278 Series - MICRO™ Very Fast-Acting Subminiature Radial Leaded Fuse

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 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

Applications:

  • Printed circuit boards and similar equipment
  • Electronic components

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VDC (V)VAC (V)Resistance
(Ω)
Interrupting RatingNominal Melting I2T (A2sec)Min Operating Temp °CMax Operating Temp (°C)OpeningSizeStockSamplesCompare
0278.0020.002125125220010000A@125VDC8.45E-09-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.0050.00512512528010000A@125VDC7.66E-08-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.0100.011251258010000A@125VDC0.000000462-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.0150.0151251254410000A@125VDC0.00000123-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.0310.0311251251610000A@125VDC0.0000081-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.0500.051251253.5210000A@125VDC0.0000666-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.0620.0621251252.5510000A@125VDC0.000115-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.1000.11251251.3810000A@125VDC0.000385-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.1250.125125125110000A@125VDC0.000691-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.2000.21251252.310000A@125VDC0.00409-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.2500.251251251.7510000A@125VDC0.0064-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.3000.31251251.2510000A@125VDC0.00945-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.4000.41251250.22710000A@125VDC0.0251-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.5000.51251250.16710000A@125VDC0.0716-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.6000.61251250.4310000A@125VDC0.0411-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.7000.71251250.32410000A@125VDC0.071-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.7500.751251250.29310000A@125VDC0.0563-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278.8000.81251250.27110000A@125VDC0.113-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278001.11251250.08810000A@125VDC0.0648-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278002.21251250.042510000A@125VDC0.3-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278003.31251250.027510000A@125VDC0.759-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278004.41251250.020210000A@125VDC1.38-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
0278005.51251250.015610000A@125VDC2.21-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder
027801.51.51251250.057810000A@125VDC0.16-55125Very Fast-Acting (FF)TR3/MICRO (6x8mm)CheckOrder

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

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