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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 (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 4000 BTN08G473F4AF2T00 Bourns 1: £0.127 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 £0.127 £0.111 £0.103 £0.082 Reel £0.049 View £0.075 £0.063 £0.057 £0.046 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 3950 BTN08G473J3UH2T00 Bourns 1: £0.12 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 £0.12 £0.106 £0.093 £0.074 Reel £0.057 View £0.065 £0.062 £0.054 £0.052 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV AQ3118-02JTG Littelfuse 1: £1.00 1,948In Stock New Product	Mfr. Part No. AQ3118-02JTG Mouser Part No 576-AQ3118-02JTG New Product	Littelfuse	ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV Learn More about Littelfuse aq3118 02jtg tvs diode array	Datasheet	1,948In Stock	Cut Tape £1.00 £0.63 £0.413 £0.32 £0.271 Reel £0.225 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 511KH10-AT YAGEO 1: £0.428 2,560In Stock 400Expected 11/01/2027 New Product	Mfr. Part No. 511KH10-AT Mouser Part No 603-511KH10-AT New Product	YAGEO	Varistors MOV 510V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 Learn More about YAGEO kh at metal oxide varistors	Datasheet	2,560In Stock 400Expected 11/01/2027	£0.428 £0.265 £0.206 £0.196 View £0.191 £0.184 £0.149	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 2% B25/50 4250K BTN06G104G4EF1T0A Bourns 1: £0.12 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 £0.12 £0.106 £0.093 £0.074 Reel £0.057 View £0.065 £0.062 £0.054 £0.052 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D152KKC Bourns 1: £2.56 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	£2.56 £1.62 £1.26 £1.17 View £1.03 £0.863 £0.841	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 10K B25/85 3970 BTN08G103F3VF2T00 Bourns 1: £0.127 2,800In Stock New Product	Mfr. Part No. BTN08G103F3VF2T00 Mouser Part No 652-TN08G103F3VF2T00 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 £0.127 £0.111 £0.098 £0.078 Reel £0.058 View £0.068 £0.065 £0.057 £0.054 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/85 4100 BTN08G104J4BH2T00 Bourns 1: £0.12 2,800In Stock New Product	Mfr. Part No. BTN08G104J4BH2T00 Mouser Part No 652-TN08G104J4H2T00 New Product	Bourns	NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/85 4100 Learn More about Bourns btn08g smd ntc thermistors	Datasheet	2,800In Stock	Cut Tape £0.12 £0.106 £0.098 £0.078 Reel £0.046 View £0.072 £0.06 £0.054 £0.044 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A ESR3XLDB0315XI Littelfuse 1: £435.26 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	£435.26 £357.40 £325.23	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 400A ESR3XLUB0400XI Littelfuse 1: £447.76 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	£447.76 £367.66 £334.66 Quote Quote	Min.: 1 Mult.: 1
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A ESR3XLUB0500XI Littelfuse 1: £456.85 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	£456.85 £388.85 £348.58	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 5% B25/50 3380K BTN06G103J3HH1T0A Bourns 1: £0.09 7,850In 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	7,850In Stock	Cut Tape £0.09 £0.083 £0.073 £0.06 Reel £0.045 View £0.052 £0.051 £0.043 £0.041 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 1% B25/50 4050K BTN06G473F4AF1T00 Bourns 1: £0.098 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 £0.098 £0.088 £0.078 £0.064 Reel £0.048 View £0.057 £0.053 £0.045 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 10K B25/85 3435 BTN08G103F3JF2T00 Bourns 1: £0.127 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 £0.127 £0.111 £0.098 £0.078 Reel £0.058 View £0.068 £0.065 £0.057 £0.054 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 47K B25/85 3950 BTN08G473H3UF2T00 Bourns 1: £0.127 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 £0.127 £0.111 £0.103 £0.082 Reel £0.049 View £0.075 £0.063 £0.057 £0.046 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 12V, Uni-directional, 20A-80A SVS1271P3UU.N Semtech 1: £0.518 7,000In 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		7,000In Stock	Cut Tape £0.518 £0.323 £0.207 £0.154 Reel £0.089 View £0.125 £0.107 £0.106 £0.085 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 36V, Uni-directional, 20A-80A SVS3671P3UU.N Semtech 1: £0.518 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 £0.518 £0.323 £0.207 £0.154 Reel £0.089 View £0.125 £0.107 £0.106 £0.085 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Circuit Breakers 8340-F410-P1M1-ALH0-5A E-T-A 1: £63.83 9In Stock 20Expected 01/01/2027 New At Mouser	Mfr. Part No. 8340-F410-P1M1-ALH0-5A Mouser Part No 457-4F410P1M1ALH05A New At Mouser	E-T-A	Circuit Breakers		9In Stock 20Expected 01/01/2027	£63.83 £52.95 £49.79 £41.48 View £38.74 £38.73 Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L SC3000-01UTG Littelfuse 1: £1.39 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 £1.39 £0.871 £0.571 £0.441 Reel £0.355 View £0.374 £0.327 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 1% B25/50 3380K BTN06G103F3HF1T0A Bourns 1: £0.098 7,775In 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	7,775In Stock	Cut Tape £0.098 £0.088 £0.078 £0.064 Reel £0.048 View £0.057 £0.053 £0.045 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 1% B25/50 4250K BTN06G104F4EF1T0A Bourns 1: £0.12 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 £0.12 £0.106 £0.093 £0.074 Reel £0.057 View £0.065 £0.062 £0.054 £0.052 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 5% B25/50 4250K BTN06G104J4EH1T0A Bourns 1: £0.113 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 £0.113 £0.10 £0.088 £0.071 Reel £0.053 View £0.062 £0.059 £0.051 £0.049 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 10V, Uni-directional, 20A-80A SVS1071P3UU.N Semtech 1: £0.518 7,000In Stock New Product	Mfr. Part No. SVS1071P3UU.N Mouser Part No 947-SVS1071P3UU.N New Product	Semtech	ESD Protection Diodes / TVS Diodes 10V, Uni-directional, 20A-80A		7,000In Stock	Cut Tape £0.518 £0.323 £0.207 £0.154 Reel £0.089 View £0.125 £0.107 £0.106 £0.085 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes UCLAMP3311T 3.3V SLP-10K UCLAMP3311T.TNT Semtech 1: £0.684 4,529In Stock New Product	Mfr. Part No. UCLAMP3311T.TNT Mouser Part No 947-UCLAMP3311T.TNT New Product	Semtech	ESD Protection Diodes / TVS Diodes UCLAMP3311T 3.3V SLP-10K	Datasheet	4,529In Stock	Cut Tape £0.684 £0.424 £0.277 £0.209 View Reel £0.134 £0.19 £0.175 £0.169 £0.134 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 SC1003-01ETG Littelfuse 1: £0.593 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 £0.593 £0.373 £0.238 £0.178 Reel £0.104 View £0.144 £0.124 £0.122 £0.098 MouseReel Available	Min.: 1 Mult.: 1 : 10,000

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