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AD149 Datasheet needed


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Hi jemina,

Welcome to our forum.

The AD149 is really old, save it as an antique.  ;)
I built my first bench PSU using an AD149 about 35 years ago! ;D

Here are some data for the AD149:

Description =  Ge PNP Power BJT

V(BR)CEO (V) = 30

V(BR)CBO (V) = 50

I© Abs.(A) Collector Current = 3.5

Absolute Max. Power Diss. (W) = 22

I(CBO) Max. (A) = 350u

h(FE) Min. Static Current Gain = 30

h(FE) Max. Current gain. = 100

@I© (A) (Test Condition) = 1.0

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

f(T) Min. (Hz) Transition Freq = 300k

Package = TO-3

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