SMDJ30CA with SMC (DO-214AB) TVS ROHS is an electronic part manufactured by TWGMC. It is a bidirectional Transient Voltage Suppressor diode designed for over-voltage protection of data lines, power supplies, and other components. It is capable of protecting circuits against electrostatic discharge (ESD), electrical fast transients (EFT) and lightning surges. It is RoHS compliant and features a glass passivated junction, low profile surface mount, and high peak pulse handling capability. It is designed to be used in applications where voltage transients may be present, such as power supplies, cellular phones, computer circuits, and automotive applications. It is available in a wide variety of packages, including DO-214AB, SMA, SMB, SMC, SMD, and SMF.