ZV20K2220122NIR1HT is a low voltage, high temperature SMD multilayer varistor from the Bourns ZVHT series, designed to protect sensitive electronic devices against high voltage transients. This 2220 size varistor features a maximum continuous working voltage of 20 Vrms (26 Vdc), a varistor voltage of 33 V at 1 mA, and a clamping voltage of 54 V at 8/20 µs pulse. It offers a maximum surge current of 1200 A (8/20 µs) and operates over a wide temperature range of -55°C to +150°C. The device is RoHS compliant with NiSn barrier type end terminations suitable for Pb and Pb-free reflow soldering, making it ideal for protecting integrated circuits in automotive and industrial applications requiring high temperature operation.