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BD646 - Bourns

Description: Darlington Transistors 62.5W PNP Silicon

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Symbol
BD646 - Bourns - PCB symbol
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PCB Footprints
BD646 - Bourns PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-220AB_
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3D Models
BD646 - Bourns - 3D model - Transistor Outline, Vertical - TO-220AB_
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BD646 Details

  • Manufacturer Part Number:

    BD646

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-220AB

  • Package Description:

    PLASTIC, TO-220, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    0

  • Case Connection:

    COLLECTOR

  • Collector Current-Max (IC):

    8 A

  • Collector-Emitter Voltage-Max:

    60 V

  • Configuration:

    DARLINGTON

  • DC Current Gain-Min (hFE):

    750

  • JEDEC-95 Code:

    TO-220AB

  • JESD-30 Code:

    R-PSFM-T3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Polarity/Channel Type:

    PNP

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

  • Transistor Element Material:

    SILICON

BD646 Frequently Asked Questions (FAQs)

  • A good PCB layout for the BD646 should ensure that the input and output pins are separated as much as possible to minimize coupling. Additionally, a ground plane should be used to reduce noise and electromagnetic interference (EMI).
  • The BD646 has built-in overvoltage protection (OVP) that limits the output voltage to a safe level in case of an overvoltage event. However, it's still recommended to add external OVP circuitry for added protection.
  • The BD646 can operate safely within a temperature range of -40°C to +125°C. However, the device's performance may degrade at extreme temperatures, and it's recommended to operate within a range of -20°C to +85°C for optimal performance.
  • Yes, the BD646 is suitable for high-reliability applications due to its robust design and construction. However, it's essential to follow proper design and manufacturing guidelines to ensure the device meets the required reliability standards.
  • The BD646 is designed to meet EMC standards, but it's still important to follow proper PCB layout and design guidelines to minimize EMI and ensure compliance with relevant EMC regulations.

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BD646 Overview

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BD646 Alternates

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Part Image BD646 JW Miller

POWER TRANSISTOR, TO-220, TO-220, 3 PIN