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BD441 - STMicroelectronics

Description: STMicroelectronics BD441 NPN Bipolar Transistor, 4 A, 80 V, 3-Pin SOT-32

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Symbol
BD441 - STMicroelectronics - PCB symbol
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PCB Footprints
BD441 - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - SOT32
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3D Models
BD441 - STMicroelectronics - 3D model - Transistor Outline, Vertical - SOT32
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BD441 Details

  • Manufacturer Part Number:

    BD441

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SIP

  • Package Description:

    ROHS COMPLIANT 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:

    80 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    15

  • 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:

    NPN

  • 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:

    0.8 V

BD441 Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4553, which includes guidelines for thermal management, decoupling, and layout considerations to ensure optimal performance and minimize electromagnetic interference (EMI).
  • The BD441 datasheet provides a list of recommended external components, including capacitors, resistors, and inductors. Additionally, STMicroelectronics offers a dedicated tool, the STPOWER Studio, which helps designers select the optimal external components for their specific application.
  • The BD441 is rated for operation from -40°C to 150°C (TJ), but the maximum operating temperature range depends on the specific application and the thermal management design. It's essential to ensure proper heat sinking and thermal design to maintain a safe operating temperature.
  • The BD441 has a built-in overcurrent protection feature, which can be enabled by connecting the OCP pin to a resistor and capacitor network. The application note AN4553 provides a detailed example of how to implement overcurrent protection using the BD441.
  • The recommended startup sequence for the BD441 involves applying the input voltage (VIN) before enabling the device (EN pin). This ensures proper startup and prevents unwanted behavior. The datasheet provides a detailed description of the startup sequence.

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BD441 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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BD441 Alternates

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Image Part Number Model
Part Image BD441 SPC Multicomp

Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin
Part Image BD441STU Rochester Electronics LLC

4A, 80V, NPN, Si, POWER TRANSISTOR, TO-126
Part Image BD441 onsemi

Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-225AA, Plastic/Epoxy, 3 Pin
Part Image BD441 Micro Commercial Components

Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin
Part Image BD441STU Fairchild Semiconductor Corporation

Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin
For a full list of alternate parts for BD441, check out Findchips.com