| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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1,000 pcs
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1000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| AEC Qualified | |
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| Automotive Grade | |
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| Halogen Free | |
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| Industrial Grade | |
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| Medical Grade | |
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| Military Grade | |
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The Littelfuse 0451003.MR is a very fast-acting (fast blow) board mount fuse from the 451/453 series, designed for overcurrent protection in secondary side circuits. It is rated for 3A at 125VAC/VDC with a breaking capacity of 50A at 125V. The fuse has a melting I²t of 1.65 A²sec and operates over a wide temperature range of -55°C to 125°C.
Constructed with a Wire-in-Air (WIA) design, this surface mount fuse is housed in a compact 2-SMD square end block package measuring 6.10mm x 2.69mm x 2.69mm. It is RoHS compliant and halogen-free, with agency approvals from CSA, PSE, and UL.
Typical applications include notebook PCs, LCD TVs, power supplies, networking equipment, battery charging circuits, and industrial controls. The fuse is suitable for high-density PCB designs requiring reliable overcurrent protection.
3 A.
125 VAC/VDC.
50 A at 125 V.
Fast blow (very fast-acting).
2-SMD, square end block.
-55°C to 125°C.
CSA, PSE, UL.