This document describes the features and characteristics of Axial Lead and Cartridge Fuses 406, including material, electrical characteristics, certifications, and interrupting ratings.
This document provides technical data for the Littelfuse LT-5™ Time Lag Fuse 665 Series, which includes both axial lead and cartridge fuse configurations. The series is designed with a temperature resistant body (UL 94V-0) and Sn coated copper wire terminals.
Key electrical characteristics include an interrupting rating of 50A at 250VAC and specific time-current ratings where the fuse holds 100% of its ampere rating for a minimum of 4 hours. The product is available in various amperage ratings ranging from 63mA to 800A.
| Interrupting Rating | 50A at 250VAC |
|---|---|
| Operating Temperature | -40°C to +85°C |
| Case Resistance Min | 100 Mohms |
| Terminal Strength Tensile Load | min. 9N |
| Body Material Rating | UL 94V-0 |
The fuses have an interrupting rating of 50A at 250VAC.
The fuses can operate at temperatures up to +85°C.
Wave soldering should not exceed 235°C for 2 seconds.