Bourns CMF-RL series resettable fuses are designed for use in telecom equipment, providing secondary overcurrent protection. These fuses aid in compliance with industry standards such as ITU-T K.20/21/45 and Telcordia GR-1089-CORE, and UL 60950. They feature a narrow resistance tolerance and are RoHS compliant, making them suitable for a variety of applications in customer premise equipment, central offices, and access equipment. The fuses reset automatically after an overcurrent event, minimizing downtime and improving system reliability.