Determining Ic saturation current for common emitter voltage-divider amplifier ..#2

Thread Starter

Sar1

Joined Mar 12, 2022
1
Hi
Can anyone tell me the deference between
In transistor the Ic sat =0
But
In circuit the Ic sat = the highest value???
 

Papabravo

Joined Feb 24, 2006
18,400
Hi
Can anyone tell me the deference between
In transistor the Ic sat =0
But
In circuit the Ic sat = the highest value???
A transistor cannot have a collector current of 0 and be in saturation. A collector current of 0, describes the condition of cutoff.
Try to rephrase your question in a more meaningful way.

Also, the maximum value that the collector current can have depends on the collector resistor. In saturation the collector current will be:

\( I_C\;\approx\;V_{cc}/R_c \)

It will be a little bit less than that value because, even in saturation, a typical transistor will have a Vce voltage drop 200 mV give or take a bit.
 
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