Re: Power Transistor
- From: Eeyore <rabbitsfriendsandrelations@xxxxxxxxxxx>
- Date: Mon, 04 Jun 2007 04:07:10 GMT
me wrote:
I understand most of this, but am not sure about:
V(BR)CEO (V) = 150
It means breakdown voltage across the collector and emitter with the base terminal
open.
Some manufacturers also quote Vcer and Vcev Which are respectively with a resistor (of
specified value) between base and emitter, and a specified reverse bias voltage on the
base wrt to emitter. Thse values will be a bit higher than Vceo.
V(BR)CBO (V) = 150
Are these max voltages above which the thing breaks?
Vcbo is rather less useful normally. Breakdown is measured as a specific leakage
current.
I(C) Abs.(A) Collector Current = 12
Does this mean that it could switch 12 Amps?
Maximum, taking all other parameters into consideration.
f(T) Min. (Hz) Transition Freq = 15M
Not sure what this means.
fT is the requency at which the device no longer has current gain, measured in an
emitter follower configuration IIRC.
Graham
.
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