2N3439 ® 2N3440
SILICON NPN TRANSISTORS
s STMicroelectronics PREFERRED SALESTYPES
s NPN TRANSISTOR
DESCRIPTION The 2N3...
2N3439 ® 2N3440
SILICON NPN TRANSISTORS
s STMicroelectronics PREFERRED SALESTYPES
s NPN TRANSISTOR
DESCRIPTION The 2N3439 and 2N3440 are silicon epitaxial planar NPN transistors in jedec TO-39 metal case designed for use in consumer and industrial line-operated applications. These devices are particularly suited as drivers in high-
voltage low current inverters, switching and series regulators.
TO-39
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
VCBO VCEO VEBO
IC IB Ptot Ptot Tstg Tj
Collector-Base
Voltage (IE = 0) Collector-Emitter
Voltage (IB = 0) Emitter-Base
Voltage (IC = 0) Collector Current
Base Current Total Dissipation at Tc ≤ 25 oC Total Dissipation at Tamb ≤ 50 oC Storage Temperature
Max. Operating Junction Temperature
December 2000
Value
2N3439
2N3440
450 300
350 250
7
1
0.5
10
1
-65 to 200
200
Unit
V V V A A W W oC oC
1/4
2N3439 / 2N3440
THERMAL DATA
Rthj-case Thermal Resistance Junction-case Rthj-amb Thermal Resistance Ju...