Circuit Protection – Mouser Canada

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ECU Solutions

Littelfuse ECU Solutions offer a range of protection for the many circuits found in the Electronic Control Units (ECU) of modern automobiles. These ECUs control functions like GPS connectivity, transmission and engine control, and door lock. Littelfuse ECU Solutions include fuses, PPTCs, MOVs, MLVs, ESD suppressors, and more that provide defense against overcurrents and ESD that threaten various vehicular ECUs.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes TVS 3KW 350V 5%BI DO-214AB TR13 RoHS TPSMD350CA-A Littelfuse 1: $4.28 1,618In Stock 3,000Expected 2027-01-12 New Product	Mfr. Part # TPSMD350CA-A Mouser Part # 576-TPSMD350CA-A New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 3KW 350V 5%BI DO-214AB TR13 RoHS Learn More about Littelfuse TPSMD TVS diodes	Datasheet	1,618In Stock 3,000Expected 2027-01-12	Cut Tape $4.28 $2.76 $2.25 $1.90 $1.50 Reel $1.27 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS SURF MT 600W 219V DO214AA AEQ101 T&R TPSMB219A Littelfuse 1: $1.81 5,920In Stock	Mfr. Part # TPSMB219A Mouser Part # 576-TPSMB219A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS SURF MT 600W 219V DO214AA AEQ101 T&R Learn More about Littelfuse tpsmb tvs diodes	Datasheet	5,920In Stock	Cut Tape $1.81 $0.841 $0.747 $0.579 Reel $0.418 View $0.38 $0.357 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS 1.5KW 300V Uni DO-214AB TR13 RoHS TPSMC300A Littelfuse 1: $2.62 5,963In Stock	Mfr. Part # TPSMC300A Mouser Part # 576-TPSMC300A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 1.5KW 300V Uni DO-214AB TR13 RoHS Learn More about Littelfuse tpsmc tvs diodes	Datasheet	5,963In Stock	Cut Tape $2.62 $1.67 $1.24 $1.11 Reel $0.628 View $0.876 $0.765 $0.595 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 4A 0440004.WRA Littelfuse 1: $2.64 3,072In Stock	Mfr. Part # 0440004.WRA Mouser Part # 576-0440004.WRA	Littelfuse	Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 4A Learn More about Littelfuse 440a fuses	Datasheet	3,072In Stock	Cut Tape $2.64 $2.38 $2.26 $1.83 View Reel $1.08 $1.54 $1.51 $1.28 $1.19 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 100V AEC-Q101 5% Bi-Directional TPSMB100CA Littelfuse 1: $1.81 6,883In Stock	Mfr. Part # TPSMB100CA Mouser Part # 576-TPSMB100CA	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 100V AEC-Q101 5% Bi-Directional Learn More about Littelfuse tpsmb tvs diodes	Datasheet	6,883In Stock	Cut Tape $1.81 $0.841 $0.651 $0.521 Reel $0.444 View $0.501 $0.435 $0.357 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 300V AEC-Q101 5% Bi-Directional TPSMB300CA-A Littelfuse 1: $2.23 5,392In Stock	Mfr. Part # TPSMB300CA-A Mouser Part # 576-TPSMB300CA-A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 300V AEC-Q101 5% Bi-Directional Learn More about Littelfuse tpsmb tvs diodes	Datasheet	5,392In Stock	Cut Tape $2.23 $1.41 $1.05 $0.932 Reel $0.518 View $0.729 $0.654 $0.484 $0.475 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 400V AEC-Q101 5% Uni-Directional TPSMB400A-A Littelfuse 1: $1.48 4,615In Stock	Mfr. Part # TPSMB400A-A Mouser Part # 576-TPSMB400A-A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 400V AEC-Q101 5% Uni-Directional Learn More about Littelfuse tpsmb tvs diodes	Datasheet	4,615In Stock	Cut Tape $1.48 $1.06 $0.906 $0.825 Reel $0.48 View $0.681 $0.599 $0.449 $0.436 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 18V AEC-Q101 5% Bi-Directional TPSMC18CA Littelfuse 1: $1.89 5,031In Stock	Mfr. Part # TPSMC18CA Mouser Part # 576-TPSMC18CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 18V AEC-Q101 5% Bi-Directional Learn More about Littelfuse tpsmc tvs diodes	Datasheet	5,031In Stock	Cut Tape $1.89 $1.18 $0.878 $0.779 Reel $0.397 View $0.606 $0.52 $0.377 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 43V AEC-Q101 5% Uni-Directional TPSMC43A Littelfuse 1: $1.57 6,589In Stock	Mfr. Part # TPSMC43A Mouser Part # 576-TPSMC43A	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 43V AEC-Q101 5% Uni-Directional Learn More about Littelfuse tpsmc tvs diodes	Datasheet	6,589In Stock	Cut Tape $1.57 $1.04 $0.806 $0.685 View Reel $0.425 $0.533 $0.513 $0.425 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 3kW 16V AEC-Q101 5% Uni-Directional TPSMD16A Littelfuse 1: $2.49 5,001In Stock	Mfr. Part # TPSMD16A Mouser Part # 576-TPSMD16A	Littelfuse	ESD Protection Diodes / TVS Diodes 3kW 16V AEC-Q101 5% Uni-Directional Learn More about Littelfuse TPSMD TVS diodes	Datasheet	5,001In Stock	Cut Tape $2.49 $1.58 $1.18 $1.05 Reel $0.586 View $0.828 $0.713 $0.554 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors 18V 1270pF 1206 AEC-Q200 MLA AUTO V18MLA1206NHAUTO Littelfuse 1: $1.96 4,990In Stock	Mfr. Part # V18MLA1206NHAUTO Mouser Part # 576-V18MLA1206NHAUTO	Littelfuse	Varistors 18V 1270pF 1206 AEC-Q200 MLA AUTO Learn More about Littelfuse aumov varistors	Datasheet	4,990In Stock	Cut Tape $1.96 $1.28 $1.13 $1.06 Reel $0.805 View $1.02 $0.919 $0.799 $0.749 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Resettable Fuses - PPTC .5A 24V Mini SMD AEC-Q200 MINIASMDC050F-2 Littelfuse 1: $0.806 10,183In Stock	Mfr. Part # MINIASMDC050F-2 Mouser Part # 650-MINIASMDC050F-2	Littelfuse	Resettable Fuses - PPTC .5A 24V Mini SMD AEC-Q200 Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	10,183In Stock	Cut Tape $0.806 $0.74 $0.615 $0.567 Reel $0.341 View $0.51 $0.433 $0.314 $0.304 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 5A 0440005.WRA Littelfuse 1: $2.64 3,977In Stock	Mfr. Part # 0440005.WRA Mouser Part # 576-0440005.WRA	Littelfuse	Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 5A Learn More about Littelfuse 440a fuses	Datasheet	3,977In Stock	Cut Tape $2.64 $2.38 $2.26 $1.83 View Reel $1.08 $1.54 $1.51 $1.28 $1.19 $1.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 32V HIGH I2T 0603 2.5A AEC-Q200 044102.5WRA Littelfuse 1: $2.46 2,814In Stock	Mfr. Part # 044102.5WRA Mouser Part # 576-044102.5WRA	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 2.5A AEC-Q200 Learn More about Littelfuse 441 smd fuses	Datasheet	2,814In Stock	Cut Tape $2.46 $2.17 $2.07 $1.67 View Reel $0.994 $1.44 $1.38 $1.19 $1.10 $0.994 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 60V 100MA-HD 10A SMD RF4563-000 Littelfuse 1: $0.749 16,019In Stock	Mfr. Part # RF4563-000 Mouser Part # 576-RF4563-000	Littelfuse	Resettable Fuses - PPTC 60V 100MA-HD 10A SMD Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	16,019In Stock	$0.749 $0.672 $0.572 $0.527 View $0.474 $0.438 $0.403 $0.294 $0.281	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 600W 510V AEC-Q101 5% Uni-Directional TPSMB510A-A Littelfuse 1: $2.09 4,999In Stock	Mfr. Part # TPSMB510A-A Mouser Part # 576-TPSMB510A-A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 510V AEC-Q101 5% Uni-Directional Learn More about Littelfuse tpsmb tvs diodes	Datasheet	4,999In Stock	Cut Tape $2.09 $0.917 $0.785 $0.678 Reel $0.449 View $0.576 $0.562 $0.436 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 3kW 28V AEC-Q101 5% Uni-Directional TPSMD28A Littelfuse 1: $2.49 6,934In Stock	Mfr. Part # TPSMD28A Mouser Part # 576-TPSMD28A	Littelfuse	ESD Protection Diodes / TVS Diodes 3kW 28V AEC-Q101 5% Uni-Directional Learn More about Littelfuse TPSMD TVS diodes	Datasheet	6,934In Stock	Cut Tape $2.49 $1.58 $1.18 $1.05 View Reel $0.554 $0.828 $0.713 $0.554 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 3kW 40V AEC-Q101 5% Bi-Directional TPSMD40CA Littelfuse 1: $2.52 3,559In Stock	Mfr. Part # TPSMD40CA Mouser Part # 576-TPSMD40CA	Littelfuse	ESD Protection Diodes / TVS Diodes 3kW 40V AEC-Q101 5% Bi-Directional Learn More about Littelfuse TPSMD TVS diodes	Datasheet	3,559In Stock	Cut Tape $2.52 $1.58 $1.23 $1.06 Reel $0.636 View $0.828 $0.713 $0.626 $0.576 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors 18V 2220 125C AUML AEC-Q200 Low Profile V18AUMLA2220H Littelfuse 1: $6.08 1,789In Stock	Mfr. Part # V18AUMLA2220H Mouser Part # 576-V18AUMLA2220H	Littelfuse	Varistors 18V 2220 125C AUML AEC-Q200 Low Profile Learn More about Littelfuse auml mlv	Datasheet	1,789In Stock	Cut Tape $6.08 $5.20 $4.64 $4.31 Reel $3.61 View $4.15 $4.03 $3.60 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 26V 220pF 0805 AEC-Q200 MLA AUTO V26MLA0805NHAUTO Littelfuse 1: $0.677 18,916In Stock	Mfr. Part # V26MLA0805NHAUTO Mouser Part # 576-V26MLA0805NHAUTO	Littelfuse	Varistors 26V 220pF 0805 AEC-Q200 MLA AUTO Learn More about Littelfuse aumov varistors	Datasheet	18,916In Stock	Cut Tape $0.677 $0.423 $0.367 $0.34 Reel $0.269 View $0.324 $0.311 $0.259 $0.253 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Varistors 26V 1040pF 1210 AEC-Q200 MLA AUTO V26MLA1210NHAUTO Littelfuse 1: $2.09 9,729In Stock	Mfr. Part # V26MLA1210NHAUTO Mouser Part # 576-V26MLA1210NHAUTO	Littelfuse	Varistors 26V 1040pF 1210 AEC-Q200 MLA AUTO Learn More about Littelfuse aumov varistors	Datasheet	9,729In Stock	Cut Tape $2.09 $1.38 $1.22 $1.15 Reel $0.893 View $1.10 $1.06 $0.89 $0.863 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Resettable Fuses - PPTC .1A 60V Mini SMD AEC-Q200 MINIASMDC010F-2 Littelfuse 1: $0.936 9,911In Stock	Mfr. Part # MINIASMDC010F-2 Mouser Part # 650-MINIASMDC010F-2	Littelfuse	Resettable Fuses - PPTC .1A 60V Mini SMD AEC-Q200 Learn More about Littelfuse polyswitch automotive pptcs	Datasheet	9,911In Stock	Cut Tape $0.936 $0.855 $0.713 $0.658 Reel $0.396 View $0.59 $0.503 $0.364 $0.356 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Surface Mount Fuses FUSE 63V FA 1206 5A AECQ 0437005.WRA Littelfuse 1: $2.49 6,285In Stock	Mfr. Part # 0437005.WRA Mouser Part # 576-0437005.WRA	Littelfuse	Surface Mount Fuses FUSE 63V FA 1206 5A AECQ Learn More about Littelfuse 437a fuses	Datasheet	6,285In Stock	Cut Tape $2.49 $2.20 $2.09 $1.68 View Reel $1.01 $1.45 $1.39 $1.20 $1.11 $1.01	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 3kW 30V AEC-Q101 5% Bi-Directional TPSMD30CA Littelfuse 1: $2.49 11,439In Stock	Mfr. Part # TPSMD30CA Mouser Part # 576-TPSMD30CA	Littelfuse	ESD Protection Diodes / TVS Diodes 3kW 30V AEC-Q101 5% Bi-Directional Learn More about Littelfuse TPSMD TVS diodes	Datasheet	11,439In Stock	Cut Tape $2.49 $1.58 $1.18 $1.05 Reel $0.586 View $0.828 $0.713 $0.575 $0.573 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 26V AEC-Q101 5% Uni-Directional TPSMA6L26A Littelfuse 1: $0.965 9,252In Stock	Mfr. Part # TPSMA6L26A Mouser Part # 576-TPSMA6L26A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 26V AEC-Q101 5% Uni-Directional Learn More about Littelfuse TPSMA6L TVS diodes	Datasheet	9,252In Stock	Cut Tape $0.965 $0.504 $0.392 $0.295 Reel $0.228 View $0.291 $0.226 $0.203 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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ECU Solutions

Types of Circuit Protection