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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Industrial & Electrical Fuses 2A 1500VDC Solar 50kA Photovoltaic SPXV002.T Littelfuse 1: $41.89 5,430In Stock	Mfr. Part No. SPXV002.T Mouser Part No 576-SPXV002.T	Littelfuse	Industrial & Electrical Fuses 2A 1500VDC Solar 50kA Photovoltaic Learn More about Littelfuse spxv solar fuses	Datasheet	5,430In Stock	$41.89 $34.76 $27.31 $26.55 View $24.46 $21.93 $19.91 Quote	Min.: 1 Mult.: 1
Surface Mount Fuses 0603 0.25amp 0.65ohm SMD F0603E0R25FSTR KYOCERA AVX 1: $0.59 173,777In Stock	Mfr. Part No. F0603E0R25FSTR Mouser Part No 581-F0603E0R25FSTR	KYOCERA AVX	Surface Mount Fuses 0603 0.25amp 0.65ohm SMD Learn More about KYOCERA AVX avx accu guard ii fuses	Datasheet	173,777In Stock	Cut Tape $0.59 $0.455 $0.383 $0.348 Reel $0.245 View $0.312 $0.288 $0.266 $0.22 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
PTC (Positive Temperature Coefficient) Thermistors 1210 230Vdc 40mA PTC Overcurrent B59807A0090A062 TDK 1: $0.84 39,653In Stock	Mfr. Part No. B59807A0090A062 Mouser Part No 871-B59807A0090A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 1210 230Vdc 40mA PTC Overcurrent Learn More about TDK epcos kits	Datasheet	39,653In Stock	Cut Tape $0.84 $0.777 $0.703 $0.635 View Reel $0.432 $0.599 $0.553 $0.501 $0.464 $0.432 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect PE73SP1038 Pasternack 1: $129.50 6In Stock New Product	Mfr. Part No. PE73SP1038 Mouser Part No 28-PE73SP1038 New Product	Pasternack	Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect Learn More about Pasternack rf coaxial lightning surge protectors	Datasheet	6In Stock	$129.50 $114.65 $113.61 $111.52 View $108.19 Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 VCAN36C2-03GHE3A08 Vishay 1: $0.59 14,930In Stock New Product	Mfr. Part No. VCAN36C2-03GHE3A08 Mouser Part No 78-VCAN36C2-03HE3A08 New Product	Vishay	ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323	Datasheet	14,930In Stock	Cut Tape $0.59 $0.368 $0.235 $0.175 Reel $0.122 View $0.142 $0.12 $0.102 $0.087	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA28A Littelfuse 1: $17.04 2,323In Stock	Mfr. Part No. 30KPA28A Mouser Part No 576-30KPA28A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	2,323In Stock	Cut Tape $17.04 $13.77 $13.00 $12.85 $12.36 Reel $12.23	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes TVS 30KW 5%BI P600 39V TR13 30KPA39CA Littelfuse 1: $20.64 1,166In Stock	Mfr. Part No. 30KPA39CA Mouser Part No 576-30KPA39CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 30KW 5%BI P600 39V TR13 Learn More about Littelfuse tvsdiodes	Datasheet	1,166In Stock	Cut Tape $20.64 $16.58 $14.91 $14.90 $13.47 Reel $13.46	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA64A Littelfuse 1: $22.98 1,264In Stock	Mfr. Part No. 30KPA64A Mouser Part No 576-30KPA64A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	1,264In Stock	Cut Tape $22.98 $16.52 $14.98 $14.96 $12.25 Reel $12.23	Min.: 1 Mult.: 1 : 800
Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting KLKR002.T Littelfuse 1: $27.17 1,155In Stock	Mfr. Part No. KLKR002.T Mouser Part No 576-KLKR002.T	Littelfuse	Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting Learn More about Littelfuse protection products for panels	Datasheet	1,155In Stock	$27.17 $24.30 $24.29 $20.12 View $18.54 $16.63 $15.30	Min.: 1 Mult.: 1
