V
CE
- Collector-Emitter Voltage - (V)
10 1001
Maximum Power Dissipation - (W)
0.8
0.6
0.4
0.2
1.0
R
S≤
10k
Ω
R
S
=47k
Ω
R
S
=1M
Ω
R
S
=
∞
3-22
The maximum permissable operational
temperature can be obtained using the
equation:
T
( )
=
Power (max ) −Power (actual )
0.0057
+ 25° C
T
amb(max)
= Maximum operating ambient
temperature
Power (max) = Maximum power
dissipation figure, for a given V
CE
and
source resistance (R
S
)
Power (actual) = Actual power dissipation
in users circuit
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