Details, datasheet, quote on part number: BUF420AI
PartBUF420AI
CategoryDiscrete => Transistors => Bipolar => High Voltage => Switching
TitleSwitching
DescriptionHigh Voltage Fast-switching NPN Power Transistors
CompanyST Microelectronics, Inc.
DatasheetDownload BUF420AI datasheet
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Features, Applications

STMicroelectronics PREFERRED SALESTYPE HIGH VOLTAGE CAPABILITY VERY HIGH SWITCHING SPEED MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION LOW BASE-DRIVE REQUIREMENTS

APPLICATIONS: s SWITCH MODE POWER SUPPLIES s MOTOR CONTROL DESCRIPTION The BUF420M 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.

Symbol V CEV V CEO V EBO BM P tot T stg Tj Parameter Collector-Emitter Voltage = -1.5V) Collector-Emitter Voltage = 0) Emitter-Base Voltage = 0) Collector Current Collector Peak Current < 5 ms) Base Current Base Peak Current < 5 ms) Total Dissipation o C Storage Temperature Max. Operating Junction Temperature Value to 200 Unit

ELECTRICAL CHARACTERISTICS (Tcase 25 oC unless otherwise specified)

Symbol I CER I CEV IEBO Parameter Collector Cut-off Current 5 ) Collector Cut-off Current = -1.5V) Emitter Cut-off Current = 0) Test Conditions o C Min. Typ. Max. Unit mA V

V CEO(sus) Collector-Emitter Sustaining Voltage 0) V EBO VCE(sat) Emitter Base Voltage = 0) Collector-Emitter Saturation Voltage

Collector-Emitter Dynamic Voltage Collector-Emitter Dynamic Voltage INDUCTIVE LOAD Storage Time Fall Time Cross Over Time INDUCTIVE LOAD Storage Time Fall Time Cross Over Time Maximum Collector Emitter Voltage without Snubber INDUCTIVE LOAD Storage Time Fall Time Cross Over Time

Symbol tc V CEW Parameter INDUCTIVE LOAD Storage Time Fall Time Cross Over Time Maximum Collector Emitter Voltage without Snubber INDUCTIVE LOAD Storage Time Fall Time Cross Over Time INDUCTIVE LOAD Storage Time Fall Time Cross Over Time Maximum Collector Emitter Voltage without Snubber Test Conditions 0 V clamp -5 V clamp V BB clamp mH I CWoff 400 500 Min. Typ. Max. 0.15 0.25 Unit s V


 

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