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BUF420M Dataheets PDF



Part Number BUF420M
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
Datasheet BUF420M DatasheetBUF420M Datasheet (PDF)

® BUF420M HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s STMicroelectronics PREFERRED SALESTYPE s HIGH VOLTAGE CAPABILITY s VERY HIGH SWITCHING SPEED s MINIMUM LOT-TO-LOT SPREAD FOR )RELIABLE OPERATION t(ss LOW BASE-DRIVE REQUIREMENTS ucAPPLICATIONS: ds SWITCH MODE POWER SUPPLIES ros MOTOR CONTROL te PDESCRIPTION The BUF420M is manufactured using High leVoltage Multi Epitaxial Planar technology for high soswitching speeds and high voltage capacity. It buses a Cellular Emitter structure w.

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® BUF420M HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s STMicroelectronics PREFERRED SALESTYPE s HIGH VOLTAGE CAPABILITY s VERY HIGH SWITCHING SPEED s MINIMUM LOT-TO-LOT SPREAD FOR )RELIABLE OPERATION t(ss LOW BASE-DRIVE REQUIREMENTS ucAPPLICATIONS: ds SWITCH MODE POWER SUPPLIES ros MOTOR CONTROL te PDESCRIPTION The BUF420M is manufactured using High leVoltage Multi Epitaxial Planar technology for high soswitching speeds and high voltage capacity. It buses a Cellular Emitter structure with planar edge Otermination to enhance switching speeds while -maintaining a wide RBSOA. )The BUF series is designed for use in t(shigh-frequency power supplies and motor control capplications. 1 2 TO-3 (version "R") INTERNAL SCHEMATIC DIAGRAM Obsolete ProduABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VCEV Collector-Emitter Voltage (VBE = -1.5V) 850 V VCEO Collector-Emitter Voltage (IB = 0) 450 V VEBO Emitter-Base Voltage (IC = 0) 7V IC Collector Current 30 A ICM Collect.


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