Circuit Protection – Mouser Canada

.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: 278

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 (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Surface Mount Fuses 125VAC 1A .2516ohms 449 NANO2 0449001.MR Littelfuse 1: $4.33 8,393In Stock	Mfr. Part # 0449001.MR Mouser Part # 576-0449001.MR	Littelfuse	Surface Mount Fuses 125VAC 1A .2516ohms 449 NANO2 Learn More about Littelfuse nano fuses	Datasheet	8,393In Stock	Cut Tape $4.33 $3.95 $3.64 $3.00 View Reel $2.07 $2.55 $2.29 $2.10 $2.07 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 0.75A .408ohms 449 NANO2 0449.750MR Littelfuse 1: $4.22 1,177In Stock	Mfr. Part # 0449.750MR Mouser Part # 576-0449.750MR	Littelfuse	Surface Mount Fuses 125VAC 0.75A .408ohms 449 NANO2 Learn More about Littelfuse nano fuses	Datasheet	1,177In Stock	Cut Tape $4.22 $3.83 $3.70 $2.91 Reel $1.93 View $2.46 $2.32 $2.04 $1.80 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 26V 100A 190pF V26MLA0805NT Littelfuse 1: $0.677 8,555In Stock	Mfr. Part # V26MLA0805NT Mouser Part # 576-V26MLA0805NT	Littelfuse	Varistors 26V 100A 190pF Learn More about Littelfuse Littelfuse Varistors	Datasheet	8,555In Stock	Cut Tape $0.677 $0.423 $0.367 $0.34 View Reel $0.239 $0.324 $0.311 $0.297 $0.282 $0.239 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Varistors MLV VARISTOR 9V 0402 ML SERIES LOW CAP V9MLA0402LNR Littelfuse 1: $0.461 10,228In Stock	Mfr. Part # V9MLA0402LNR Mouser Part # 576-V9MLA0402LNR	Littelfuse	Varistors MLV VARISTOR 9V 0402 ML SERIES LOW CAP Learn More about Littelfuse Littelfuse Varistors	Datasheet	10,228In Stock	Cut Tape $0.461 $0.288 $0.249 $0.23 View Reel $0.216 $0.219 $0.216 $0.216 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
NTC Thermistors THERMISTOR KC103J2F Littelfuse 1: $6.05 4,388In Stock	Mfr. Part # KC103J2F Mouser Part # 576-KC103J2F	Littelfuse	NTC Thermistors THERMISTOR Learn More about Littelfuse renewable energy	Datasheet	4,388In Stock	$6.05 $5.41 $5.18 $4.91 View $4.71 $4.54 $4.10 $3.61	Min.: 1 Mult.: 1
Varistors MLV Varistor 18V 0402 ML SERIES STD V18MLA0402NR Littelfuse 1: $0.547 14,104In Stock	Mfr. Part # V18MLA0402NR Mouser Part # 576-V18MLA0402NH	Littelfuse	Varistors MLV Varistor 18V 0402 ML SERIES STD Learn More about Littelfuse Littelfuse Varistors	Datasheet	14,104In Stock	Cut Tape $0.547 $0.338 $0.292 $0.271 View Reel $0.187 $0.258 $0.246 $0.235 $0.22 $0.187 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Varistors MULTI-LAYER VARISTOR SURFACE MOUNT V18MLA0805NT Littelfuse 1: $0.677 5,337In Stock	Mfr. Part # V18MLA0805NT Mouser Part # 576-V18MLA0805NT	Littelfuse	Varistors MULTI-LAYER VARISTOR SURFACE MOUNT Learn More about Littelfuse Littelfuse Varistors	Datasheet	5,337In Stock	Cut Tape $0.677 $0.423 $0.367 $0.34 View Reel $0.239 $0.324 $0.311 $0.297 $0.282 $0.239 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Varistors MULTI-LAYER VARISTOR SURFACE MOUNT V65MLA2220NS Littelfuse 1: $2.82 990In Stock	Mfr. Part # V65MLA2220NS Mouser Part # 576-V65MLA2220NS	Littelfuse	Varistors MULTI-LAYER VARISTOR SURFACE MOUNT	Datasheet	990In Stock	Cut Tape $2.82 $2.09 $1.90 $1.68 Reel $1.45 View $1.60 $1.23 $1.21 MouseReel Available	Min.: 1 Mult.: 1 : 500
