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2N3904 - Central Semiconductor

Description: Bipolar Transistors - BJT NPN Gen Pur SS

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PCB Footprints
2N3904 - Central Semiconductor PCB footprint - Other - Other - TO-92
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3D Models
2N3904 - Central Semiconductor  - 3D model - Other - TO-92
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2N3904 Details

  • Manufacturer Part Number:

    2N3904

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Transferred

  • Part Package Code:

    TO-92

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • Factory Lead Time:

    6 Weeks

  • Manufacturer:

    Central Semiconductor Corp

  • YTEOL:

    6.5

  • 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:

    e3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Polarity/Channel Type:

    NPN

  • Power Dissipation-Max (Abs):

    0.35 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    BOTTOM

  • 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 maximum operating temperature range for the 2N3904 is -55°C to 150°C.
  • Yes, the 2N3904 is suitable for high-frequency applications up to 100 MHz due to its high transition frequency (fT) of 300 MHz.
  • Yes, the 2N3904 can be used as a switch due to its high current gain (hFE) and low saturation voltage (VCE(sat)).
  • To ensure reliability, follow proper PCB design and layout guidelines, ensure adequate heat sinking, and operate the transistor within its recommended operating conditions.
  • Yes, the 2N3904 is compatible with automated assembly and soldering processes, including wave soldering and reflow soldering.

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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

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