0977005. - 977 Series

Series: 977 Questions? Contact Littelfuse Support
The 977 Series is a ceramic-base 5x20mm-size fuse series with a 500VAC/450VDC rating. It is designed for circuit protection in both high-power AC and power-efficient applications. With its DC and AC characteristics, the 977 Series is sutable for high energy or power efficient applications and 3-phase power supplies protection. 


  • DC interrupting current
  • 100% Lead-Free and RoHS compliant

  • Input of 3-phase power supply
  • Inverter in LCD backlight unit
  • DC side of air-conditioners

METI UL_NBK040609-JP1021A

METI UL_NBK040609-JP1021B

SEMKO_1010769icon SEMKO_1410854_9_4_14

Littlefuse_Fuse_977icon Fuse 977 Datasheet

450Vdc/500Vac rated, 5x20mm, Time-Lag, surge withstand, ceramic body, cartridge fuse...

pdf icon Littelfuse Fuse Accessories Selection Guide

A quick reference guide to selecting holders, blocks and clips for fuse applications...

pdf icon Fuse Selection Guide

A quick reference guide to selecting fuses for electronic applications...

pdf icon Product Selection Guide

Electronics Circuit Protection Product Selection Guide - A guide to selecting Littelfuse circuit protection components for electronic applications...

pdf icon Circuit Protection Technology Application Matrix

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive, industrial, handheld, computer and telecom markets...

pdf icon Electronic Fuse Products Catalog

Littelfuse Electronic Fuse Products Catalog -- Miniature Fuse Products for Overcurrent Protection of Small Electrical and Electrical Applications...