0278.031 - 278 Series

Series: 278 Questions? Contact Littelfuse Support
272_273_278_279
Developed originally for the U.S. Space Program, 
MICRO™ fuse provides reliability in a compact design. 
The MICRO™ fuse is available in plug–in or radial lead 
styles and a complete range of ampere ratings from 
1/500 to 5A to suit a wide variety of design needs.


Features:

  • Military grade available
  • High breaking capacity
  • Clear cover option to view fuse element status
  • Available from very low ampere of 2mA to 5A
  • Plug-in with short or long leads option
Property (Mouseover for details) Value
Ampere Rating (A) 0.031
Nominal Melting I2T (A2sec) 0.0000081
Interrupting Rating 10000A@125VDC
Min Operating Temp °C -55
Max Operating Temp (°C) 125
Nominal Cold Resistance (Ohms) 16
Opening Very Fast-Acting (FF)
Package Size TR3/MICRO (6x8mm)
VAC (V) 125
VDC (V) 125

UR UR_JDYX2_E10480_9_30_14

csa CSA_1422-01_029862

pdf icon Fuse 272 and 279 Datasheet

Developed originally for the U.S. Space Program, MICRO™ fuse provides reliability in a compact design...

272 279 Series Time Curve Data

LittelfusePiedrasNegrasTS16949 2009icon MexicoPiedras Negras ISOTS 16949

Littelfuse_Mexico_PiedrasNegras_ISO14001icon MexicoPiedras Negras ISO 14001

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...