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README

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0451010.MRL

Littelfuse 451 series very fast acting fuse, 10A 125V.

Manufacturer datasheet ยท Mouser listing. Quote retrieved 2026-10-17: $2.53 each, 24,962 in stock; prices and stock can change.

Pin Function
1 1
2 2

Original simplified dimensioned 451-series body; not manufacturer CAD. No current marking is represented. Native assembly and polarity inspection remain required. CAD contains no application circuit.

Apply the manufacturer's 25% continuous-current derating in addition to its ambient-temperature rerating curve. Review breaking capacity against the actual fault source; voltage/current ratings alone do not establish coordination.

Symbol & Footprint

Schematic Symbol

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PCB Footprint

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