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Mersen

Mersen MI5FA40V0.8 0.8A 5×20mm High-Speed Fuse

Part Number: MI5FA40V0.8

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Confirm circuit requirements for Mersen MI5FA40V0.8, a 0.8A 5×20mm high-speed fuse rated 400 VAC, including its rated current, voltage and mounting format for technical purchasing.

Rated Current0.8A
Rated Voltage400 VAC
Breaking CapacityVery High Breaking Capacity
Package5×20mm

Mersen MI5FA40V0.8 is a 0.8A 5×20mm high-speed fuse in the 5FA family, rated 400 VAC. Its ferrule / clip configuration supports power electronics, pcb protection. Part of Mersen’s application-focused fuse portfolio, the model is intended for designers who need a verified series, rating and form factor rather than a generic fuse. Use the exact part number when checking compatibility with installed fuse blocks or holders. The page is structured around the exact Mersen catalog number for easier procurement.

Technical Specifications

Part Number
MI5FA40V0.8
Manufacturer Part Number
L093321
Series
5FA Series
Fuse Type
Semiconductor Miniature Fuse
Current Rating
0.8A
Voltage Rating
400 VAC
AC / DC
AC
Breaking Capacity
Very High Breaking Capacity
I²t
1.52 A²s clearing I²t at rated voltage
Total I²t
1.52
Package / Dimensions
5×20mm
Mounting
Cartridge / Clip
Application
PCB protection · Power Electronics
Terminal Type
Ferrule / Clip
Fuse Speed
Very Fast Acting
Approvals
CE
Certifications
CE|UKCA|RoHS

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