The SMF30A with 48.4V 33.3V 30V SOD-123 TVS ROHS is a transient voltage suppressor manufactured by AnBon. It is a three-terminal device designed to protect sensitive electronic equipment from the damage caused by high-voltage transients. It features a reverse stand-off voltage of 48.4V and a maximum peak pulse power of 500W. It also has maximum clamping voltage of 33.3V and maximum clamping current of 30A. This device is compliant with RoHS environmental regulations, making it highly reliable and safe for use.