The SM6T56CAY is an SMB-packaged Bidirectional Transil Diode from STMicroelectronics, capable of withstanding up to 600W of power. It has a peak repetitive peak reverse voltage rating of 56V and a maximum continuous current of 7.8A. It also offers a bidirectional symmetric clamping capability for applications such as over-voltage and over-current protection, with an unidirectional peak pulse power capability of 800W. The device comes with a voltage regulation of ±5%, and offers excellent clamping efficiency.