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TIP125 - onsemi

Description: Obsolete - Medium Power PNP Darlington Bipolar Power Transistor

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Symbol
TIP125 - onsemi - PCB symbol
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PCB Footprints
TIP125 - onsemi PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO−220 CASE 221A ISSUE AK-ren1
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3D Models
TIP125 - onsemi - 3D model - Transistor Outline, Vertical - TO−220 CASE 221A ISSUE AK-ren1
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TIP125 Details

  • Manufacturer Part Number:

    TIP125

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-220-3

  • Package Description:

    PLASTIC, CASE 221A-09, 3 PIN

  • Pin Count:

    3

  • Manufacturer Package Code:

    340AT

  • ECCN Code:

    EAR99

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Case Connection:

    COLLECTOR

  • Collector Current-Max (IC):

    5 A

  • Collector-Emitter Voltage-Max:

    60 V

  • Configuration:

    DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

  • DC Current Gain-Min (hFE):

    1000

  • 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:

    PNP

  • Power Dissipation-Max (Abs):

    65 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    SINGLE

  • Transistor Application:

    AMPLIFIER

  • Transistor Element Material:

    SILICON

TIP125 Frequently Asked Questions (FAQs)

  • The maximum collector current that the TIP125 can handle is 5A, but it's recommended to keep it below 3A for reliable operation.
  • The base resistor value can be calculated using the formula Rb = (Vcc - Vbe) / (Ic / hFE), where Vcc is the supply voltage, Vbe is the base-emitter voltage, Ic is the collector current, and hFE is the current gain.
  • The maximum voltage that the TIP125 can handle is 60V, but it's recommended to keep it below 50V for reliable operation.
  • Yes, the TIP125 can be used as a switch, but it's not recommended due to its Darlington configuration, which can lead to slower switching times and higher power losses. A dedicated switch transistor like the TIP120 or TIP122 is recommended instead.
  • To protect the TIP125 from overheating, ensure good heat sinking, use a heat sink with a thermal resistance of less than 10°C/W, and keep the junction temperature below 150°C.

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TIP125 Overview

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TIP125 Alternates

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Image Part Number Model
Part Image TIP125 Panasonic Electronic Components

Power Bipolar Transistor, 5A I(C), 60V V(BR)CEO, 1-Element, PNP, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin
Part Image TIP125G onsemi

Power Bipolar Transistor, 5A I(C), 60V V(BR)CEO, 1-Element, PNP, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin
Part Image TIP125-BP Micro Commercial Components

Power Bipolar Transistor, 5A I(C), 60V V(BR)CEO, 1-Element, PNP, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin
Part Image TIP125 Baneasa SA

Power Bipolar Transistor, 5A I(C), 1-Element, PNP, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin
Part Image TIP125AN onsemi

Power Bipolar Transistor, 5A I(C), 60V V(BR)CEO, 1-Element, PNP, Silicon, Plastic/Epoxy, 3 Pin
For a full list of alternate parts for TIP125, check out Findchips.com