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SMP4338 - InterFET

Description: JFET N-Channel -50V 1.5mA -30Vgss

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Symbol
SMP4338 - InterFET - PCB symbol
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PCB Footprints
SMP4338 - InterFET PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - SOT23 (TO-236AB)
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3D Models
SMP4338 - InterFET - 3D model - SOT23 (3-Pin) - SOT23 (TO-236AB)
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SMP4338 Details

  • Manufacturer Part Number:

    SMP4338

  • Part Life Cycle Code:

    Contact Manufacturer

  • ECCN Code:

    EAR99

  • Manufacturer:

    InterFET Corporation

  • Configuration:

    SINGLE

  • Drain-source On Resistance-Max:

    2500 Ω

  • FET Technology:

    JUNCTION

  • Feedback Cap-Max (Crss):

    3 pF

  • JEDEC-95 Code:

    TO-236

  • JESD-30 Code:

    R-PDSO-G3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Mode:

    DEPLETION MODE

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Polarity/Channel Type:

    N-CHANNEL

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

SMP4338 Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output traces as short as possible and use 50-ohm transmission lines to minimize signal reflections.
  • The SMP4338 requires a bias voltage of 5V and a current of 10mA. Ensure the bias circuit is designed to provide a stable voltage and current to the device. A voltage regulator and a current limiting resistor can be used to achieve this.
  • The SMP4338 can handle up to 2W of input power. Exceeding this limit may result in device damage or degradation. Ensure the input power is limited to prevent damage to the device.
  • Use a spectrum analyzer to measure the output signal and check for any spurious signals or distortion. Verify the bias voltage and current are within the recommended range. Check the PCB layout for any signal integrity issues or electromagnetic interference (EMI).
  • Yes, the SMP4338 can be used in a push-pull configuration to improve linearity and reduce distortion. However, ensure the devices are properly matched and biased to achieve optimal performance.

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SMP4338 Overview

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