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BD677 - STMicroelectronics

Description: BD677, Darlington Transistor, NPN 4 A 60 V HFE:750, 3-Pin, SOT-32

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PCB Footprints
BD677 - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - SOT-32 (TO-126)
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3D Models
BD677 - STMicroelectronics  - 3D model - Transistor Outline, Vertical - SOT-32 (TO-126)
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BD677 Details

  • Manufacturer Part Number:

    BD677

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SIP

  • Package Description:

    ROHS COMPLIANT PACKAGE-3

  • Pin Count:

    3

  • Country Of Origin:

    India

  • ECCN Code:

    EAR99

  • HTS Code:

    8541.29.00.95

  • Factory Lead Time:

    14 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    9

  • Case Connection:

    ISOLATED

  • Collector Current-Max (IC):

    4 A

  • Collector-Emitter Voltage-Max:

    60 V

  • Configuration:

    DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

  • DC Current Gain-Min (hFE):

    750

  • 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:

    40 W

  • Power Dissipation-Max (Abs):

    40 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

  • Transition Frequency-Nom (fT):

    10 MHz

  • VCEsat-Max:

    2.5 V

BD677 Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the BD677 is 2W, but it can be increased to 4W with a suitable heat sink.
  • To ensure stable operation, it's recommended to use a heat sink with a thermal resistance of less than 10°C/W and to keep the junction temperature below 150°C.
  • The recommended input capacitor value is 10uF to 22uF, with a voltage rating of at least 25V.
  • Yes, the BD677 can be used in switching regulator applications, but it's essential to ensure that the device is properly bypassed and that the input voltage is within the recommended range.
  • To protect the BD677, use a voltage clamp or a zener diode to limit the input voltage, and consider adding overcurrent protection using a fuse or a current-sensing resistor.

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BD677 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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Part Image BD677 Continental Device India Ltd

Power Bipolar Transistor, 4A I(C), 60V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin

Part Image BD677 onsemi

Power Bipolar Transistor, 4A I(C), 60V V(BR)CEO, 1-Element, NPN, Silicon, TO-225AA, Plastic/Epoxy, 3 Pin

Part Image BD677A onsemi

Power Bipolar Transistor, 4A I(C), 60V V(BR)CEO, 1-Element, NPN, Silicon, TO-225AA, Plastic/Epoxy, 3 Pin

Part Image BD677A Fairchild Semiconductor Corporation

Power Bipolar Transistor, 4A I(C), 60V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin

Part Image BD677 Crimson Semiconductor Inc

Power Bipolar Transistor, 4A I(C), 60V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin

For a full list of alternate parts for BD677, check out Findchips.com