The CLE40E1200HB with SCRs 1200V, 40A HEF manufactured by IXYS is a high-voltage and high-current, single-phase, silicon-controlled rectifier (SCR). It is designed for medium and high-voltage switching applications and is suitable for use in AC frequency converter, soft-start, welding, rectifier and other power device applications. It features a voltage rating of 1200V, a current rating of up to 40Amps, and a package size of 82mm x 72mm. It is manufactured by IXYS and is UL-certified for safety.