Circuit Protection – Mouser United Kingdom

.hide-partial { max-height: none; } .show-more { display: none; }

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 226

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Surface Mount Fuses 1.25A 63V FAST ACTING FUSE AEC-Q200 04381.25WRA Littelfuse 1: £1.32 2,248In Stock	Mfr. Part No. 04381.25WRA Mouser Part No 576-04381.25WRA	Littelfuse	Surface Mount Fuses 1.25A 63V FAST ACTING FUSE AEC-Q200 Learn More about Littelfuse 438a fuses	Datasheet	2,248In Stock	Cut Tape £1.32 £1.13 £1.07 £0.882 View Reel £0.755 £0.78 £0.755 £0.755 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 125VAC 0.062A 5.5ohms 451 NANO2 0451.062MRSN Littelfuse 1: £4.46 615In Stock	Mfr. Part No. 0451.062MRSN Mouser Part No 576-0451.062MRSN	Littelfuse	Surface Mount Fuses 125VAC 0.062A 5.5ohms 451 NANO2	Datasheet	615In Stock	Cut Tape £4.46 £4.17 £4.02 £3.13 View Reel £2.40 £2.61 £2.54 £2.41 £2.40 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 0.125A 1.7ohms 451 NANO2 0451.125MRL Littelfuse 1: £2.72 9,139In Stock	Mfr. Part No. 0451.125MRL Mouser Part No 576-0451.125MRL	Littelfuse	Surface Mount Fuses 125VAC 0.125A 1.7ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	9,139In Stock	Cut Tape £2.72 £2.47 £2.15 £1.89 View Reel £1.27 £1.62 £1.51 £1.47 £1.27 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 0.16A 1.2157ohms 451 NANO2 0451.160MRL Littelfuse 1: £3.82 4,911In Stock	Mfr. Part No. 0451.160MRL Mouser Part No 576-0451.160MRL	Littelfuse	Surface Mount Fuses 125VAC 0.16A 1.2157ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	4,911In Stock	Cut Tape £3.82 £3.40 £3.13 £2.47 View Reel £1.78 £2.11 £1.96 £1.78 £1.78 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 0.5A .3046ohms 451 NANO2 0451.500MRL Littelfuse 1: £1.07 15,733In Stock 12,000On Order	Mfr. Part No. 0451.500MRL Mouser Part No 576-0451.500MRL	Littelfuse	Surface Mount Fuses 125VAC 0.5A .3046ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	15,733In Stock 12,000On Order On Order Ship Dates Mfr. No: 0451.500MRL Stock: 15,733 Can Dispatch Immediately On Order: 1,000 Expected 21/10/2026 11,000 Expected 28/12/2026 Factory Lead Time: 23 Weeks	Cut Tape £1.07 £0.882 £0.803 £0.641 Reel £0.423 View £0.555 £0.521 £0.459 £0.365 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 0.5A .3046ohms 451 NANO2 0451.500NRL Littelfuse 1: £1.71 1,499In Stock	Mfr. Part No. 0451.500NRL Mouser Part No 576-0451.500NRL	Littelfuse	Surface Mount Fuses 125VAC 0.5A .3046ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	1,499In Stock	Cut Tape £1.71 £1.49 £1.41 £1.05 View Reel £0.766 £0.934 £0.871 £0.773 £0.766 £0.766 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 125VAC 0.63A .2022ohms 451 NANO2 0451.630MRL Littelfuse 1: £1.76 1,541In Stock 6,000On Order	Mfr. Part No. 0451.630MRL Mouser Part No 576-0451.630MRL	Littelfuse	Surface Mount Fuses 125VAC 0.63A .2022ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	1,541In Stock 6,000On Order On Order Ship Dates Mfr. No: 0451.630MRL Stock: 1,541 Can Dispatch Immediately On Order: 3,000 Expected 21/12/2026 3,000 Expected 08/03/2027 Factory Lead Time: 23 Weeks	Cut Tape £1.76 £1.55 £1.42 £1.19 View Reel £0.777 £1.05 £0.952 £0.788 £0.777 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 0.75A .1444ohms 451 NANO2 0451.750NRL Littelfuse 1: £1.89 1,476In Stock	Mfr. Part No. 0451.750NRL Mouser Part No 576-0451.750NRL	Littelfuse	Surface Mount Fuses 125VAC 0.75A .1444ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	1,476In Stock	Cut Tape £1.89 £1.58 £1.46 £1.20 View Reel £0.766 £1.11 £0.995 £0.925 £0.849 £0.766 £0.766 