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BD434 - STMicroelectronics

Description: Complementary silicon power transistors PNP SOT-32 -65 to 150 o C,22V ,Through Hole

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BD434 - STMicroelectronics - PCB symbol
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PCB Footprints
BD434 - STMicroelectronics PCB footprint - Other - Other - SOT-32 (TO-126)_2025-1.5
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3D Models
BD434 - STMicroelectronics - 3D model - Other - SOT-32 (TO-126)_2025-1.5
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BD434 Details

  • Manufacturer Part Number:

    BD434

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SIP

  • Package Description:

    PLASTIC PACKAGE-3

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.29.00.95

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Case Connection:

    ISOLATED

  • Collector Current-Max (IC):

    4 A

  • Collector-Emitter Voltage-Max:

    22 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    50

  • 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

  • Polarity/Channel Type:

    PNP

  • Power Dissipation Ambient-Max:

    36 W

  • Power Dissipation-Max (Abs):

    36 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    3 MHz

  • VCEsat-Max:

    0.5 V

BD434 Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the BD434 is 4.5V to 18V, although it can tolerate up to 20V for short periods.
  • To ensure stable operation in high-temperature environments, it's essential to provide adequate heat sinking and follow the recommended thermal management guidelines in the datasheet.
  • The maximum current rating for the BD434 is 3A, but it's recommended to derate the current based on the ambient temperature and thermal resistance of the package.
  • Yes, the BD434 can be used as a high-side switch, but it's essential to ensure that the input voltage is within the recommended range and that the device is properly biased.
  • To protect the BD434 from overvoltage and overcurrent conditions, it's recommended to use external protection circuits, such as voltage regulators, current limiters, and TVS diodes, in addition to following proper PCB design and layout practices.

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BD434 Overview

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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

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