The BK30-090-SI PTC Resettable Fuse manufactured by Yageo is a through hole device which offers dual protection. It has an electrical current rating of 30A and voltage rating of 250VAC. It is RoHS compliant and has a fast-acting response time. It offers excellent cycle life and low contact resistance, and fast recovery time from short-circuits. It is designed with a very low temperature coefficient, making it suitable for a variety of high-temperature applications, and is safe for use in environments where poor insulation conditions exists. It can be used as a main or supplemental fuse system for a variety of applications, including backup power supplies, motor control, automotive, industrial, and consumer power supplies.