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KA7909TU - onsemi

Description: ON Semiconductor, -9 V Linear Voltage Regulator, 1A, 1-Channel Negative, ±4% 3-Pin, TO-220 KA7909TU

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KA7909TU - onsemi PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - KA7909TU
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KA7909TU - onsemi  - 3D model - Transistor Outline, Vertical - KA7909TU
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KA7909TU Details

  • Manufacturer Part Number:

    KA7909TU

  • 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

  • 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:

    0.18%

  • Load Regulation-Max:

    0.09%

  • 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:

    9.4 V

  • Output Voltage1-Min:

    8.6 V

  • Output Voltage1-Nom:

    9 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:

    4.4%

KA7909TU Frequently Asked Questions (FAQs)

  • The maximum input voltage for the KA7909TU is 35V, but it's recommended to keep it below 30V for reliable operation.
  • To ensure stability, use a minimum output capacitance of 10uF with an ESR of 5 ohms or less, and keep the input capacitance as close to the regulator as possible.
  • The minimum input voltage required for the KA7909TU to function is 7.5V, but it's recommended to keep it above 8V for reliable operation.
  • The KA7909TU is rated for operation up to 125°C, but it's recommended to derate the output current at high temperatures to prevent overheating.
  • Use a TVS diode or a transient voltage suppressor in parallel with the input capacitor to protect the regulator from input voltage surges.

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