Circuit Protection – Mouser Puerto Rico

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

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.

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

Types of Circuit Protection

List Images

Results: 403

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 (USD) 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: $2.97 A tariff of 40% may be applied if shipping to the United States. 1,618In Stock 3,000Expected 1/12/2027 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 1/12/2027	Cut Tape $2.97 $1.92 $1.56 $1.32 $1.04 Reel $0.882 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS SURF MT 600W 219V DO214AA AEQ101 T&R TPSMB219A Littelfuse 1: $1.26 A tariff of 40% may be applied if shipping to the United States. 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 $1.26 $0.584 $0.519 $0.402 Reel $0.29 View $0.264 $0.248 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS 1.5KW 300V Uni DO-214AB TR13 RoHS TPSMC300A Littelfuse 1: $1.82 A tariff of 40% may be applied if shipping to the United States. 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 $1.82 $1.16 $0.864 $0.771 Reel $0.436 View $0.608 $0.531 $0.413 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 1.75A 04401.75WRA Littelfuse 1: $1.83 A tariff of 10% may be applied if shipping to the United States. 2,814In Stock	Mfr. Part # 04401.75WRA Mouser Part # 576-04401.75WRA	Littelfuse	Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 1.75A Learn More about Littelfuse 440a fuses	Datasheet	2,814In Stock	Cut Tape $1.83 $1.65 $1.57 $1.27 View Reel $0.752 $1.07 $1.05 $0.753 $0.752 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 26V AEC-Q101 5% Uni-Directional TPSMA6L26A Littelfuse 1: $0.67 A tariff of 40% may be applied if shipping to the United States. 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 $0.67 $0.35 $0.272 $0.205 Reel $0.158 View $0.202 $0.157 $0.141 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 530V AEC-Q101 5% Bi-Directional TPSMB530CA-A Littelfuse 1: $1.11 A tariff of 40% may be applied if shipping to the United States. 3,982In Stock	Mfr. Part # TPSMB530CA-A Mouser Part # 576-TPSMB530CA-A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 530V AEC-Q101 5% Bi-Directional Learn More about Littelfuse tpsmb tvs diodes	Datasheet	3,982In Stock	Cut Tape $1.11 $0.728 $0.625 $0.526 Reel $0.36 View $0.433 $0.373 $0.336 $0.33 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 600V AEC-Q101 5% Bi-Directional TPSMB600CA-A Littelfuse 1: $1.59 A tariff of 40% may be applied if shipping to the United States. 6,021In Stock	Mfr. Part # TPSMB600CA-A Mouser Part # 576-TPSMB600CA-A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 600V AEC-Q101 5% Bi-Directional Learn More about Littelfuse tpsmb tvs diodes	Datasheet	6,021In Stock	Cut Tape $1.59 $0.728 $0.627 $0.547 Reel $0.348 View $0.47 $0.463 $0.344 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 36V AEC-Q101 5% Bi-Directional TPSMC36CA Littelfuse 1: $1.31 A tariff of 40% may be applied if shipping to the United States. 7,364In Stock	Mfr. Part # TPSMC36CA Mouser Part # 576-TPSMC36CA	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 36V AEC-Q101 5% Bi-Directional Learn More about Littelfuse tpsmc tvs diodes	Datasheet	7,364In Stock	Cut Tape $1.31 $0.822 $0.61 $0.541 Reel $0.276 View $0.421 $0.361 $0.269 $0.262 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 3kW 48V AEC-Q101 5% Bi-Directional TPSMD48CA Littelfuse 1: $1.74 A tariff of 40% may be applied if shipping to the United States. 5,995In Stock	Mfr. Part # TPSMD48CA Mouser Part # 576-TPSMD48CA	Littelfuse	ESD Protection Diodes / TVS Diodes 3kW 48V AEC-Q101 5% Bi-Directional Learn More about Littelfuse TPSMD TVS diodes	Datasheet	5,995In Stock	Cut Tape $1.74 $1.10 $0.836 $0.738 Reel $0.448 View $0.575 $0.495 $0.446 $0.424 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 3kW 78V AEC-Q101 5% Uni-Directional TPSMD78A Littelfuse 1: $1.73 A tariff of 40% may be applied if shipping to the United States. 4,656In Stock	Mfr. Part # TPSMD78A Mouser Part # 576-TPSMD78A	Littelfuse	ESD Protection Diodes / TVS Diodes 3kW 78V AEC-Q101 5% Uni-Directional Learn More about Littelfuse TPSMD TVS diodes	Datasheet	4,656In Stock	Cut Tape $1.73 $1.10 $0.819 $0.731 View Reel $0.385 $0.575 $0.495 $0.385 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 4A 0440004.WRA Littelfuse 1: $1.83 A tariff of 10% may be applied if shipping to the United States. 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 $1.83 $1.65 $1.57 $1.27 View Reel $0.753 $1.07 $1.05 $0.886 $0.826 $0.753 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 100V AEC-Q101 5% Bi-Directional TPSMB100CA Littelfuse 1: $1.26 A tariff of 40% may be applied if shipping to the United States. 