ESD Protection Diodes / TVS Diodes 600W 350V 5% Uni-Directional SMBJ350A Littelfuse 1: $1.20 5,239In Stock	Mfr. Part # SMBJ350A Mouser Part # 576-SMBJ350A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 350V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	5,239In Stock	Cut Tape $1.20 $0.54 $0.477 $0.363 Reel $0.282 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC Thermistors NTC THERMISTOR 1K OH M 10% EPOXY BEAD KC102F2K Littelfuse 1: $3.99 833In Stock	Mfr. Part # KC102F2K Mouser Part # 576-KC102F2K	Littelfuse	NTC Thermistors NTC THERMISTOR 1K OH M 10% EPOXY BEAD Learn More about Littelfuse kc thermistors	Datasheet	833In Stock	$3.99 $3.00 $2.66 $2.53 View $2.46 $2.20 $2.10 $1.96	Min.: 1 Mult.: 1
Varistors Automotive Varistor AEC-Q200 V68MLA1206NHAUTO Littelfuse 1: $2.64 299In Stock 2,500Expected 2026-11-03	Mfr. Part # V68MLA1206NHAUTO Mouser Part # 576-V68MLA1206NHAUTO	Littelfuse	Varistors Automotive Varistor AEC-Q200	Datasheet	299In Stock 2,500Expected 2026-11-03	Cut Tape $2.64 $1.77 $1.37 $1.28 View Reel $0.844 $1.13 $0.904 $0.844 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Varistors MULTI-LAYER VARISTOR SURFACE MOUNT V18MLA1210NH Littelfuse 1: $2.43 29,832In Stock	Mfr. Part # V18MLA1210NH Mouser Part # 576-V18MLA1210NH	Littelfuse	Varistors MULTI-LAYER VARISTOR SURFACE MOUNT Learn More about Littelfuse Littelfuse Varistors	Datasheet	29,832In Stock	Cut Tape $2.43 $1.63 $1.44 $1.35 View Reel $1.17 $1.30 $1.23 $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors MULTI-LAYER VARISTOR SURFACE MOUNT V30MLA1210NH Littelfuse 1: $2.09 22,331In Stock	Mfr. Part # V30MLA1210NH Mouser Part # 576-V30MLA1210NH	Littelfuse	Varistors MULTI-LAYER VARISTOR SURFACE MOUNT Learn More about Littelfuse Littelfuse Varistors	Datasheet	22,331In Stock	Cut Tape $2.09 $1.38 $1.22 $1.15 View Reel $0.988 $1.10 $1.06 $0.988 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors 33V 180A 500pF V33MLA1206NH Littelfuse 1: $1.84 38,554In Stock	Mfr. Part # V33MLA1206NH Mouser Part # 576-V33MLA1206NH	Littelfuse	Varistors 33V 180A 500pF Learn More about Littelfuse Littelfuse Varistors	Datasheet	38,554In Stock	Cut Tape $1.84 $1.21 $1.07 $1.00 View Reel $0.857 $0.963 $0.93 $0.857 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Surface Mount Fuses 125VAC 0.375A 1.513ohms 449 NANO2 0449.375MR Littelfuse 1: $4.52 5,633In Stock	Mfr. Part # 0449.375MR Mouser Part # 576-0449.375MR	Littelfuse	Surface Mount Fuses 125VAC 0.375A 1.513ohms 449 NANO2 Learn More about Littelfuse nano fuses	Datasheet	5,633In Stock	Cut Tape $4.52 $3.95 $3.73 $3.01 View Reel $1.80 $2.65 $2.43 $2.20 $1.80 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 0.5A .7633ohms 449 NANO2 0449.500MR Littelfuse 1: $4.32 2,235In Stock	Mfr. Part # 0449.500MR Mouser Part # 576-0449.500MR	Littelfuse	Surface Mount Fuses 125VAC 0.5A .7633ohms 449 NANO2 Learn More about Littelfuse nano fuses	Datasheet	2,235In Stock	Cut Tape $4.32 $3.93 $3.54 $3.04 View Reel $2.07 $2.75 $2.48 $2.17 $2.07 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 2A .0708ohms 449 NANO2 0449002.MR Littelfuse 1: $4.41 8,097In Stock	Mfr. Part # 0449002.MR Mouser Part # 576-0449002.MR	Littelfuse	Surface Mount Fuses 125VAC 2A .0708ohms 449 NANO2 Learn More about Littelfuse nano fuses	Datasheet	8,097In Stock	Cut Tape $4.41 $4.00 $3.76 $3.08 View Reel $2.07 $2.72 $2.52 $2.25 $2.07 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 3A .0352ohms 449 NANO2 0449003.MR Littelfuse 1: $4.69 9,234In Stock	Mfr. Part # 0449003.MR Mouser Part # 576-0449003.MR	Littelfuse	Surface Mount Fuses 125VAC 3A .0352ohms 449 NANO2 Learn More about