Circuit Protection – Mouser Canada

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Types of Circuit Protection

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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 Zen TVS 400W 17V UNI SOD-123FL TR13 SZSMF4L17AT3G Littelfuse 1: $1.15 9,226In Stock	Mfr. Part # SZSMF4L17AT3G Mouser Part # 576-SZSMF4L17AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 17V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	9,226In Stock	Cut Tape $1.15 $0.521 $0.459 $0.35 Reel $0.251 View $0.338 $0.324 $0.216 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 18V BI SOD-123FL TR13 SZSMF4L18CAT3G Littelfuse 1: $1.18 5,811In Stock	Mfr. Part # SZSMF4L18CAT3G Mouser Part # 576-SZSMF4L18CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 18V BI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	5,811In Stock	Cut Tape $1.18 $0.536 $0.472 $0.36 View Reel $0.225 $0.35 $0.334 $0.225 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 20V BI SOD-123FL TR13 SZSMF4L20CAT3G Littelfuse 1: $1.18 8,024In Stock	Mfr. Part # SZSMF4L20CAT3G Mouser Part # 576-SZSMF4L20CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 20V BI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	8,024In Stock	Cut Tape $1.18 $0.536 $0.472 $0.36 Reel $0.259 View $0.35 $0.334 $0.225 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 22V BI SOD-123FL TR13 SZSMF4L22CAT3G Littelfuse 1: $1.18 8,295In Stock	Mfr. Part # SZSMF4L22CAT3G Mouser Part # 576-SZSMF4L22CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 22V BI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	8,295In Stock	Cut Tape $1.18 $0.536 $0.472 $0.36 Reel $0.259 View $0.35 $0.314 $0.225 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 26V BI SOD-123FL TR13 SZSMF4L26CAT3G Littelfuse 1: $1.18 3,763In Stock 5,000Expected 2026-11-17	Mfr. Part # SZSMF4L26CAT3G Mouser Part # 576-SZSMF4L26CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 26V BI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	3,763In Stock 5,000Expected 2026-11-17	Cut Tape $1.18 $0.536 $0.472 $0.36 View Reel $0.225 $0.35 $0.334 $0.225 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 28V UNI SOD-123FL TR13 SZSMF4L28AT3G Littelfuse 1: $1.15 3,357In Stock	Mfr. Part # SZSMF4L28AT3G Mouser Part # 576-SZSMF4L28AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 28V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	3,357In Stock	Cut Tape $1.15 $0.521 $0.459 $0.35 View Reel $0.216 $0.338 $0.302 $0.216 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 28V BI SOD-123FL TR13 SZSMF4L28CAT3G Littelfuse 1: $1.21 4,986In Stock 20,000Expected 2027-02-16	Mfr. Part # SZSMF4L28CAT3G Mouser Part # 576-SZSMF4L28CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 28V BI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	4,986In Stock 20,000Expected 2027-02-16	Cut Tape $1.21 $0.762 $0.497 $0.374 Reel $0.304 View $0.341 $0.312 $0.259 $0.236 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 30V UNI SOD-123FL TR13 SZSMF4L30AT3G Littelfuse 1: $1.15 6,381In Stock	Mfr. Part # SZSMF4L30AT3G Mouser Part # 576-SZSMF4L30AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 30V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	6,381In Stock	Cut Tape $1.15 $0.521 $0.459 $0.35 Reel $0.251 View $0.338 $0.324 $0.216 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 30V BI SOD-123FL TR13 SZSMF4L30CAT3G Littelfuse 1: $1.18 4,563In Stock 15,000Expected 2027-05-05	Mfr. Part # SZSMF4L30CAT3G Mouser Part # 576-SZSMF4L30CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 30V BI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	4,563In Stock 15,000Expected 2027-05-05	Cut Tape $1.18 $0.536 $0.472 $0.36 View Reel $0.225 $0.343 $0.314 $0.225 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 40V UNI SOD-123FL TR13 SZSMF4L40AT3G Littelfuse 1: $1.21 4,965In Stock	Mfr. Part # SZSMF4L40AT3G Mouser Part # 576-SZSMF4L40AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 40V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	4,965In Stock	Cut Tape $1.21 $0.552 $0.481 $0.366 Reel $0.222 View $0.347 $0.333 $0.217 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 40V BI SOD-123FL TR13 SZSMF4L40CAT3G Littelfuse 1: $1.18 9,148In Stock	Mfr. Part # SZSMF4L40CAT3G Mouser Part # 576-SZSMF4L40CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 40V BI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	9,148In Stock	Cut Tape $1.18 $0.536 $0.472 $0.36 Reel $0.259 View $0.343 $0.314 $0.225 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 48V BI SOD-123FL TR13 SZSMF4L48CAT3G Littelfuse 1: $1.18 8,966In Stock	Mfr. Part # SZSMF4L48CAT3G Mouser Part # 576-SZSMF4L48CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 48V BI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	8,966In Stock	Cut Tape $1.18 $0.536 $0.472 $0.36 Reel $0.259 View $0.343 $0.314 $0.225 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 51V BI SOD-123FL TR13 SZSMF4L51CAT3G Littelfuse 1: $1.18 3,390In Stock	Mfr. Part # SZSMF4L51CAT3G Mouser Part # 