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    STMicroelectronics SMA4F20A, Uni-Directional TVS Diode, 400W, 2-Pin SMA Flat

    View all TVS Diodes
    Bulk discount available

    Subtotal (1 reel of 10000 units)**

    $1,540.00

    (exc. GST)

    $1,690.00

    (inc. GST)

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    On back order for despatch 02/02/2026, delivery within 10 working days from despatch date.*

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

    Units
    Per unit
    Per Reel**
    10000 - 10000$0.154$1,540.00
    20000 - 90000$0.15$1,500.00
    100000 +$0.135$1,350.00

    **price indicative

    RS Stock No.:
    192-3852
    Mfr. Part No.:
    SMA4F20A
    Brand:
    STMicroelectronics
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    Brand

    STMicroelectronics

    Direction Type

    Uni-Directional

    Diode Configuration

    Single

    Maximum Clamping Voltage

    42.8V

    Minimum Breakdown Voltage

    22.2V

    Mounting Type

    Surface Mount

    Package Type

    SMA Flat

    Maximum Reverse Stand-off Voltage

    20V

    Pin Count

    2

    Peak Pulse Power Dissipation

    400W

    Maximum Peak Pulse Current

    54A

    ESD Protection

    Yes

    Number of Elements per Chip

    1

    Minimum Operating Temperature

    -55 °C

    Maximum Operating Temperature

    +175 °C

    Dimensions

    4.6 x 2.9 x 1.05mm

    Working Voltage

    20V

    ESD Voltage

    30kV

    Length

    4.6mm

    Test Current

    1mA

    Width

    2.9mm

    Height

    1.05mm

    Maximum Reverse Leakage Current

    1µA

    Capacitance

    150pF

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