The SMCJ20A is a unidirectional Transient Voltage Suppressor (TVS) manufactured by Yjsemi. This device is designed to protect sensitive electronic components from electrical surges, commonly caused by lightning or electrostatic discharge. This device has a 5uA hold current, a 46.3A peak pulse current rating, and a clamping voltage of 32.4V, 22.2V, 20V, and 24.5V. This device is compliant with Restriction of Hazardous Substances (RoHS) directives and is suitable for a broad range of commercial, industrial, and household applications.