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 125VAC 0.8A .1355ohms 451 NANO2 0451.800MRL Littelfuse 1: £1.68 4,068In Stock	Mfr. Part No. 0451.800MRL Mouser Part No 576-0451.800MRL	Littelfuse	Surface Mount Fuses 125VAC 0.8A .1355ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	4,068In Stock	Cut Tape £1.68 £1.51 £1.38 £1.19 View Reel £0.766 £1.01 £0.943 £0.826 £0.766 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 1A .078ohms 451 NANO2 0451001.MRL Littelfuse 1: £1.00 3,842In Stock 40,000On Order	Mfr. Part No. 0451001.MRL Mouser Part No 576-0451001.MRL	Littelfuse	Surface Mount Fuses 125VAC 1A .078ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	3,842In Stock 40,000On Order On Order Ship Dates Mfr. No: 0451001.MRL Stock: 3,842 Can Dispatch Immediately On Order: 17,000 Expected 09/11/2026 23,000 Expected 04/03/2027 Factory Lead Time: 23 Weeks	Cut Tape £1.00 £0.841 £0.78 £0.641 Reel £0.423 View £0.555 £0.521 £0.459 £0.389 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 1A .078ohms 451 NANO2 0451001.NRL Littelfuse 1: £1.71 3,934In Stock	Mfr. Part No. 0451001.NRL Mouser Part No 576-0451001.NRL	Littelfuse	Surface Mount Fuses 125VAC 1A .078ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	3,934In Stock	Cut Tape £1.71 £1.49 £1.41 £1.21 Reel £1.21 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 125VAC 2A .0367ohms 451 NANO2 0451002.NRL Littelfuse 1: £1.71 4,202In Stock	Mfr. Part No. 0451002.NRL Mouser Part No 576-0451002.NRL	Littelfuse	Surface Mount Fuses 125VAC 2A .0367ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	4,202In Stock	Cut Tape £1.71 £1.49 £1.41 £1.15 View Reel £0.766 £1.01 £0.943 £0.834 £0.773 £0.766 £0.766 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 125VAC 3A .0227ohms 451 NANO2 0451003.MRL Littelfuse 1: £0.834 16,548In Stock 15,720Expected 21/10/2026	Mfr. Part No. 0451003.MRL Mouser Part No 576-0451003.MRL	Littelfuse	Surface Mount Fuses 125VAC 3A .0227ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	16,548In Stock 15,720Expected 21/10/2026	Cut Tape £0.834 £0.78 £0.641 £0.555 Reel £0.41 View £0.521 £0.459 £0.389 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 5A .0125ohms 451 NANO2 0451005.NRL Littelfuse 1: £1.71 1,788In Stock	Mfr. Part No. 0451005.NRL Mouser Part No 576-0451005.NRL	Littelfuse	Surface Mount Fuses 125VAC 5A .0125ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	1,788In Stock	Cut Tape £1.71 £1.49 £1.41 £1.15 View Reel £0.766 £1.01 £0.943 £0.834 £0.773 £0.766 £0.766 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Surface Mount Fuses 125VAC 7A .009ohms 451 NANO2 0451007.MRL Littelfuse 1: £1.21 13,001In Stock 27,000On Order	Mfr. Part No. 0451007.MRL Mouser Part No 576-0451007.MRL	Littelfuse	Surface Mount Fuses 125VAC 7A .009ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	13,001In Stock 27,000On Order On Order Ship Dates Mfr. No: 0451007.MRL Stock: 13,001 Can Dispatch Immediately On Order: 11,000 Expected 23/12/2026 16,000 Expected 17/03/2027 Factory Lead Time: 23 Weeks	Cut Tape £1.21 £1.09 £0.934 £0.818 Reel £0.423 View £0.682 £0.612 £0.459 £0.389 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 8A .0077ohms 451 NANO2 0451008.MRL Littelfuse 1: £1.64 8,680In Stock	Mfr. Part No. 0451008.MRL Mouser Part No 576-0451008.MRL	Littelfuse	Surface Mount Fuses 125VAC 8A .0077ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	8,680In Stock	Cut Tape £1.64 £1.50 £1.34 £1.17 Reel £0.847 View £1.00 £0.969 £0.871 £0.829 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 1.5A .063ohms 451 NANO2 045101.5MRL Littelfuse 1: £1.36 25,879In Stock	Mfr. Part No. 045101.5MRL Mouser