Thyristor Surge Suppressors (TSS)Thyristor surge suppressors (TSS) are a type of circuit protection device that is used to protect electronic circuits from voltage surges and transients. A thyristor is a solid-state device that can switch on and off very quickly, making it ideal for use in surge suppression. A TSS typically consists of a thyristor and other supporting circuit elements, such as diodes and capacitors. When a surge or transient is detected, the thyristor switches on and provides a low-impedance path for the surge current to flow, thus protecting the circuit from damage. TSS are commonly used in power supply circuits, telecommunications equipment, and other applications where protection from surges and transients is important.