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2N4222A - InterFET

Description: JFET N-Channel -30V Low Ciss

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2N4222A - InterFET - PCB symbol
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PCB Footprints
2N4222A - InterFET PCB footprint - Other - Other - TO-72_2022-9
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3D Models
2N4222A - InterFET - 3D model - Other - TO-72_2022-9
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2N4222A Details

  • Manufacturer Part Number:

    2N4222A

  • Part Life Cycle Code:

    Contact Manufacturer

  • ECCN Code:

    EAR99

  • Manufacturer:

    InterFET Corporation

  • Configuration:

    SINGLE

  • FET Technology:

    JUNCTION

  • Feedback Cap-Max (Crss):

    2 pF

  • Highest Frequency Band:

    VERY HIGH FREQUENCY BAND

  • JEDEC-95 Code:

    TO-72

  • JESD-30 Code:

    O-MBCY-W4

  • Number of Elements:

    1

  • Number of Terminals:

    4

  • Operating Mode:

    DEPLETION MODE

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    METAL

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Polarity/Channel Type:

    N-CHANNEL

  • Power Dissipation-Max (Abs):

    0.3 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Form:

    WIRE

  • Terminal Position:

    BOTTOM

  • Transistor Application:

    AMPLIFIER

  • Transistor Element Material:

    SILICON

2N4222A Frequently Asked Questions (FAQs)

  • The maximum safe operating temperature for the 2N4222A is 150°C, but it's recommended to operate it at a maximum junction temperature of 125°C for reliable performance.
  • While the 2N4222A can be used as a switch, its transition frequency (fT) is around 1.5 GHz, which may not be suitable for very high-frequency circuits. It's recommended to check the frequency response and switching characteristics before using it in such applications.
  • To ensure proper biasing, follow the recommended biasing circuit and voltage levels specified in the datasheet. Additionally, consider the device's current gain (hFE) and Early voltage (VA) when designing the amplifier circuit.
  • Store the 2N4222A in a dry, cool place, away from direct sunlight and moisture. Handle the device by the body, avoiding touching the leads or die to prevent electrostatic discharge (ESD) damage.
  • The 2N4222A has a maximum collector-emitter voltage (VCE) rating of 300V. While it can be used in high-voltage applications, ensure that the device is properly biased and that the voltage ratings are not exceeded to prevent damage or breakdown.

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