AFGHL40T65SQD & AFGHL50T65SQD IGBTs onsemi AFGHL40T65SQD and AFGHL50T65SQD IGBTs are 4th generation, high-speed field-stop IGBTs ideal for automotive applications. The AFGHL40T65SQD and AFGHL50T65SQD IGBTs offer higher reliability and optimum performance for both hard and soft switching. The onsemi AFGHL40T65SQD and AFGHL50T65SQD IGBTs are AEC Q101 qualified and provide very low switching and conduction losses.