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Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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Types of Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 2% B25/50 4250K BTN06G104G4EF1T0A Bourns 1: 0,138 € 8.000In Stock New Product	Mfr. Part No. BTN06G104G4EF1T0A Mouser Part No 652-BTN061044EF1T0A New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 2% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	8.000In Stock	Cut Tape 0,138 € 0,121 € 0,107 € 0,085 € Reel 0,065 € View 0,075 € 0,071 € 0,062 € 0,059 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D152KKC Bourns 1: 2,93 € 175In Stock New Product	Mfr. Part No. MOV-20D152KKC Mouser Part No 652-MOV-20D152KKC New Product	Bourns	Varistors 20mm Radial Disc-Kinked Leads,Bulk Learn More about Bourns mov kc metal oxide varistors	Datasheet	175In Stock	2,93 € 1,86 € 1,44 € 1,34 € View 1,18 € 0,989 € 0,963 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL AK10-550C-FL Littelfuse 1: 142,74 € 1In Stock 56Expected 12/9/2026 New Product	Mfr. Part No. AK10-550C-FL Mouser Part No 576-AK10-550C-FL New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL Learn More about Littelfuse ak fl tvs diodes	Datasheet	1In Stock 56Expected 12/9/2026	142,74 € 130,32 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A ESR3XLUB0315XI Littelfuse 1: 502,64 € 2In Stock 1Expected 11/16/2026 New Product	Mfr. Part No. ESR3XLUB0315XI Mouser Part No 576-ESR3XLUB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	2In Stock 1Expected 11/16/2026	502,64 € 412,72 € 375,58 €	Min.: 1 Mult.: 1
Surface Mount Fuses SF2T 1206 32V 3A Sn Tape&Reel SF2T120632V3A00TT Vishay / Sfernice 1: 0,817 € 3.500In Stock New Product	Mfr. Part No. SF2T120632V3A00TT Mouser Part No 594-SF2T120632V3A00T New Product	Vishay / Sfernice	Surface Mount Fuses SF2T 1206 32V 3A Sn Tape&Reel Learn More about Vishay / Sfernice vishay sft sf2t time lag acting thin film fuses	Datasheet	3.500In Stock	Cut Tape 0,817 € 0,659 € 0,555 € 0,481 € View Reel 0,297 € 0,433 € 0,399 € 0,367 € 0,341 € 0,297 € MouseReel Available	Min.: 1 Mult.: 1 : 5.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 3% B25/50 4250K BTN06G104H4EF1T0A Bourns 1: 0,138 € 8.000In Stock New Product	Mfr. Part No. BTN06G104H4EF1T0A Mouser Part No 652-BTN06104H4EF1T0A New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 3% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	8.000In Stock	Cut Tape 0,138 € 0,121 € 0,107 € 0,085 € Reel 0,065 € View 0,075 € 0,071 € 0,062 € 0,059 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A ESR3XLDB0315XI Littelfuse 1: 498,58 € 3In Stock New Product	Mfr. Part No. ESR3XLDB0315XI Mouser Part No 576-ESR3XLDB0315XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	498,58 € 409,39 € 372,54 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A ESR3XLUB0400XI Littelfuse 1: 512,90 € 3In Stock New Product	Mfr. Part No. ESR3XLUB0400XI Mouser Part No 576-ESR3XLUB0400XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	512,90 € 421,15 €	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A ESR3XLUB0500XI Littelfuse 1: 523,31 € 3In Stock New Product	Mfr. Part No. ESR3XLUB0500XI Mouser Part No 576-ESR3XLUB0500XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	523,31 € 445,42 € 399,29 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes "20 V, 50pF, 5A," SP1120-01WTG Littelfuse 1: 0,525 € 8.583In Stock New Product	Mfr. Part No. SP1120-01WTG Mouser Part No 576-SP1120-01WTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes "20 V, 50pF, 5A," Learn More about Littelfuse sp1120 01wtg tvs diodes		8.583In Stock	Cut Tape 0,525 € 0,271 € 0,202 € 0,153 € Reel 0,08 € View 0,144 € 0,077 €	Min.: 1 Mult.: 1 : 10.000
