BUF420AW
Active
Education Design Win
High voltage fast-switching NPN power transistor

Download datasheet Order Direct

Product overview

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.

  • All features

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

EDA Symbols, Footprints and 3D Models

STMicroelectronics - BUF420AW

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Please select one model supplier :

Symbols

Symbols

Footprints

Footprints

3D model

3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Longevity Commitment Longevity Starting Date Material Declaration**
BUF420AW
Active
TO-247 Industrial Ecopack2 10 2024-06-10T00:00:00.000+02:00

BUF420AW

Package:

TO-247

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TO-247

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Swipe or click the button to explore more details Don't show this again
Budgetary Price (US$)*/Qty
min
max
BUF420AW Available at 5 distributors

Distributor availability ofBUF420AW

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 657 1 Buy from Distributor
FUTURE WORLDWIDE 300 0 Buy from Distributor
Newark Element14 AMERICA 59 0 Buy from Distributor
MOUSER WORLDWIDE 102 1 Buy from Distributor
Farnell Element14 EUROPE 583 1 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

657

Min.Order

1

Region

WORLDWIDE Buy from Distributor

FUTURE

Stock

300

Min.Order

0

Region

WORLDWIDE Buy from Distributor

Newark Element14

Stock

59

Min.Order

0

Region

AMERICA Buy from Distributor

MOUSER

Stock

102

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

583

Min.Order

1

Distributor reported inventory date: 2026-10-25

Active
TO-247 Tube SINGAPORE EAR99 NEC -65 150

BUF420AW Active

Part Number:

BUF420AW

Packing Type:

Tube

RoHS:

Country of Origin:

SINGAPORE

ECCN (EU):

NEC

Operating Temperature (°C)

Min:

-65

Max:

150

Distributor availability ofBUF420AW

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 657 1 Buy from Distributor
FUTURE WORLDWIDE 300 0 Buy from Distributor
Newark Element14 AMERICA 59 0 Buy from Distributor
MOUSER WORLDWIDE 102 1 Buy from Distributor
Farnell Element14 EUROPE 583 1 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

657

Min.Order

1

Region

WORLDWIDE Buy from Distributor

FUTURE

Stock

300

Min.Order

0

Region

WORLDWIDE Buy from Distributor

Newark Element14

Stock

59

Min.Order

0

Region

AMERICA Buy from Distributor

MOUSER

Stock

102

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

583

Min.Order

1

Distributor reported inventory date: 2026-10-25

Swipe or click the button to explore more details Don't show this again

(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors