Littelfuse 0453004.MR 4A 125V Very Fast NANO² SMD Fuse
● Contact for AvailabilityRated for board-level protection, Littelfuse 0453004.MR is a 4A 125V very-fast NANO² fuse in a 2410 surface-mount package.

Rated for board-level protection, Littelfuse 0453004.MR is a 4A 125V very-fast NANO² fuse in a 2410 surface-mount package.
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For rated-current coordination, Littelfuse 0453004.MR is a 4A, 125V AC/DC NANO² surface-mount fuse with very-fast-acting response. The ceramic 2410 package uses silver-plated end caps, measures 6.10 × 2.69 × 2.69mm, and carries published interruption data of 50A @ 125VAC/VDC; 10kA @ 75VDC; 300A @ 32VDC. Nominal melting I²t for this rating is 3.152 A²s. Check ambient derating and available fault current against the manufacturer data before final selection. Use the complete ordering code to preserve packaging or lead-format options during replacement.