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    STMicroelectronics SMA4F28A, Uni-Directional TVS Diode, 400W, 2-Pin SMA Flat

    View all TVS Diodes
    Bulk discount available

    Subtotal (1 pack of 25 units)**

    SGD5.85

    (exc. GST)

    SGD6.38

    (inc. GST)

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    Temporarily out of stock - back order for despatch 31/01/2026, delivery within 4 working days from despatch date*

    * Delivery dates may change based on your chosen quantity and delivery address.

    Units
    Per unit
    Per Pack**
    25 - 475SGD0.234SGD5.85
    500 - 975SGD0.222SGD5.55
    1000 - 2475SGD0.21SGD5.25
    2500 - 4975SGD0.20SGD5.00
    5000 +SGD0.19SGD4.75

    **price indicative

    Packaging Options:
    RS Stock No.:
    192-4252
    Mfr. Part No.:
    SMA4F28A
    Manufacturer:
    STMicroelectronics
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    Manufacturer

    STMicroelectronics

    Diode Configuration

    Single

    Direction Type

    Uni-Directional

    Maximum Clamping Voltage

    59V

    Minimum Breakdown Voltage

    31.1V

    Mounting Type

    Surface Mount

    Package Type

    SMA Flat

    Maximum Reverse Stand-off Voltage

    28V

    Pin Count

    2

    Peak Pulse Power Dissipation

    400W

    Maximum Peak Pulse Current

    39A

    ESD Protection

    Yes

    Number of Elements per Chip

    1

    Minimum Operating Temperature

    -55 °C

    Dimensions

    4.6 x 2.9 x 1.05mm

    Maximum Operating Temperature

    +175 °C

    Height

    1.05mm

    Width

    2.9mm

    Length

    4.6mm

    Capacitance

    150pF

    Maximum Reverse Leakage Current

    1µA

    Test Current

    1mA

    ESD Voltage

    30kV

    Working Voltage

    28V

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