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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
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 € 383,35 € Quote Quote	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
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 5% B25/50 3380K BTN06G103J3HH1T0A Bourns 1: 0,103 € 7.840In 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	7.840In 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 € 7.975In 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	7.975In 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 0805 10K B25/85 3435 BTN08G103F3JF2T00 Bourns 1: 0,146 € 2.800In Stock New Product	Mfr. Part No. BTN08G103F3JF2T00 Mouser Part No 652-TN08G103F3JF2T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 10K B25/85 3435 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2.800In Stock	Cut Tape 0,146 € 0,127 € 0,112 € 0,089 € Reel 0,067 € View 0,078 € 0,075 € 0,065 € 0,062 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 3950 BTN08G473H3UF2T00 Bourns 1: 0,146 € 2.800In Stock New Product	Mfr. Part No. BTN08G473H3UF2T00 Mouser Part No 652-TN08G473H3UF2T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 3950 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2.800In Stock	Cut Tape 0,146 € 0,127 € 0,118 € 0,094 € Reel 0,056 € View 0,086 € 0,072 € 0,065 € 0,053 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
ESD Protection Diodes / TVS Diodes 12V, Uni-directional, 20A-80A SVS1271P3UU.N Semtech 1: 0,593 € 8.000In 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		8.000In Stock	Cut Tape 0,593 € 0,37 € 0,237 € 0,176 € Reel 0,102 € View 0,143 € 0,123 € 0,121 € 0,097 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes 36V, Uni-directional, 20A-80A SVS3671P3UU.N Semtech 1: 0,593 € 8.000In 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		8.000In Stock	Cut Tape 0,593 € 0,37 € 0,237 € 0,176 € Reel 0,102 € View 0,143 € 0,123 € 0,121 € 0,097 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A ESR3XLUB0250XI Littelfuse 1: 449,28 € 3In Stock New Product	Mfr. Part No. ESR3XLUB0250XI Mouser Part No 576-ESR3XLUB0250XI New Product	Littelfuse	Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A Learn More about Littelfuse esr high speed square body fuses	Datasheet	3In Stock	449,28 € 368,91 € 335,71 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L SC712-02HTG Littelfuse 1: 1,20 € 2.216In Stock 100Expected 11/17/2026 New Product	Mfr. Part No. SC712-02HTG Mouser Part No 576-SC712-02HTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L Learn More about Littelfuse tvs spa diode arrays	Datasheet	2.216In Stock 100Expected 11/17/2026	Cut Tape 1,20 € 0,757 € 0,495 € 0,383 € Reel 0,309 € View 0,325 € 0,28 € 0,271 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes TVS 3KW 350V 5%BI DO-214AB TR13 RoHS TPSMD350CA-A Littelfuse 1: 2,55 € 1.618In Stock 3.000Expected 1/12/2027 New Product	Mfr. Part No. TPSMD350CA-A Mouser Part No 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 2,55 € 1,65 € 1,34 € 1,14 € 0,894 € Reel 0,759 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 2% B25/50 3380K BTN06G103G3HF1T0A Bourns 1: 0,112 € 7.849In Stock New Product	Mfr. Part No. BTN06G103G3HF1T0A Mouser Part No 652-BTN061033HF1T0A New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 2% B25/50 3380K Learn More about Bourns btn06g ntc thermistors	Datasheet	7.849In 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 47kO 3% B25/50 4050K BTN06G473H4AF1T00 Bourns 1: 0,112 € 8.000In Stock New Product	Mfr. Part No. BTN06G473H4AF1T00 Mouser Part No 652-BTN06473H4AF1T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 3% 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
