from Zetex.
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