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Old 23rd January 2009, 06:36 PM   #1
cla6665 is offline cla6665  United States
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Join Date: Jan 2009
Default Help please

Hi there, I am looking in to replacing the power transistor on a vintage Marantz receiver(4270). I can't find the original ones ( they are Hitachi 2SC897B). Does anybody know where I can find them or what would be a good replacement.
Thank you very much
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Old 23rd January 2009, 08:18 PM   #2
lineup is offline lineup  Sweden
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Join Date: Dec 2005
Location: the north
Si NPN Power BJT

V(BR)CEO (V)=90
V(BR)CBO (V)=150
I(C) Abs.(A) Collector Current=7.0
Absolute Max. Power Diss. (W)=60
I(CBO) Max. (A)=1.0m
h(FE) Min. Static Current Gain=25
h(FE) Max. Current gain.=200
@I(C) (A) (Test Condition)=1.0
@V(CE) (V) (Test Condition)=5.0
f(T) Min. (Hz) Transition Freq=15M
According to Transistor Substitution Data Book 1993
drop in replacements can be: 2SD427 or 2SD895

This is where I did my search:
using this link
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