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SM712.TCT Asymmetrical TVS Diode for Extended Common Mode RS-485

    Buy cheap SM712.TCT Asymmetrical TVS Diode for Extended Common Mode RS-485 from wholesalers
     
    Buy cheap SM712.TCT Asymmetrical TVS Diode for Extended Common Mode RS-485 from wholesalers
    • Buy cheap SM712.TCT Asymmetrical TVS Diode for Extended Common Mode RS-485 from wholesalers

    SM712.TCT Asymmetrical TVS Diode for Extended Common Mode RS-485

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    Brand Name : anterwell
    Model Number : SM712.TCT
    Certification : new & original
    Price : Negotiate
    Payment Terms : Western Union, T/T, MoneyGram
    Supply Ability : 5000pcs
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    SM712.TCT Asymmetrical TVS Diode for Extended Common Mode RS-485


    SM712.TCT Asymmetrical TVS Diode for Extended Common-Mode RS-485


    PROTECTION PRODUCTS


    The SM712 transient voltage suppressor (TVS) diode is designed for asymmetrical (12V to -7V ) protection in multi-point data transmission standard RS-485 applications. The SM712 may be used to protect devices from transient voltages resulting from electrostatic discharge (ESD), electrical fast transients (EFT), and lightning.


    The SM712 features 400 Watts (tp = 8/20µs) of power handling capability to accommodate the higher transient voltage levels which may be expected in extended common mode applications. This provides higher equipment reliability and eliminates the “guess work” required when using zener diodes that are not rated to handle such transient conditions.


    The SM712 replaces four discrete components by integrating two 12V and two 7V TVS diodes in a single package. The integrated design aids in reducing voltage over-shoot associated with trace inductance. The low clamping voltage of the SM712 minimizes the stress on the protected transceiver. The SOT23 package allows flexibility in the design of “crowded” circuit boards.


    Features


    400 watts peak pulse power (tp = 8/20µs) ‹

    Transient protection for asymmetrical data lines to

    IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)

    IEC 61000-4-4 (EFT) 40A (5/50ns)

    IEC 61000-4-5 (Lightning) 12A (8/20µs) ‹ Protects two +12V to -7V lines ‹

    Low capacitance ‹

    Low clamping voltage ‹

    Solid-state silicon avalanche technology


    Mechanical Characteristics


    JEDEC SOT23 package ‹

    Molding compound flammability rating: UL 94V-0 ‹

    Marking : 712 ‹

    Packaging : Tape and Reel per EIA 481


    Applications


    Protection of RS-485 transceivers with extended common-mode range ‹

    Security systems ‹

    Automatic Teller Machines ‹

    HFC systems ‹

    Networks



    PROTECTION PRODUCTS PROTECTION PRODUCTS


    PROTECTION PRODUCTS

    Absolute Maximum Rating


    RatingSymbolValueUnits
    Peak Pulse Power (t p = P 8/20µs)Ppk400Watts
    Peak Pulse Current (t p = I 8/20µ)Ipp17A
    L T ead Soldering TemperTl260 (10 sec.)°C
    Operation TemperatingTj- 55 to +125°C
    STtorage TemperatureTstg-55 to +150°C

    Electrical Characteristics


    SM712
    Pins 1 to 3 and 2 to 3 (12V TVS)Pins 3 to 1 and 3 to 2 (7V TVS)
    ParametersymbolConditionsMinTYPMAXMINTYPMAXUnits
    R V everse Stand-Off VoltageVrwmPin 3 to 1 or Pin 2 to 1127V
    R V everse Breakdown VoltageVbr1Pr=1Ma13.37.5V
    Reverse LeakaIrVr=Vrwm120μA
    Clamping VoltagVC

    Ipp=5A

    tp = 8/20µs

    2010
    Clamping VoltagVCI PP = 17A, tp = 8/20µs2612
    Junction CapacitaC1VR = 0V, f = 1MH7575PF
    VR = VRWM, 5 f = 1MHz4545PF




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