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08 January 2025How to Choose the Trigger Voltage of a TVS for RF Ports -
13 December 2022How to tell one type of TVS from another Transient Voltage Suppressor, or TVS, is transistor-type high-performance protection element. TVS is used to protect rear ICs from accidental overvoltage and overcurrent ESD or EOS fluctuation. Its working principle is provided in Fig. 1: first, with the reverse breakdown capability of TVS transistor, TVS turns high impedance between two poles into low impedance in 10-12 seconds (ps) when it is subject to transient high-energy impulses. It absorbs large irregular ESD/EOS energy and dumps it into earth, thus keeping the clamping voltage between two poles at the predefined level. This protects the precision elements in electronic circuitry effectively from damage due to irrational impulses, which makes TVS a very common protection element in electronics. -
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