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2N5457 - onsemi

Description: Obsolete - Small Signal JFET N-Channel

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2N5457 - onsemi - PCB symbol
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PCB Footprints
2N5457 - onsemi PCB footprint - Other - Other - TO127P254X732-3
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3D Models
2N5457 - onsemi - 3D model - Other - TO127P254X732-3
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2N5457 Details

  • Manufacturer Part Number:

    2N5457

  • Brand Name:

    onsemi

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-92

  • Package Description:

    TO-226, 3 PIN

  • Pin Count:

    3

  • Manufacturer Package Code:

    29-11

  • ECCN Code:

    EAR99

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Additional Feature:

    LOW NOISE

  • Configuration:

    SINGLE

  • DS Breakdown Voltage-Min:

    25 V

  • FET Technology:

    JUNCTION

  • Feedback Cap-Max (Crss):

    3 pF

  • JEDEC-95 Code:

    TO-92

  • JESD-30 Code:

    O-PBCY-T3

  • JESD-609 Code:

    e0

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Mode:

    DEPLETION MODE

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Peak Reflow Temperature (Cel):

    235

  • Polarity/Channel Type:

    N-CHANNEL

  • Power Dissipation-Max (Abs):

    0.31 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

2N5457 Frequently Asked Questions (FAQs)

  • The maximum safe operating area (SOA) for the 2N5457 is not explicitly stated in the datasheet. However, it is generally recommended to operate the transistor within the specified voltage and current ratings to ensure reliable operation. Consult the application notes or contact onsemi support for more information.
  • While the 2N5457 can be used as a switch, its high-frequency performance may not be optimal due to its relatively high capacitance and inductance. For high-frequency applications, consider using a transistor with better high-frequency characteristics, such as the 2N5401 or 2N5551.
  • To ensure the 2N5457 is fully turned off in a digital circuit, make sure to provide a sufficient base-emitter voltage (VBE) to guarantee cutoff. A VBE of at least -5V is recommended. Additionally, consider using a pull-down resistor or a base-emitter resistor to help turn off the transistor.
  • The maximum power dissipation for the 2N5457 is not explicitly stated in the datasheet. However, the transistor's power rating is typically limited by its thermal characteristics. As a general rule, ensure the transistor's power dissipation does not exceed 1W to prevent overheating and ensure reliable operation.
  • While the 2N5457 can be used in a linear amplifier circuit, its relatively low current gain (hFE) and high output impedance may not be suitable for high-gain or high-fidelity applications. Consider using a transistor with better linear characteristics, such as the 2N3904 or 2N3906.

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2N5457 Alternates

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For a full list of alternate parts for 2N5457, check out Findchips.com