Circuit & System Protection


Thyristor surge protection devices

25 November 2009 Circuit & System Protection

ON Semiconductor has introduced the NP-MC series of low-capacitance thyristor surge protection devices (TSPDs) that provide protection to sensitive electronic equipment from transient overvoltage conditions.

Available with a full range of industry-standard voltage levels and surge current ratings from 50 A to 200 A, this new series of TSPDs provides a solution for DSLAM, FTTx, Ethernet, PoE and VoIP systems. The low nominal off-state capacitance translates into low differential capacitance, offering excellent linearity with applied voltage or frequency. The devices feature low leakage currents, precise turn-on voltages and low voltage overshoot.

The new bidirectional, surface mount devices enable designers to achieve compliance with the various industry regulatory standards such as GR-1089-CORE, ITU-T-K.20/K.21/K.45 and IEC 60950. They are housed in a small 2,6 x 4,3 mm lead-free SMB package.



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