BD437
Active
Education Design Win
Low voltage power transistor

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Product overview

Description

The BD433, BD435, and BD437 are silicon epitaxial-base NPN power transistors in Jedec SOT-32 plastic package, intented for use in medium power linear and switching applications.

The BD433 is especially suitable for use in car-radio output stages.

The complementary PNP types are BD434, BD436, and BD438 respectively.

  • All features

    • STMicroelectronics PREFERRED SALESTYPE
    • COMPLEMENTARY PNP - NPN DEVICES

EDA Symbols, Footprints and 3D Models

STMicroelectronics - BD437

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.

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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**
BD437
Active
SOT-32 Industrial Ecopack1 10 2024-06-10T00:00:00.000+02:00

BD437

Package:

SOT-32

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT-32

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) 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

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Budgetary Price (US$)*/Qty
BD437 Available at 4 distributors

Distributor availability ofBD437

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2464 1 Buy from Distributor
MOUSER WORLDWIDE 6624 1 Buy from Distributor
Farnell Element14 EUROPE 769 1 Buy from Distributor
ANGLIA Live EUROPE 20050 50 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

2464

Min.Order

1

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

6624

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

769

Min.Order

1

ANGLIA Live

Stock

20050

Min.Order

50

Distributor reported inventory date: 2026-10-25

Active
SOT-32 Tube INDIA EAR99 NEC

BD437 Active

Part Number:

BD437

Packing Type:

Tube

RoHS:

Country of Origin:

INDIA

ECCN (EU):

NEC

Operating Temperature (°C)

Min:

-

Max:

-

Distributor availability ofBD437

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2464 1 Buy from Distributor
MOUSER WORLDWIDE 6624 1 Buy from Distributor
Farnell Element14 EUROPE 769 1 Buy from Distributor
ANGLIA Live EUROPE 20050 50 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

2464

Min.Order

1

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

6624

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

769

Min.Order

1

ANGLIA Live

Stock

20050

Min.Order

50

Distributor reported inventory date: 2026-10-25

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(*) 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