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    Free shipping worldwide on featured products - use code JUNE22_FREESHIP at checkout! Start your design today.Free shipping worldwide on featured products - use code JUNE22_FREESHIP at checkout! Start your design today.Free shipping worldwide on featured products - use code JUNE22_FREESHIP at checkout! Start your design today.Free shipping worldwide on featured products - use code JUNE22_FREESHIP at checkout! Start your design today.Free shipping worldwide on featured products - use code JUNE22_FREESHIP at checkout! Start your design today.
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    BUL128D-B

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    High voltage fast-switching NPN power transistor
    Learn More about BUL128D-B

    Quantity $ per Unit Savings
    1 - 9$0.701%
    10 - 99$0.6112%
    100 - 499$0.4733%
    500$0.3747%
    500 + Contact Sales
    Save to My List Compare
    In stock
    $0.70
    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 device is manufactured using high voltage Multi Epitaxial Planar technology for high switching speeds and medium voltage capability. It uses a Cellular Emitter structure with planar edge termination to enhance switching speeds while maintaining the wide RBSOA.


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

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