BUF420M
BUF420M is HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR manufactured by STMicroelectronics.
® 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 uc APPLICATIONS: ds SWITCH MODE POWER SUPPLIES ros MOTOR CONTROL te PDESCRIPTION
The BUF420M is manufactured using High le Voltage 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 Produ ABSOLUTE 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...
