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BUL38D - STMicroelectronics

Description: High voltage fast-switching NPN power transistor

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PCB Footprints
BUL38D - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - 3-Pin TO-220
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BUL38D - STMicroelectronics  - 3D model - Transistor Outline, Vertical - 3-Pin TO-220
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BUL38D Details

  • Manufacturer Part Number:

    BUL38D

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-220AB

  • Package Description:

    TO-220, 3 PIN

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.29.00.95

  • Factory Lead Time:

    14 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    9

  • Collector Current-Max (IC):

    5 A

  • Collector-Emitter Voltage-Max:

    450 V

  • Configuration:

    SINGLE WITH BUILT-IN DIODE

  • DC Current Gain-Min (hFE):

    10

  • JEDEC-95 Code:

    TO-220AB

  • 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:

    80 W

  • Power Dissipation-Max (Abs):

    70 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

  • Turn-off Time-Max (toff):

    1900 ns

  • VCEsat-Max:

    1.1 V

BUL38D Frequently Asked Questions (FAQs)

  • The BUL38D can operate from -40°C to 150°C, making it suitable for high-reliability applications.
  • To ensure proper biasing, connect the base of the transistor to a voltage divider network that provides a stable voltage reference, and ensure the collector-emitter voltage is within the recommended range.
  • To minimize thermal resistance, use a thermal pad on the PCB, and ensure the transistor is mounted on a heat sink or thermal interface material. Keep the thermal path as short as possible and avoid thermal vias.
  • Yes, the BUL38D can be used in switching applications, but be aware of the maximum switching frequency (typically 100 kHz) and ensure the transistor is properly biased to avoid overheating.
  • Use ESD protection devices, such as TVS diodes or ESD protection arrays, on the PCB to protect the BUL38D from electrostatic discharge. Handle the device by the body, not the pins, and use an anti-static wrist strap or mat when handling the device.

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BUL38D 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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