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KA7908TU - onsemi

Description: Linear Voltage Regulator IC Negative Fixed 1 Output 1A TO-220-3

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KA7908TU - onsemi - PCB symbol
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PCB Footprints
KA7908TU - onsemi PCB footprint - Other - Other - TO-220
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KA7908TU - onsemi - 3D model - Other - TO-220
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KA7908TU Details

  • Manufacturer Part Number:

    KA7908TU

  • Brand Name:

    ON Semiconductor

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    TO-220, 3 PIN

  • Manufacturer Package Code:

    340AT

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Input Voltage Absolute-Max:

    35 V

  • Input Voltage-Max:

    25 V

  • Input Voltage-Min:

    10.5 V

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e3

  • Line Regulation-Max:

    0.16%

  • Load Regulation-Max:

    0.08%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Output Current1-Max:

    1 A

  • Output Voltage1-Max:

    8.4 V

  • Output Voltage1-Min:

    7.6 V

  • Output Voltage1-Nom:

    8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SFM

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    RAIL

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    5%

KA7908TU Frequently Asked Questions (FAQs)

  • The KA7908TU can handle a maximum input voltage of 40V, but it's recommended to operate it within the specified input voltage range of 8-35V for optimal performance and reliability.
  • To ensure the stability of the output voltage, it's essential to use a suitable output capacitor with a minimum capacitance of 10uF and a maximum ESR of 5 ohms. Additionally, the output capacitor should be placed as close as possible to the output pin of the regulator.
  • The KA7908TU does not have a minimum load current requirement, but it's recommended to operate it with a minimum load current of 5mA to ensure the output voltage remains stable and within the specified tolerance.
  • The KA7908TU is rated for operation up to 125°C, but it's essential to ensure that the device is properly heat-sinked and that the junction temperature (Tj) does not exceed 150°C. Exceeding the maximum junction temperature can reduce the device's reliability and lifespan.
  • To protect the KA7908TU from input voltage transients, it's recommended to use a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit at the input of the regulator. This will help to absorb or clamp any voltage transients that may exceed the maximum input voltage rating of the device.

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KA7908TU Overview

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