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BUL49D - STMicroelectronics

Description: BUL49D, NPN Bipolar Transistor, 5 A 450 V HFE:4 Power, 3-Pin TO-220

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BUL49D - STMicroelectronics - PCB symbol
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PCB Footprints
BUL49D - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - (TO-220)
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3D Models
BUL49D - STMicroelectronics - 3D model - Transistor Outline, Vertical - (TO-220)
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BUL49D Details

  • Manufacturer Part Number:

    BUL49D

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-220AB

  • Package Description:

    ROHS COMPLIANT, TO-220, 3 PIN

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.29.00.95

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    8

  • Collector Current-Max (IC):

    5 A

  • Collector-Emitter Voltage-Max:

    450 V

  • Configuration:

    SINGLE WITH BUILT-IN DIODE

  • DC Current Gain-Min (hFE):

    4

  • 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

  • Polarity/Channel Type:

    NPN

  • Power Dissipation Ambient-Max:

    80 W

  • Power Dissipation-Max (Abs):

    80 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

  • Turn-off Time-Max (toff):

    1400 ns

  • VCEsat-Max:

    1.2 V

BUL49D Frequently Asked Questions (FAQs)

  • The BUL49D is a low-frequency transistor, and its maximum operating frequency is typically around 100 kHz to 200 kHz.
  • To ensure proper biasing, follow the recommended biasing circuit and component values provided in the datasheet. Additionally, consider the load impedance, supply voltage, and temperature range to optimize the transistor's performance.
  • The maximum power dissipation of the BUL49D is typically around 2W, but this can vary depending on the specific application and operating conditions. Be sure to check the datasheet for specific power dissipation ratings.
  • While the BUL49D can be used in switching applications, it's not the most suitable choice due to its relatively slow switching times and limited frequency range. Consider using a faster-switching transistor or a dedicated switch-mode transistor for high-frequency switching applications.
  • To prevent overheating, ensure proper heat sinking, use a suitable thermal interface material, and maintain a safe operating temperature range (typically up to 150°C). Also, consider using a heat sink or a thermal management system to dissipate heat efficiently.

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BUL49D 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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