Transistor sub for Toshiba 2SA561 - diyAudio
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Old 20th April 2008, 04:08 AM   #1
PJdiy is offline PJdiy  United States
diyAudio Member
Join Date: Feb 2008
Question Transistor sub for Toshiba 2SA561

Can anyone suggest a replacement for this transistor?
I am not sure of the best one: Fairchild BC557?

Any assistance would be appreciated.
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Old 21st April 2008, 09:57 PM   #2
PJdiy is offline PJdiy  United States
diyAudio Member
Join Date: Feb 2008
Specs are here:

V(BR)CEO (V)=50

V(BR)CBO (V)=50

I(C) Abs.(A) Collector Current=150m

Absolute Max. Power Diss. (W)=300m

h(FE) Min. Static Current Gain=240

@I(C) (A) (Test Condition)=20m

@V(CE) (V) (Test Condition)=1.0

C(obo) (Max) (F)=13p


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