272/273/274/278/279 Series - MICRO™ Very Fast-Acting Subminiature Plug-In Fuse

Brand: Littelfuse, Inc

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 0.002A 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 0.002A to 5A
  • Plug-in with short or long leads option

Specifications

Operating Temperature

  • 273 and 279: -55° to +85° C
  • 272 and 278: -55° to +125° C

Fuses to MIL SPEC

  • Military QPL Type (FM02). To order, change 273 to 274

Materials

  • 272 and 278 Series Cap: Nickel-Plated Brass
  • 273, 274 and 279 Series Cap: Mirror Polished Polycarbonate
  • Base: R-4 Ryton
  • Pins: Tin-Plated Copper

Product Marking

  • Current and Voltage Ratings Stamped on Cap

Approvals

  • UL
  • CSA
  • QPL

  • Printed Circuit Boards and Similar Equipment
  • Electronic Components
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