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HIGH VOLTAGE NPN TRANSISTORS
2N3439 / 2N3440
Hermetic TO39 Package High Voltage Ideally suited for drivers in high voltage low current inverters, switching and series regulators High Reliability Screening Options Available
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise stated)
Symbols Parameters
VCBO VCEO VEBO IC IB PD
Collector – Base Voltage Collector – Emitter Voltage Emitter – Base Voltage Collector Current – Continuous Base Current Total Power Dissipation at
TC= 25°C
Derate Above 25°C
PD Total Power Dissipation at
TA= 25°C
Derate Above 25°C
TJ Junction Temperature Range Tstg Storage Temperature Range
2N3439
2N3440
450V
300V
350V
250V
7V
1.0A
0.5A
5W
28.57mW/°C
1.0W
5.71mW/°C
-65 to +200°C
-65 to +200°C
THERMAL PROPERTIES Symbols Parameters RθJA Thermal Resistance, Junction To Ambient RθJC Thermal Resistance, Junction To Case
Max. 175 35
Units °C/W °C/W
Semelab Limited reserves the right to change test conditions, parameter li.