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    Flat-rate $5.99 shipping worldwide throughout July - no code needed. Start your design today!Flat-rate $5.99 shipping worldwide throughout July - no code needed. Start your design today!Flat-rate $5.99 shipping worldwide throughout July - no code needed. Start your design today!Flat-rate $5.99 shipping worldwide throughout July - no code needed. Start your design today!
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    BUL381D

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    High voltage fast-switching NPN power transistor
    Learn More about BUL381D

    Quantity $ per Unit Savings
    1 - 9$1.400%
    10 - 24$1.2610%
    25 - 99$1.2015%
    100 - 499$0.9929%
    500$0.8142%
    500 + Contact Sales
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    In stock
    $1.40
    Parameter NameParameter Value
    Operating RangeIndustrial
    Operating Temp Min Celsius-65.0
    Operating Temp Max Celsius150.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTube
    ROHS Compliance GradeEcopack2
    GradeIndustrial
    Package NameTO-220

    The BUL381D is manufactured using high voltage Multi Epitaxial Planar technology for high switching speeds and high voltage capability.


    The BUL series is designed for use in lighting applications and low cost switch-mode power supplies.

    Key features
    • INTEGRATED ANTIPARALLEL COLLECTOR-EMITTER DIODE
    • LARGE RBSOA
    • STMicroelectronics PREFERRED SALESTYPE
    • LOW SPREAD OF DYNAMIC PARAMETERS
    • HIGH VOLTAGE CAPABILITY
    • VERY HIGH SWITCHING SPEED
    • MINIMUM LOT-TO-LOT SPREAD FOR RELIABLE OPERATION