The Littelfuse 461E Series Enhanced TeleLink® Surface Mount, Surge – Tolerant Fuse, is the next generation of the popular 461 Telelink® Fuse. With optimized opening times at certain overload conditions, this enhanced TeleLink® Fuse works in harmony with Littelfuse’s new SIDACtor® Transient Voltage Suppressor products in the QFN package. This combination provides a compliant solution for standards and recommendations, such as, GR–1089–Core, TIA–968–A, UL/EN/IEC 60950 and ITU K.20/.21. The coordination requirement contained in GR–1089–Core and ITU K.20/.21, may require a series impedance device.

Features:

• Surface Mount Surge Resistant Slo-Blo® Fuse.
• Meets UL/EN/IEC 60950, 3rd Edition, Power Fault Requirements stand alone. Designed for compliance with Telcordia GR–1089–CORE and TIA–968–A (formerly FCC Part 68) Surge Specifications.
• Designed to serve the requirements of a wide range of telecommunication and networking equipment.
• Provides GR–1089 compliant overcurrent protection with Littelfuse SIDACtor®, TVS or GDT, without the need of any additional resistance.
• Product is RoHS compliant and compatible with lead-free solders and higher temperature profiles.