Part No 576-045101.5MRL	Littelfuse	Surface Mount Fuses 125VAC 1.5A .063ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	25,879In Stock	Cut Tape £1.36 £1.20 £1.04 £0.899 View Reel £0.666 £0.766 £0.666 £0.666 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 65VAC 12A .0049ohms 451 NANO2 0451012.MRL Littelfuse 1: £2.51 8,698In Stock	Mfr. Part No. 0451012.MRL Mouser Part No 576-0451012.MRL	Littelfuse	Surface Mount Fuses 65VAC 12A .0049ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	8,698In Stock	Cut Tape £2.51 £2.29 £2.06 £1.79 View Reel £1.20 £1.55 £1.37 £1.25 £1.20 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 2.5A .0286ohms 451 NANO2 045102.5MRL Littelfuse 1: £1.56 8,783In Stock	Mfr. Part No. 045102.5MRL Mouser Part No 576-045102.5MRL	Littelfuse	Surface Mount Fuses 125VAC 2.5A .0286ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	8,783In Stock	Cut Tape £1.56 £1.41 £1.33 £1.14 View Reel £0.794 £0.978 £0.952 £0.803 £0.794 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 20A 65V NANO2 0451020.MRL Littelfuse 1: £2.70 8,756In Stock 7,000Expected 01/03/2027	Mfr. Part No. 0451020.MRL Mouser Part No 576-0451020.MRL	Littelfuse	Surface Mount Fuses 20A 65V NANO2	Datasheet	8,756In Stock 7,000Expected 01/03/2027	Cut Tape £2.70 £2.34 £2.17 £1.80 View Reel £1.20 £1.65 £1.41 £1.27 £1.20 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 3.5A .02ohms 451 NANO2 045103.5MRL Littelfuse 1: £1.64 4,362In Stock	Mfr. Part No. 045103.5MRL Mouser Part No 576-045103.5MRL	Littelfuse	Surface Mount Fuses 125VAC 3.5A .02ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	4,362In Stock	Cut Tape £1.64 £1.49 £1.32 £1.15 View Reel £0.766 £1.05 £0.952 £0.856 £0.766 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 6.3A .0096ohms 451 NANO2 045106.3MRL Littelfuse 1: £1.74 4,963In Stock 6,000Expected 09/11/2026	Mfr. Part No. 045106.3MRL Mouser Part No 576-045106.3MRL	Littelfuse	Surface Mount Fuses 125VAC 6.3A .0096ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	4,963In Stock 6,000Expected 09/11/2026	Cut Tape £1.74 £1.64 £1.29 £1.15 View Reel £0.766 £0.952 £0.925 £0.766 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 1.25A .078ohms 451 NANO2 04511.25MRL Littelfuse 1: £1.69 3,508In Stock	Mfr. Part No. 04511.25MRL Mouser Part No 576-04511.25MRL	Littelfuse	Surface Mount Fuses 125VAC 1.25A .078ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	3,508In Stock	Cut Tape £1.69 £1.54 £1.38 £1.19 View Reel £0.766 £1.05 £0.96 £0.871 £0.766 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 3.15A .0215ohms 451 NANO2 04513.15MRL Littelfuse 1: £1.75 2,407In Stock 4,000Expected 23/12/2026	Mfr. Part No. 04513.15MRL Mouser Part No 576-04513.15MRL	Littelfuse	Surface Mount Fuses 125VAC 3.15A .0215ohms 451 NANO2 Learn More about Littelfuse nano fuses	Datasheet	2,407In Stock 4,000Expected 23/12/2026	Cut Tape £1.75 £1.55 £1.42 £1.19 View Reel £0.777 £1.05 £0.986 £0.882 £0.777 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 0.062A 5.5ohms 453 NANO2 0453.062MR Littelfuse 1: £3.46 1,852In Stock 15,000On Order	Mfr. Part No. 0453.062MR Mouser Part No 576-0453.062MR	Littelfuse	Surface Mount Fuses 125VAC 0.062A 5.5ohms 453 NANO2	Datasheet	1,852In Stock 15,000On Order On Order Ship Dates Mfr. No: 0453.062MR Stock: 1,852 Can Dispatch Immediately On Order: 6,000 Expected 26/03/2027 4,000 Expected 29/03/2027 5,000 Expected 29/04/2027 Factory Lead Time: 27 Weeks	Cut Tape £3.46 £2.96 £2.73 £2.27 View Reel £1.56 £2.06 £1.88 £1.71 £1.56 MouseReel Available	Min.: 1 Mult.: 1 : 1,000

Types of Circuit Protection

Customer Service Office

Company

Resources

Support