Surface Mount Fuses SFT 1206 63V 0.5A Sn Tape&Reel SFT120663VA500TT Vishay / Sfernice 1: 0,533 € 3.493In Stock New Product	Mfr. Part No. SFT120663VA500TT Mouser Part No 594-SFT120663VA500TT New Product	Vishay / Sfernice	Surface Mount Fuses SFT 1206 63V 0.5A Sn Tape&Reel Learn More about Vishay / Sfernice vishay sft sf2t time lag acting thin film fuses	Datasheet	3.493In Stock	Cut Tape 0,533 € 0,423 € 0,356 € 0,313 € View Reel 0,198 € 0,281 € 0,26 € 0,239 € 0,22 € 0,198 € MouseReel Available	Min.: 1 Mult.: 1 : 5.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 5% B25/50 3380K BTN06G103J3HH1T0A Bourns 1: 0,103 € 7.900In Stock New Product	Mfr. Part No. BTN06G103J3HH1T0A Mouser Part No 652-BTN06103J3HH1T0A New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 5% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	7.900In Stock	Cut Tape 0,103 € 0,095 € 0,084 € 0,069 € Reel 0,052 € View 0,06 € 0,058 € 0,049 € 0,047 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 1% B25/50 4050K BTN06G473F4AF1T00 Bourns 1: 0,112 € 8.000In Stock New Product	Mfr. Part No. BTN06G473F4AF1T00 Mouser Part No 652-BTN06473F4AF1T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 1% B25/50 4050K Learn More about Bourns btn06g ntc thermistors	Datasheet	8.000In Stock	Cut Tape 0,112 € 0,101 € 0,089 € 0,073 € Reel 0,055 € View 0,065 € 0,061 € 0,052 € 0,051 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
ESD Protection Diodes / TVS Diodes 12V, Uni-directional, 20A-80A SVS1271P3UU.N Semtech 1: 0,464 € 6.986In Stock New Product	Mfr. Part No. SVS1271P3UU.N Mouser Part No 947-SVS1271P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 12V, Uni-directional, 20A-80A		6.986In Stock	Cut Tape 0,464 € 0,286 € 0,181 € 0,145 € Reel 0,089 € View 0,122 € 0,103 € 0,095 € 0,083 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes 36V, Uni-directional, 20A-80A SVS3671P3UU.N Semtech 1: 0,464 € 7.000In Stock New Product	Mfr. Part No. SVS3671P3UU.N Mouser Part No 947-SVS3671P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 36V, Uni-directional, 20A-80A		7.000In Stock	Cut Tape 0,464 € 0,286 € 0,181 € 0,145 € Reel 0,089 € View 0,122 € 0,103 € 0,095 € 0,083 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 SC1003-01ETG Littelfuse 1: 0,516 € 9.990In Stock New Product	Mfr. Part No. SC1003-01ETG Mouser Part No 576-SC1003-01ETG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 Learn More about Littelfuse tvs spa diode arrays	Datasheet	9.990In Stock	Cut Tape 0,516 € 0,316 € 0,201 € 0,168 € Reel 0,094 € View 0,136 € 0,116 € 0,111 € 0,09 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Surface Mount Fuses SFT 1206 32V 3A Sn Tape&Reel SFT120632V3A00TT Vishay / Sfernice 1: 0,533 € 3.500In Stock New Product	Mfr. Part No. SFT120632V3A00TT Mouser Part No 594-SFT120632V3A00TT New Product	Vishay / Sfernice	Surface Mount Fuses SFT 1206 32V 3A Sn Tape&Reel Learn More about Vishay / Sfernice vishay sft sf2t time lag acting thin film fuses	Datasheet	3.500In Stock	Cut Tape 0,533 € 0,423 € 0,356 € 0,313 € View Reel 0,198 € 0,281 € 0,26 € 0,239 € 0,22 € 0,198 € MouseReel Available	Min.: 1 Mult.: 1 : 5.