aleph-3 transistor replace

space2000 · 27th June 2008, 01:07 AM

hi,

i want to understand about aleph-3 using the transistor MPSA18... which will be best replacement of this transistor?

MPSA18= (Replacement) 2N5551 or BC550c

thank you

Nelson Pass · 27th June 2008, 02:37 AM

Generic transistors work fine. The MPSA18 is a high gain device,
but anything over 100 will work.

space2000 · 27th June 2008, 11:05 AM

which one have high HFE......

2n5551 or BC550

thanks

Alain Dupont · 2nd July 2008, 07:26 AM

space2000,

BC550 hfe 270 > 520
2N5551 hfe 50 > 200

In your case the BC 550 will be fine.

Regards.

27th June 2008, 01:07 AM	#1
space2000 diyAudio Member Join Date: Mar 2008	aleph-3 transistor replace hi, i want to understand about aleph-3 using the transistor MPSA18... which will be best replacement of this transistor? MPSA18= (Replacement) 2N5551 or BC550c thank you

2nd July 2008, 07:26 AM	#4
Alain Dupont diyAudio Member Join Date: Sep 2003 Location: Paris - France	space2000, BC550 hfe 270 > 520 2N5551 hfe 50 > 200 In your case the BC 550 will be fine. Regards. __________________ Did live about 10 years in Canada Back to France since the 1st February 2007.

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27th June 2008, 02:37 AM	#2
Nelson Pass The one and only Join Date: Mar 2001	Generic transistors work fine. The MPSA18 is a high gain device, but anything over 100 will work.

27th June 2008, 11:05 AM	#3
space2000 diyAudio Member Join Date: Mar 2008	which one have high HFE...... 2n5551 or BC550 thanks

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