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2N3904 - onsemi

Description: Obsolete - NPN Bipolar Transistor, TO-92

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2N3904 - onsemi PCB footprint - Other - Other - TO254P508X877-3
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2N3904 - onsemi  - 3D model - Other - TO254P508X877-3
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2N3904 Details

  • Manufacturer Part Number:

    2N3904

  • Brand Name:

    onsemi

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-92 (TO-226) 5.33mm Body Height

  • Package Description:

    TO-226, 3 PIN

  • Pin Count:

    3

  • Manufacturer Package Code:

    29-11

  • ECCN Code:

    EAR99

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Collector Current-Max (IC):

    0.2 A

  • Collector-Emitter Voltage-Max:

    40 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    30

  • JEDEC-95 Code:

    TO-92

  • JESD-30 Code:

    O-PBCY-T3

  • JESD-609 Code:

    e0

  • 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):

    235

  • Polarity/Channel Type:

    NPN

  • Power Dissipation-Max (Abs):

    0.35 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    BOTTOM

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

    30

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    300 MHz

  • Turn-off Time-Max (toff):

    250 ns

  • Turn-on Time-Max (ton):

    70 ns

2N3904 Frequently Asked Questions (FAQs)

  • The 2N3904 can operate safely between -55°C to 150°C, but the recommended operating temperature range is -40°C to 125°C.
  • To ensure linear operation, the 2N3904 should be biased with a collector-emitter voltage (Vce) between 2V to 10V, and a base-emitter voltage (Vbe) around 0.7V. The collector current (Ic) should be limited to the recommended maximum value.
  • The maximum collector current (Ic) for the 2N3904 is 200mA. Exceeding this value can lead to device damage or failure.
  • Yes, the 2N3904 can be used as a switch, but it's not recommended due to its relatively low current handling capability and limited power dissipation. For switching applications, consider using a transistor with higher current and power ratings.
  • To protect the 2N3904 from ESD, handle the device by the body, use an anti-static wrist strap or mat, and store the device in an anti-static bag or container. Avoid touching the device's pins or leads with bare hands.

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2N3904 Overview

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2N3904 Alternates

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Image Part Number Model
Part Image 2N3904APPLEADFREE Central Semiconductor Corp

Small Signal Bipolar Transistor, 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92

Part Image 2N3904RA Fairchild Semiconductor Corporation

Small Signal Bipolar Transistor, 0.2A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92

Part Image 2N3904/D74Z Texas Instruments

200mA, 40V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92

Part Image 2N3904 Toshiba America Electronic Components

Small Signal Bipolar Transistor, 0.2A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92

Part Image 2N3904,116 NXP Semiconductors

Small Signal Bipolar Transistor, 0.2A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92

For a full list of alternate parts for 2N3904, check out Findchips.com