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BUF420 - HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR

General Description

The BUF420 and BUF420M are manufactured using High Voltage Multi Epitaxial Planar technology for high switching speeds and high voltage capacity.

They use a Cellular Emitter structure with planar edge termination to enhance switching speeds while maintaining a wide RBSOA.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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BUF420 BUF420M HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR s s s s s s SGS-THOMSON PREFERRED SALESTYPES NPN TRANSISTOR HIGH VOLTAGE CAPABILITY VERY HIGH SWITCHING SPEED MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION LOW BASE-DRIVE REQUIREMENTS 3 2 1 APPLICATIONS: s SWITCH MODE POWER SUPPLIES s MOTOR CONTROL DESCRIPTION The BUF420 and BUF420M are manufactured using High Voltage Multi Epitaxial Planar technology for high switching speeds and high voltage capacity. They use 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. 1 2 TO-3 (version ”R”) TO-218 INTERNAL SCHEMATIC DIAGRAM For TO-3 : C = Tab E = Pin2.