The SM6T30CAY is an SMB bidirectional diode transil manufactured by STMicroelectronics. It features a 600W power capability, a peak pulse surge rating of 30V, a maximum current of 14.5A, and a voltage rating of ±5%. The SM6T30CAY is used for protection applications such as overvoltage and electrostatic discharge in applications such as telecom, industrial and personal electronics. It also features a fast switching time of 10ns typ, and low leakage current of <10uA. The package includes a wide variety of features such as adjustable surge level and low clamping coefficients. The product is RoHS compliant and halogen-free, and is UL/TUV certified.