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/50 4250 BTN08G104H4EF1T00 Bourns 1: 0,146 € 2.800In Stock New Product	Mfr. Part No. BTN08G104H4EF1T00 Mouser Part No 652-TN08G104H4EF1T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/50 4250 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2.800In Stock	Cut Tape 0,146 € 0,127 € 0,118 € 0,094 € Reel 0,056 € View 0,086 € 0,072 € 0,065 € 0,053 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L UCLAMP2001ZA.F Semtech 1: 0,516 € 21.000In Stock New Product	Mfr. Part No. UCLAMP2001ZA.F Mouser Part No 947-UCLAMP2001ZA New Product	Semtech	ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L	Datasheet	21.000In Stock	Cut Tape 0,516 € 0,361 € 0,177 € 0,148 € View Reel 0,067 € 0,102 € 0,089 € 0,085 € 0,076 € 0,067 € MouseReel Available	Min.: 1 Mult.: 1 : 15.000
ESD Protection Diodes / TVS Diodes TVS 10KA RATED 550V BI AXIAL AK10-550C-FL Littelfuse 1: 146,88 € 1In Stock 56On Order 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 56On Order On Order Ship Dates Mfr. No: AK10-550C-FL Stock: 1 Can Dispatch Immediately On Order: 45 Expected 11/10/2026 11 Expected 12/9/2026 Factory Lead Time: 19 Weeks	146,88 € 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
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 3% B25/50 4250K BTN06G104H4EF1T0A Bourns 1: 0,138 € 7.990In 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	7.990In 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 0805 10K B25/85 3970 BTN08G103H3VF2T00 Bourns 1: 0,146 € 2.800In Stock New Product	Mfr. Part No. BTN08G103H3VF2T00 Mouser Part No 652-TN08G103H3VF2T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 10K B25/85 3970 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2.800In Stock	Cut Tape 0,146 € 0,127 € 0,112 € 0,089 € Reel 0,067 € View 0,078 € 0,075 € 0,065 € 0,062 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/50 4250 BTN08G104F4EF1T00 Bourns 1: 0,146 € 2.800In Stock New Product	Mfr. Part No. BTN08G104F4EF1T00 Mouser Part No 652-TN08G104F4EF1T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/50 4250 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2.800In Stock	Cut Tape 0,146 € 0,127 € 0,118 € 0,094 € Reel 0,056 € View 0,086 € 0,072 € 0,065 € 0,053 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/50 4250 BTN08G104J4EH1T00 Bourns 1: 0,138 € 2.800In Stock New Product	Mfr. Part No. BTN08G104J4EH1T00 Mouser Part No 652-TN08G104J4EH1T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/50 4250 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2.800In Stock	Cut Tape 0,138 € 0,121 € 0,112 € 0,089 € Reel 0,053 € View 0,082 € 0,069 € 0,062 € 0,05 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 3950 BTN08G473F3UF2T00 Bourns 1: 0,146 € 2.800In Stock New Product	Mfr. Part No. BTN08G473F3UF2T00 Mouser Part No 652-TN08G473F3UF2T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 3950 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2.800In Stock	Cut Tape 0,146 € 0,127 € 0,112 € 0,089 € Reel 0,067 € View 0,078 € 0,075 € 0,065 € 0,062 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 4000 BTN08G473F4AF2T00 Bourns 1: 0,146 € 2.800In Stock New Product	Mfr. Part No. BTN08G473F4AF2T00 Mouser Part No 652-TN08G473F4AF2T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 4000 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2.800In Stock	Cut Tape 0,146 € 0,127 € 0,118 € 0,094 € Reel 0,056 € View 0,086 € 0,072 € 0,065 € 0,053 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 3950 BTN08G473J3UH2T00 Bourns 1: 0,138 € 2.800In Stock New Product	Mfr. Part No. BTN08G473J3UH2T00 Mouser Part No 652-TN08G473J3UH2T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 3950 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2.800In 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
ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 SC1003-01ETG Littelfuse 1: 0,679 € 10.010In 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	10.010In Stock	Cut Tape 0,679 € 0,427 € 0,273 € 0,204 € Reel 0,119 € View 0,165 € 0,142 € 0,14 € 0,112 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000

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Circuit Protection

Types of Circuit Protection