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2N4123 - Texas Instruments

Description: Bipolar (BJT) Transistor NPN 30 V 200 mA 250MHz 1.5 W Through Hole TO-92

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PCB Footprints
2N4123 - Texas Instruments PCB footprint - Other - Other - TO-92_2025-1.3
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3D Models
2N4123 - Texas Instruments  - 3D model - Other - TO-92_2025-1.3
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2N4123 Details

  • Manufacturer Part Number:

    2N4123

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Collector Current-Max (IC):

    0.2 A

  • Collector-Emitter Voltage-Max:

    30 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    25

  • JEDEC-95 Code:

    TO-92

  • JESD-30 Code:

    O-PBCY-W3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Polarity/Channel Type:

    NPN

  • Power Dissipation-Max (Abs):

    0.35 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Form:

    WIRE

  • Terminal Position:

    BOTTOM

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

    NOT SPECIFIED

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    250 MHz

  • Turn-off Time-Max (toff):

    32 ns

  • Turn-on Time-Max (ton):

    22 ns

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2N4123 Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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2N4123 Alternates

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Part Image 2N4123BU Rochester Electronics LLC

Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92

Part Image 2N4123J05Z Fairchild Semiconductor Corporation

Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon

Part Image 2N4123TA Fairchild Semiconductor Corporation

Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92

Part Image 2N4123-T/R NXP Semiconductors

Small Signal Bipolar Transistor, 0.2A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92

Part Image 2N4123TRELEADFREE Central Semiconductor Corp

Small Signal Bipolar Transistor, 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92

For a full list of alternate parts for 2N4123, check out Findchips.com