Circuit Protection
0278.400V
ObsoleteLITTELFUSE
FUSE, PCB LEADED, 400 MA, 125 V, MICRO 278 SERIES, 125 V, VERY FAST ACTING, RADIAL LEADED
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Circuit Protection
0278.400V
ObsoleteLITTELFUSE
FUSE, PCB LEADED, 400 MA, 125 V, MICRO 278 SERIES, 125 V, VERY FAST ACTING, RADIAL LEADED
Deep-Dive with AI
Technical Specifications
Parameters and characteristics for this part
| Specification | 0278.400V |
|---|---|
| Approval Agency | QPL, CSA, UL |
| Current Rating (Amps) | 400 mA |
| Fuse Type | Board Mount (Cartridge Style Excluded) |
| Melting I²t | 0.0251 |
| Mounting Type | Through Hole |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -55 C |
| Package / Case | Radial, Can, Vertical |
| Response Time | Fast 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 - AC | 125 V |
| Voltage Rating - DC | 125 VDC |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
Description
General part information
0278.400 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.
Documents
Technical documentation and resources