Use this scr S4X8ES1 thyristor manufactured from Littelfuse as a bistable switch in your circuit. This device has a surge current rating of 10 A. This product comes packaged in bulk, so the parts will be stored loosely. This SCR thyristor has an operating temperature range of -40 °C to 125 °C. Its repetitive peak forward blocking voltage is 400 V, while its repetitive peak reverse voltage is 400 V.