Part Image

BD437 - STMicroelectronics

Description: BD437, NPN Bipolar Transistor, 4 A 45 V HFE:30 Power, 3-Pin SOT-32

Download BD437 Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
BD437 - STMicroelectronics PCB footprint - Other - Other - SOT-32 (TO-126)_1
click to zoom
3D Models
BD437 - STMicroelectronics  - 3D model - Other - SOT-32 (TO-126)_1
click to zoom

BD437 Details

  • Manufacturer Part Number:

    BD437

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SIP

  • Package Description:

    PLASTIC PACKAGE-3

  • Pin Count:

    3

  • Country Of Origin:

    India

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.29.00.95

  • Date Of Intro:

    1980-01-04

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    9

  • Case Connection:

    ISOLATED

  • Collector Current-Max (IC):

    4 A

  • Collector-Emitter Voltage-Max:

    45 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    40

  • JEDEC-95 Code:

    TO-126

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Polarity/Channel Type:

    NPN

  • Power Dissipation Ambient-Max:

    36 W

  • Power Dissipation-Max (Abs):

    36 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    3 MHz

  • VCEsat-Max:

    0.6 V

BD437 Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the BD437 is 2.5W, but it can be increased to 4W with a suitable heat sink.
  • To ensure the stability of the output voltage, it is recommended to use a minimum output capacitance of 10uF and a maximum ESR of 1 ohm.
  • The recommended input capacitor value for the BD437 is 10uF to 22uF, with a voltage rating of 25V or higher.
  • Yes, the BD437 can operate in a high-temperature environment, but the maximum junction temperature should not exceed 150°C.
  • To protect the BD437 from overvoltage and undervoltage conditions, it is recommended to use a voltage supervisor or a reset IC to monitor the input voltage and reset the device if it falls outside the recommended operating range.

Trust Checks

This model has been built in collaboration with the manufacturer.
Manufacturer Collaborated
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

BD437 Overview

Use the download button to access the BD437 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search or try a keyword search, such as Other Transistors

About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

Parts related to BD437

Showing 0 results

BD437 Alternates

Showing results

Image Part Number Model
Part Image BD437S Fairchild Semiconductor Corporation

Power Bipolar Transistor, 4A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin

Part Image BD437 Samsung Semiconductor

Power Bipolar Transistor, 4A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin