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PN2222A - Central Semiconductor

Description: Bipolar Transistors - BJT NPN Gen Pur SW

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PN2222A - Central Semiconductor - PCB symbol
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PCB Footprints
PN2222A - Central Semiconductor PCB footprint - Other - Other - TO-92
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3D Models
PN2222A - Central Semiconductor - 3D model - Other - TO-92
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PN2222A Details

  • Manufacturer Part Number:

    PN2222A

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Transferred

  • Part Package Code:

    TO-92

  • Package Description:

    TO-92, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • Manufacturer:

    Central Semiconductor Corp

  • YTEOL:

    6.5

  • Collector Current-Max (IC):

    0.8 A

  • Collector-Emitter Voltage-Max:

    40 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    100

  • 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

  • Polarity/Channel Type:

    NPN

  • Power Dissipation-Max (Abs):

    0.625 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • 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):

    285 ns

  • Turn-on Time-Max (ton):

    35 ns

PN2222A Frequently Asked Questions (FAQs)

  • The PN2222A can operate safely between -55°C to 150°C, but the recommended operating temperature range is -40°C to 125°C for optimal performance.
  • While the PN2222A can be used as a switch, it's not ideal for high-frequency circuits due to its relatively high transition frequency (ft) of 300 MHz. For high-frequency applications, consider using a transistor with a higher ft.
  • To ensure proper biasing, use a voltage divider network to set the base voltage, and choose a collector resistor that provides the desired output impedance. Additionally, consider using a bypass capacitor to stabilize the emitter voltage.
  • The maximum collector current rating for the PN2222A is 600 mA. Exceeding this rating can lead to device failure or reduced lifespan.
  • Yes, the PN2222A can be used in a Darlington pair configuration to increase the current gain. However, be aware that this configuration will also increase the saturation voltage and reduce the switching speed.

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PN2222A Alternates

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Image Part Number Model
Part Image PN2222A Fairchild Semiconductor Corporation

Small Signal Bipolar Transistor, 1A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92
Part Image PN2222A/D74Z-J18Z Texas Instruments

1000mA, 40V, NPN, Si, SMALL SIGNAL TRANSISTOR
Part Image PN2222ARP Fairchild Semiconductor Corporation

Small Signal Bipolar Transistor, 1A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-92
Part Image PN2222A-J18Z Texas Instruments

1000mA, 40V, NPN, Si, SMALL SIGNAL TRANSISTOR
Part Image PN2222A/D89Z-J61Z Texas Instruments

40V, NPN, Si, SMALL SIGNAL TRANSISTOR, PLASTIC PACKAGE-3
For a full list of alternate parts for PN2222A, check out Findchips.com