Replacement for transistor BD370B

hfxrzw · 13th June 2009, 03:27 PM

Hi, hope you can help me. I need to replace two BD370B transistors and understand that they are obsolete. Is there anybody that can recommend me a current replacement and possibly an address in the UK I can get them (only need 3)?
Many thanks, Rene.

mjf · 14th June 2009, 01:50 PM

hello.
this is a pnp af - driver transistor.......60v/1,5a/2,5w/hfe=100.....400/min. 50 meghz/ c b e
i think there are some transistors that will work (perhaps a bd138-16 or bd140-16 could do it........).but the problem is the transistor case and the pin layout,it is a rare case and all substitutes have different................
and if your bd370 is mounted on a heat sink you will have to isolate the new ones (mica or silicone).........
what is the application you need them?
greetings...............

Spiny · 14th June 2009, 02:03 PM

Quote:

Originally posted by hfxrzw
Hi, hope you can help me. I need to replace two BD370B transistors and understand that they are obsolete. Is there anybody that can recommend me a current replacement and possibly an address in the UK I can get them (only need 3)?
Many thanks, Rene.

Hi
try Cricklewood Electronics

Cricklewood

They have some BD370C which will do (its a slightly higher voltage version) should be a straight swap

hfxrzw · 4th July 2009, 12:00 PM

Thanks Team, ordered the parts from Crickle.....

13th June 2009, 03:27 PM	#1
hfxrzw diyAudio Member Join Date: Apr 2006 Location: Scotland	Replacement for transistor BD370B Hi, hope you can help me. I need to replace two BD370B transistors and understand that they are obsolete. Is there anybody that can recommend me a current replacement and possibly an address in the UK I can get them (only need 3)? Many thanks, Rene.

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14th June 2009, 01:50 PM	#2
mjf diyAudio Member Join Date: Jan 2009 Location: upper austria/near linz	hello. this is a pnp af - driver transistor.......60v/1,5a/2,5w/hfe=100.....400/min. 50 meghz/ c b e i think there are some transistors that will work (perhaps a bd138-16 or bd140-16 could do it........).but the problem is the transistor case and the pin layout,it is a rare case and all substitutes have different................ and if your bd370 is mounted on a heat sink you will have to isolate the new ones (mica or silicone)......... what is the application you need them? greetings...............

4th July 2009, 12:00 PM	#4
hfxrzw diyAudio Member Join Date: Apr 2006 Location: Scotland	Thanks Team, ordered the parts from Crickle.....

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