Bourns CMF-SD Series CPTC Resettable Fuses protect telecom equipment from current surges caused by lightning or AC power interactions. The dual-pack design combines two resistance-matched ceramic PTCs in one surface-mount component. These fuses are compatible with Bourns' TISP overvoltage protection devices and meet standards like ITU-T K.20/21/45, Telcordia GR-1089-CORE, and UL 60950. Resistance options include 25Ω, 35Ω, and 50Ω. Typical applications include telecommunication equipment, power line protection, and overcurrent protection in AC networks.
Bourns CMF-SD Series CPTC Resettable Fuses
Features
- Compatible with TISP overvoltage protection devices
- Dual-pack ceramic PTCs in a single surface-mount component
- Meets ITU-T K.20/21/45, Telcordia GR-1089-CORE, and UL 60950 standards
- Resettable overcurrent protection
- Resistance options: 25Ω, 35Ω, 50Ω
- RoHS compliant
Applications
- LAN equipment
- Line cards
- MDF modules
- Modems
- Set-top boxes
- VoIP cards