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MICRO 278 SERIES
Circuit Protection

0278003.V

Active
LITTELFUSE

FUSE, PCB LEADED, 3 A, 125 V, MICRO 278 SERIES, 125 V, VERY FAST ACTING, RADIAL LEADED

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MICRO 278 SERIES
Circuit Protection

0278003.V

Active
LITTELFUSE

FUSE, PCB LEADED, 3 A, 125 V, MICRO 278 SERIES, 125 V, VERY FAST ACTING, RADIAL LEADED

Deep-Dive with AI

Technical Specifications

Parameters and characteristics for this part

Specification0278003.V
Approval AgencyQPL, CSA, UL
Current Rating (Amps)3 A
DC Cold Resistance0.0275 Ohms
Fuse TypeBoard Mount (Cartridge Style Excluded)
Melting I˛t0.759
Melting I²t0.759 I²t
Mounting TypeThrough Hole
Operating Temperature [Max]125 °C
Operating Temperature [Min]-55 C
Package / CaseRadial, Can, Vertical
Response TimeFast Blow
Size / Dimension [diameter]5.97 mm
Size / Dimension [diameter]0.235 in
Size / Dimension [z]0.287 in
Size / Dimension [z]7.3 mm
Voltage Rating - AC125 V
Voltage Rating - DC125 VDC

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
DigikeyBulk 5$ 16.52
N/A 0$ 0.00
NewarkEach 1$ 18.03
10$ 17.14
25$ 15.98
50$ 14.01
100$ 13.03
250$ 12.59
500$ 11.69

Description

General part information

0278003 Series

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.