The NTE5453 manufactured by NTE is a Thyristor with a 50V maximum voltage rating, 4A maximum current rating, 0.2mA gate triggering current, and a through-hole (THT) mounting type in the TO202-3 package. This thyristor has a turn-on voltage of typically 6V and a maximum turn-off voltage (latching) of = 50V. Additionally, it has a surge-current rating of 100A.