BUF420AW

www.DataSheet4U.com ® BUF420AW HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s s s s s STMicroelectronics PREFERRED SALESTYPE HIGH VOLTAGE CAPABILITY VERY HIGH SWITCHING SPEED MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION LOW BASE-DRIVE REQUIREMENTS 3 2 1 APPLICATIONS: SWITCH MODE POWER SUPPLIES s MOTOR CONTROL s DESCRIPTION The BUF420AW is manufactured using High Voltage Multi Epitaxial Planar technology for high switching speeds and high voltage capacity. It uses a Cellular Emitter structure with planar edge termination to enhance switching speeds while maintaining a wide RBSOA. The BUF series is designed for use in high-frequency power supplies and motor control applications. TO-247 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol V CEV V CEO V EBO IC I CM IB I BM P tot T stg Tj Parameter Collector-Emitter Voltage (V BE = -1.5V) Collector-Emitter Voltage (I B = 0) Emitter-Base Voltage (I C = 0) Collector Current Collector Peak Current (t p < 5 ms) Base Current Base Peak Current (t p < 5 ms) Total Dissipation at T c = 25 C Storage Temperature Max. Operating Junction Temperature o Value 1000 450 7 30 60 6 9 200 -65 to 150 150 Unit V V V A A A A W o o C C March 2002 1/8 BUF420AW THERMAL DATA R thj-case Thermal Resistance Junction-Case Max 0.63 o C/W ELECTRICAL CHARACTERISTICS (Tcase = 25 oC unless otherwise specified) Symbol I CER I CEV IEBO Parameter Collector Cut-off Current (R BE = 5 Ω) Collector Cut-off Current (V BE = -1.5V) Emitter Cut...