576-SZSMF4L51CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 51V BI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	3,390In Stock	Cut Tape $1.18 $0.536 $0.472 $0.36 View Reel $0.225 $0.35 $0.334 $0.225 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 6.0V UNI SOD-123FL TR13 SZSMF4L6.0AT3G Littelfuse 1: $1.15 1,364In Stock 5,000Expected 2027-02-23	Mfr. Part # SZSMF4L6.0AT3G Mouser Part # 576-SZSMF4L6.0AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 6.0V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	1,364In Stock 5,000Expected 2027-02-23	Cut Tape $1.15 $0.625 $0.459 $0.35 View Reel $0.216 $0.338 $0.324 $0.216 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 7.0V UNI SOD-123FL TR13 SZSMF4L7.0AT3G Littelfuse 1: $1.15 9,993In Stock	Mfr. Part # SZSMF4L7.0AT3G Mouser Part # 576-SZSMF4L7.0AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 7.0V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	9,993In Stock	Cut Tape $1.15 $0.521 $0.459 $0.35 Reel $0.251 View $0.338 $0.324 $0.216 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 70V UNI SOD-123FL TR13 SZSMF4L70AT3G Littelfuse 1: $1.15 8,494In Stock	Mfr. Part # SZSMF4L70AT3G Mouser Part # 576-SZSMF4L70AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 70V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	8,494In Stock	Cut Tape $1.15 $0.521 $0.459 $0.35 Reel $0.251 View $0.338 $0.302 $0.216 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 70V BI SOD-123FL TR13 SZSMF4L70CAT3G Littelfuse 1: $1.18 2,875In Stock	Mfr. Part # SZSMF4L70CAT3G Mouser Part # 576-SZSMF4L70CAT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 70V BI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	2,875In Stock	Cut Tape $1.18 $0.536 $0.472 $0.36 View Reel $0.225 $0.35 $0.334 $0.225 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 75V UNI SOD-123FL TR13 SZSMF4L75AT3G Littelfuse 1: $1.15 9,283In Stock	Mfr. Part # SZSMF4L75AT3G Mouser Part # 576-SZSMF4L75AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 75V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	9,283In Stock	Cut Tape $1.15 $0.521 $0.459 $0.363 Reel $0.251 View $0.357 $0.216 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes Zen TVS 400W 78V UNI SOD-123FL TR13 SZSMF4L78AT3G Littelfuse 1: $1.15 3,010In Stock	Mfr. Part # SZSMF4L78AT3G Mouser Part # 576-SZSMF4L78AT3G	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 400W 78V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf4l tvs diodes	Datasheet	3,010In Stock	Cut Tape $1.15 $0.521 $0.459 $0.35 View Reel $0.216 $0.338 $0.324 $0.216 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes TVS 600W ASYM DO214AA AEQ101 T&R TPSMB1505CA Littelfuse 1: $1.58 3,280In Stock	Mfr. Part # TPSMB1505CA Mouser Part # 576-TPSMB1505CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 600W ASYM DO214AA AEQ101 T&R Learn More about Littelfuse tpsmb asymmetric diodes	Datasheet	3,280In Stock	Cut Tape $1.58 $0.733 $0.649 $0.53 Reel $0.39 View $0.511 $0.341 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS 600W ASYM DO214AA AEQ101 T&R TPSMB1805CA Littelfuse 1: $1.58 2,972In Stock 100On Order	Mfr. Part # TPSMB1805CA Mouser Part # 576-TPSMB1805CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 600W ASYM DO214AA AEQ101 T&R Learn More about Littelfuse tpsmb asymmetric diodes	Datasheet	2,972In Stock 100On Order	Cut Tape $1.58 $0.733 $0.649 $0.501 Reel $0.39 View $0.482 $0.341 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 32V HIGH I2T 0603 2A AEC-Q200 0441002.WRA Littelfuse 1: $2.36 3,365In Stock	Mfr. Part # 0441002.WRA Mouser Part # 576-0441002.WRA	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 2A AEC-Q200 Learn More about Littelfuse 441 smd fuses	Datasheet	3,365In Stock	Cut Tape $2.36 $2.17 $1.79 $1.63 Reel $1.18 View $1.48 $1.34 $1.23 $1.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 32V HIGH I2T 0603 3A AEC-Q200 0441003.WRA Littelfuse 1: $2.84 2,938In Stock	Mfr. Part # 0441003.WRA Mouser Part # 576-0441003.WRA	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 3A AEC-Q200 Learn More about Littelfuse 441 smd fuses	Datasheet	2,938In Stock	Cut Tape $2.84 $2.29 $1.86 $1.70 Reel $1.18 View $1.53 $1.41 $1.29 $1.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 32V HIGH I2T 0603 5A AEC-Q200 0441005.WRA Littelfuse 1: $2.36 5,114In Stock	Mfr. Part # 0441005.WRA Mouser Part # 576-0441005.WRA	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 5A AEC-Q200 Learn More about Littelfuse 441 smd fuses	Datasheet	5,114In Stock	Cut Tape $2.36 $2.17 $1.81 $1.67 View Reel $1.14 $1.50 $1.38 $1.27 $1.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses FUSE 32V HIGH I2T 0603 6A AEC-Q200 0441006.WRA Littelfuse 1: $2.36 3,945In Stock	Mfr. Part # 0441006.WRA Mouser Part # 576-0441006.WRA	Littelfuse	Surface Mount Fuses FUSE 32V HIGH I2T 0603 6A AEC-Q200 Learn More about Littelfuse 441 smd fuses	Datasheet	3,945In Stock	Cut Tape $2.36 $2.17 $1.81 $1.67 View Reel $1.14 $1.50 $1.38 $1.27 $1.14 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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Types of Circuit Protection