need substitute of 2sc5200 in TO-3 case,2sc5200 is working properly but there are no extra space to install it on heat sink.
I bought some MJ21194G (TO-3) from Mouser recently. They are 250V 16A 250W devices, they should be OK to substitute 2SC5200. 2SC5200 is a bit faster (fT=30MHz), MJ21194G is only 4MHz but 4MHz is plenty for audio application.
The following post may contain the answer:
http://www.diyaudio.com/forums/solid-state/160777-replacement-70s-vintage-japanese-3-a.html
Spec of 2ST5949 is very similar to 2SC5200 and it is available from Digikey: Digi-Key - 497-6953-ND (Manufacturer - 2ST5949)
http://www.diyaudio.com/forums/solid-state/160777-replacement-70s-vintage-japanese-3-a.html
Spec of 2ST5949 is very similar to 2SC5200 and it is available from Digikey: Digi-Key - 497-6953-ND (Manufacturer - 2ST5949)
I have the same issue. Are you pleased with your substitute? I also need the complementary in TO3 for 2SA1943!thank you sir sng001
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