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 $1.26 $0.465 $0.399 $0.333 Reel $0.278 View $0.328 $0.275 $0.248 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 300V AEC-Q101 5% Bi-Directional TPSMB300CA-A Littelfuse 1: $1.55 A tariff of 40% may be applied if shipping to the United States. 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 $1.55 $0.976 $0.727 $0.647 Reel $0.36 View $0.506 $0.454 $0.336 $0.33 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 400V AEC-Q101 5% Uni-Directional TPSMB400A-A Littelfuse 1: $1.03 A tariff of 40% may be applied if shipping to the United States. 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 $1.03 $0.738 $0.629 $0.573 Reel $0.333 View $0.473 $0.416 $0.312 $0.303 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 18V AEC-Q101 5% Bi-Directional TPSMC18CA Littelfuse 1: $1.31 A tariff of 40% may be applied if shipping to the United States. 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 $1.31 $0.822 $0.61 $0.541 Reel $0.276 View $0.421 $0.361 $0.262 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 43V AEC-Q101 5% Uni-Directional TPSMC43A Littelfuse 1: $1.09 A tariff of 40% may be applied if shipping to the United States. 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 $1.09 $0.724 $0.56 $0.476 View Reel $0.295 $0.37 $0.356 $0.295 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 3kW 16V AEC-Q101 5% Uni-Directional TPSMD16A Littelfuse 1: $1.73 A tariff of 40% may be applied if shipping to the United States. 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 $1.73 $1.10 $0.82 $0.731 Reel $0.407 View $0.575 $0.495 $0.385 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Varistors 18V 1270pF 1206 AEC-Q200 MLA AUTO V18MLA1206NHAUTO Littelfuse 1: $1.36 A tariff of 30% may be applied if shipping to the United States. 5,000In Stock	Mfr. Part # V18MLA1206NHAUTO Mouser Part # 576-V18MLA1206NHAUTO	Littelfuse	Varistors 18V 1270pF 1206 AEC-Q200 MLA AUTO Learn More about Littelfuse aumov varistors	Datasheet	5,000In Stock	Cut Tape $1.36 $0.89 $0.787 $0.738 Reel $0.559 View $0.708 $0.638 $0.537 $0.52 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 2,500
Resettable Fuses - PPTC .5A 24V Mini SMD AEC-Q200 MINIASMDC050F-2 Littelfuse 1: $0.56 A tariff of 30% may be applied if shipping to the United States. 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 $0.56 $0.514 $0.427 $0.394 Reel $0.237 View $0.354 $0.301 $0.218 $0.211 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 2,000
Surface Mount Fuses 1.75A 63V 1206 Fast-Acting AEC-Q200 04371.75WRA Littelfuse 1: $1.73 A tariff of 10% may be applied if shipping to the United States. 2,886In Stock	Mfr. Part # 04371.75WRA Mouser Part # 576-04371.75WRA	Littelfuse	Surface Mount Fuses 1.75A 63V 1206 Fast-Acting AEC-Q200 Learn More about Littelfuse 437a fuses	Datasheet	2,886In Stock	Cut Tape $1.73 $1.53 $1.45 $1.17 View Reel $0.697 $1.01 $0.965 $0.836 $0.771 $0.697 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 .500A 0440.500WRA Littelfuse 1: $1.83 A tariff of 10% may be applied if shipping to the United States. 6,457In Stock	Mfr. Part # 0440.500WRA Mouser Part # 576-0440.500WRA	Littelfuse	Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 .500A Learn More about Littelfuse 440a fuses	Datasheet	6,457In Stock	Cut Tape $1.83 $1.65 $1.57 $1.27 View Reel $0.752 $1.07 $1.05 $0.886 $0.826 $0.752 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 600W 40V AEC-Q101 5% Uni-Directional TPSMA6L40A Littelfuse 1: $0.83 A tariff of 40% may be applied if shipping to the United States. 10,894In Stock	Mfr. Part # TPSMA6L40A Mouser Part # 576-TPSMA6L40A	Littelfuse	ESD Protection Diodes / TVS Diodes 600W 40V AEC-Q101 5% Uni-Directional Learn More about Littelfuse TPSMA6L TVS diodes	Datasheet	10,894In Stock	Cut Tape $0.83 $0.375 $0.331 $0.252 Reel $0.162 View $0.24 $0.141 MouseReel Available A tariff of 40% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 63V AUTOC HIGH I2T 1206 5A 0440005.WRA Littelfuse 1: $1.83 A tariff of 10% may be applied if shipping to the United States. 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 $1.83 $1.65 $1.57 $1.27 View Reel $0.752 $1.07 $1.05 $0.886 $0.826 $0.752 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 32V HIGH I2T 0603 2.5A AEC-Q200 044102.5WRA Littelfuse 1: $1.71 A tariff of 10% may be applied if shipping to the United States. 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 $1.71 $1.51 $1.44 $1.16 View Reel $0.69 $0.999 $0.955 $0.827 $0.763 $0.69 MouseReel Available A tariff of 10% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 60V 100MA-HD 10A SMD RF4563-000 Littelfuse 1: $0.52 A tariff of 30% may be applied if shipping to the United States. 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	$0.52 $0.467 $0.397 $0.366 View $0.329 $0.304 $0.28 $0.204 $0.195 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1

ECU Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support

Share This

ECU Solutions

Types of Circuit Protection