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2N4237 2N4238 2N4239
CASE 079-02, STYLE 1
TO-39 (TO-205AD)
GENERAL PURPOSE TRANSISTOR
NPN SILICON
MAXIMUM RATINGS
Rating
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Base Current
—Collector Current Continuous
Total Device Dissipation
@ TA = 25°C
Derate above 25°C
Total Device Dissipation
@ TC = 25°C
Derate above 25°C
Operating and Storage Junction Temperature Range
Symbol 2N4237 2N4238 2N4239 Unit
VCEO vCBO v EBO
'B
ic
40 50
60 80 6.0 500 1.0 3.0*
80 Vdc 100 Vdc
Vdc Vdc Adc
PD 1.0 Watt 5.3 mW/°C
Pd TJ. Tstg
6.0 34
- 65 to + 200
Watts mW/°C
°C
THERMAL CHARACTERISTICS
Characteristic "Thermal Resistance, Junction to Case
Symbol R&jc
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted.
2N4237 Datasheet