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 5% B25/50 4050K BTN06G473J4AH1T00 Bourns 1: 0,103 € 8.000In Stock New Product	Mfr. Part No. BTN06G473J4AH1T00 Mouser Part No 652-BTN06473J4AH1T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 5% B25/50 4050K Learn More about Bourns btn06g ntc thermistors	Datasheet	8.000In Stock	Cut Tape 0,103 € 0,095 € 0,084 € 0,069 € Reel 0,052 € View 0,06 € 0,058 € 0,049 € 0,047 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D182KKC Bourns 1: 2,93 € 200In Stock New Product	Mfr. Part No. MOV-20D182KKC Mouser Part No 652-MOV-20D182KKC New Product	Bourns	Varistors 20mm Radial Disc-Kinked Leads,Bulk Learn More about Bourns mov kc metal oxide varistors	Datasheet	200In Stock	2,93 € 1,86 € 1,44 € 1,34 € View 1,18 € 0,989 € 0,963 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 18V, Uni-directional, 20A-80A SVS1871P3UU.N Semtech 1: 0,464 € 7.000In Stock New Product	Mfr. Part No. SVS1871P3UU.N Mouser Part No 947-SVS1871P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 18V, Uni-directional, 20A-80A		7.000In Stock	Cut Tape 0,464 € 0,286 € 0,181 € 0,145 € Reel 0,089 € View 0,122 € 0,103 € 0,095 € 0,083 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Circuit Breakers 8340-F410-P1M1-ALH0-5A E-T-A 1: 73,11 € 8In Stock New At Mouser	Mfr. Part No. 8340-F410-P1M1-ALH0-5A Mouser Part No 457-4F410P1M1ALH05A New At Mouser	E-T-A	Circuit Breakers		8In Stock	73,11 € 60,65 € 57,03 € 47,52 € View 44,37 € 44,36 € Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L SC3000-01UTG Littelfuse 1: 1,37 € 3.000In Stock New Product	Mfr. Part No. SC3000-01UTG Mouser Part No 576-SC3000-01UTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L Learn More about Littelfuse tvs spa diode arrays	Datasheet	3.000In Stock	Cut Tape 1,37 € 0,869 € 0,573 € 0,449 € Reel 0,349 € View 0,407 € 0,34 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 1% B25/50 3380K BTN06G103F3HF1T0A Bourns 1: 0,112 € 7.981In Stock New Product	Mfr. Part No. BTN06G103F3HF1T0A Mouser Part No 652-BTN06103F3HF1T0A New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 1% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	7.981In Stock	Cut Tape 0,112 € 0,101 € 0,089 € 0,073 € Reel 0,055 € View 0,065 € 0,061 € 0,052 € 0,051 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 1% B25/50 4250K BTN06G104F4EF1T0A Bourns 1: 0,138 € 8.000In Stock New Product	Mfr. Part No. BTN06G104F4EF1T0A Mouser Part No 652-BTN06104F4EF1T0A New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 1% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	8.000In Stock	Cut Tape 0,138 € 0,121 € 0,107 € 0,085 € Reel 0,065 € View 0,075 € 0,071 € 0,062 € 0,059 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 5% B25/50 4250K BTN06G104J4EH1T0A Bourns 1: 0,129 € 7.990In Stock New Product	Mfr. Part No. BTN06G104J4EH1T0A Mouser Part No 652-BTN06104J4EH1T0A New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 5% B25/50 4250K Learn More about Bourns btn06g ntc thermistors	Datasheet	7.990In Stock	Cut Tape 0,129 € 0,114 € 0,101 € 0,081 € Reel 0,061 € View 0,071 € 0,068 € 0,058 € 0,056 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000

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