The Bourns CMF-SDP series resettable fuses are designed for use as secondary overcurrent protection in customer premise equipment (CPE) and central office (CO) applications. These fuses feature resistance-matched PTCs in a plastic housing, providing reliable and resettable overcurrent protection. They are RoHS compliant and offer narrow resistance tolerance for consistent performance. Available in various resistance ratings and package options, the CMF-SDP series is a versatile solution for protecting sensitive electronic circuits.