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BU931P - STMicroelectronics

Description: Automotive-grade high voltage ignition coil driver NPN power Darlington transistor

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BU931P - STMicroelectronics - PCB symbol
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PCB Footprints
BU931P - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-247_202
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BU931P - STMicroelectronics - 3D model - Transistor Outline, Vertical - TO-247_202
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BU931P Details

  • Manufacturer Part Number:

    BU931P

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-218

  • Package Description:

    TO-218, 3 PIN

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.29.00.95

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Collector Current-Max (IC):

    15 A

  • Collector-Emitter Voltage-Max:

    400 V

  • Configuration:

    DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

  • DC Current Gain-Min (hFE):

    300

  • JEDEC-95 Code:

    TO-218

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    175 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Polarity/Channel Type:

    NPN

  • Power Dissipation Ambient-Max:

    135 W

  • Power Dissipation-Max (Abs):

    105 W

  • Qualification Status:

    Not Qualified

  • Reference Standard:

    AEC-Q101

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

  • VCEsat-Max:

    1.8 V

BU931P Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the BU931P is 2.7V to 5.5V, although it can tolerate up to 6V for short periods.
  • To minimize power consumption, ensure that the EN pin is driven low, and the VIN pin is decoupled from the power source. Additionally, disconnect the output capacitor from the load to prevent back-feeding.
  • The BU931P can deliver up to 1A of output current, but it's recommended to limit the output current to 500mA for optimal performance and thermal management.
  • The output capacitor value depends on the output voltage and load requirements. A general guideline is to use a capacitor with a value between 10uF to 22uF, with a voltage rating of at least 1.5 times the output voltage.
  • The EN (Enable) pin is used to enable or disable the BU931P. Drive the EN pin high to enable the device, and drive it low to disable it. The EN pin can be connected to a logic signal or a switch to control the power state.

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BU931P Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like BU931, or try a keyword search, such as Power Bipolar 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

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