Littelfuse 688 Series Cartridge Fuses are 6mm x 25mm lead-free devices that are designed for use in telecom applications. These fuses offer a high interrupting rating in a compact ceramic package, providing reliable circuit protection. The 688 series fuses operates with a 70VDC rating and is available in current rating range from 5A to 40A. The 688 cartridge fuses has a minimum opening time of 4 hours at full ampere rating, and a maximum of 120 seconds at 200% of the rated current. These devices are ideal for applications such as PDU in telecom datacenters and wireless transmission base stations.
Littelfuse 688 Series Cartridge Fuses
Features
- 4 hours minimum opening time at 100% ampere rating
- 1500A interrupting rating at 250VAC (for 40A)
- 2500A interrupting rating at 70VDC
- 200% opening time of 120 seconds maximum at 200% ampere rating
- Lead-free
- RoHS compliant
Applications
- PDU in Telecom datacenter
- Wireless transmission base station