Littelfuse nano fuses	Datasheet	9,234In Stock	Cut Tape $4.69 $4.08 $3.76 $3.12 View Reel $2.07 $2.79 $2.56 $2.33 $2.07 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 4A .0227ohms 449 NANO2 0449004.MR Littelfuse 1: $4.22 4,957In Stock	Mfr. Part # 0449004.MR Mouser Part # 576-0449004.MR	Littelfuse	Surface Mount Fuses 125VAC 4A .0227ohms 449 NANO2 Learn More about Littelfuse nano fuses	Datasheet	4,957In Stock	Cut Tape $4.22 $3.83 $3.70 $2.91 View Reel $1.80 $2.46 $2.32 $2.04 $1.80 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 5A .0171ohms 449 NANO2 0449005.MR Littelfuse 1: $4.33 2,764In Stock 2,000Expected 2027-03-02	Mfr. Part # 0449005.MR Mouser Part # 576-0449005.MR	Littelfuse	Surface Mount Fuses 125VAC 5A .0171ohms 449 NANO2 Learn More about Littelfuse nano fuses	Datasheet	2,764In Stock 2,000Expected 2027-03-02	Cut Tape $4.33 $3.84 $3.61 $2.62 View Reel $2.07 $2.38 $2.26 $2.09 $2.07 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Surface Mount Fuses 125VAC 1.5A .1186ohms 449 NANO2 044901.5MR Littelfuse 1: $4.69 4,111In Stock	Mfr. Part # 044901.5MR Mouser Part # 576-044901.5MR	Littelfuse	Surface Mount Fuses 125VAC 1.5A .1186ohms 449 NANO2 Learn More about Littelfuse nano fuses	Datasheet	4,111In Stock	Cut Tape $4.69 $4.08 $3.76 $3.12 View Reel $2.07 $2.61 $2.43 $2.25 $2.07 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes 600W 12V 5% Uni-Directional SMBJ12A Littelfuse 1: $0.706 39,700In Stock 84,870On Order	Mfr. Part # SMBJ12A Mouser Part # 576-SMBJ12A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 12V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	39,700In Stock 84,870On Order On Order Ship Dates Mfr. #: SMBJ12A Stock: 39,700 Can Ship Immediately On Order: 6,870 Expected 2026-11-04 33,000 Expected 2026-11-25 45,000 Expected 2027-04-13 Factory Lead-Time: 25 Weeks	Cut Tape $0.706 $0.314 $0.275 $0.206 Reel $0.128 View $0.186 $0.114 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 12V 5% Bi-Directional SMBJ12CA Littelfuse 1: $0.648 23,416In Stock 99,000On Order	Mfr. Part # SMBJ12CA Mouser Part # 576-SMBJ12CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 12V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	23,416In Stock 99,000On Order On Order Ship Dates Mfr. #: SMBJ12CA Stock: 23,416 Can Ship Immediately On Order: 42,000 Expected 2026-12-08 57,000 Expected 2027-03-01 Factory Lead-Time: 25 Weeks	Cut Tape $0.648 $0.347 $0.278 $0.217 Reel $0.143 View $0.194 $0.138 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 15V 5% Uni-Directional SMBJ15A Littelfuse 1: $0.605 25,968In Stock 27,000Expected 2026-12-14	Mfr. Part # SMBJ15A Mouser Part # 576-SMBJ15A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 15V 5% Uni-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	25,968In Stock 27,000Expected 2026-12-14	Cut Tape $0.605 $0.314 $0.249 $0.184 Reel $0.122 View $0.161 $0.114 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 18V 5% Bi-Directional SMBJ18CA Littelfuse 1: $0.821 64,420In Stock 36,000Expected 2027-05-19	Mfr. Part # SMBJ18CA Mouser Part # 576-SMBJ18CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 18V 5% Bi-Directional Learn More about Littelfuse smbj tvs diodes	Datasheet	64,420In Stock 36,000Expected 2027-05-19	Cut Tape $0.821 $0.37 $0.324 $0.222 Reel $0.153 View $0.20 $0.151 $0.138 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

Types of Circuit Protection

Mouser®

Company

Resources

Support