2N3440

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...