Thermal Cut-offs Metal Hybrid PPTC MHP-TAM6-9-72 Littelfuse 1: $1.35 19,128In Stock	Mfr. Part No. MHP-TAM6-9-72 Mouser Part No 650-MHP-TAM6-9-72	Littelfuse	Thermal Cut-offs Metal Hybrid PPTC Learn More about Littelfuse mhp tam	Datasheet	19,128In Stock	$1.35 $1.19 $1.14 $1.07 View $1.02 $0.972 $0.923 $0.846 $0.77	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 3% NTCGP3JH103HCZCCA TDK 1: $6.67 8,872In Stock	Mfr. Part No. NTCGP3JH103HCZCCA Mouser Part No 810-NTCGP3JH103HCZCC	TDK	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 3% Learn More about TDK ntcgp temperature sensors	Datasheet	8,872In Stock	$6.67 $6.01 $5.76 $5.47 View $5.27 $5.09 $5.08 $4.72 $4.57	Min.: 1 Mult.: 1
Varistors 460VAC 10% 4032mm B72660M0461K093 TDK 1: $1.07 49,178In Stock	Mfr. Part No. B72660M0461K093 Mouser Part No 871-B72660M0461K093	TDK	Varistors 460VAC 10% 4032mm Learn More about TDK epcosvaristors	Datasheet	49,178In Stock	$1.07 $0.781 $0.646 $0.62 View $0.598 $0.571 $0.555 $0.55 Quote	Min.: 1 Mult.: 1
Fuse Clips 3AG Clip Brass & Nickel Plated 01010002Z Littelfuse 1: $0.50 233,639In Stock	Mfr. Part No. 01010002Z Mouser Part No 576-01010002Z	Littelfuse	Fuse Clips 3AG Clip Brass & Nickel Plated Learn More about Littelfuse 6x32 3ab3ag fuseholders	Datasheet	233,639In Stock	$0.50 $0.415 $0.382 $0.317 View $0.289 $0.268 $0.247 $0.227 $0.188	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA60A Littelfuse 1: $17.04 1,116In Stock	Mfr. Part No. 30KPA60A Mouser Part No 576-30KPA60A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	1,116In Stock	Cut Tape $17.04 $13.77 $13.00 $12.85 $12.24 Reel $12.23	Min.: 1 Mult.: 1 : 800
Surface Mount Fuses .0375A 4.8mOhm Red T hin Film Fuses 0603 F0603G0R03FNTR KYOCERA AVX 1: $1.16 87,195In Stock	Mfr. Part No. F0603G0R03FNTR Mouser Part No 581-F0603G0R03FNTR	KYOCERA AVX	Surface Mount Fuses .0375A 4.8mOhm Red T hin Film Fuses 0603	Datasheet	87,195In Stock	Cut Tape $1.16 $0.922 $0.777 $0.674 Reel $0.437 View $0.606 $0.559 $0.515 $0.414 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
PTC (Positive Temperature Coefficient) Thermistors PTCEL13EL 120ohms PTCEL13R121MBE Vishay / BC Components 1: $2.57 17,955In Stock	Mfr. Part No. PTCEL13R121MBE Mouser Part No 594-PTCEL13R121MBE	Vishay / BC Components	PTC (Positive Temperature Coefficient) Thermistors PTCEL13EL 120ohms Learn More about Vishay / BC Components vishay ptcel ptc thermistors	Datasheet	17,955In Stock	$2.57 $2.28 $1.85 $1.72 View $1.51 $1.38 $1.31 $1.21 $1.19	Min.: 1 Mult.: 1
Varistors 1206 30V 200A 500pF B72520T300K62 TDK 1: $0.30 103,119In Stock	Mfr. Part No. B72520T300K62 Mouser Part No 871-B72520T300K62	TDK	Varistors 1206 30V 200A 500pF Learn More about TDK epcosvaristors	Datasheet	103,119In Stock	Cut Tape $0.30 $0.211 $0.206 Reel $0.206 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors High Surge MLV Max Op VRMS 50 B72540T6500K062 TDK 1: $3.05 8,509In Stock	Mfr. Part No. B72540T6500K062 Mouser Part No 871-B72540T6500K062	TDK	Varistors High Surge MLV Max Op VRMS 50 Learn More about TDK ctvs varistors	Datasheet	8,509In Stock	Cut Tape $3.05 $2.46 $2.25 $2.08 Reel $1.92 View $1.99 $1.84 $1.80 $1.77 MouseReel Available	Min.: 1 Mult.: 1 : 600
ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode 20KPA300CA Littelfuse 1: $18.60 4,178In Stock	Mfr. Part No. 20KPA300CA Mouser Part No 576-20KPA300CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode Learn More about Littelfuse tvsdiodes	Datasheet	4,178In Stock	Cut Tape $18.60 $15.29 $14.54 $14.38 $13.83 Reel $13.41	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA48CA Littelfuse 1: $24.47 1,768In Stock	Mfr. Part No. 30KPA48CA Mouser Part No 576-30KPA48CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	1,768In Stock	Cut Tape $24.47 $17.89 $16.48 $16.45 $13.48 Reel $13.42	Min.: 1 Mult.: 1 : 800
NTC (Negative Temperature Coefficient) Thermistors 703/10 K/A 17 2% B57703M0103A017 TDK 1: $3.35 17,534In Stock	Mfr. Part No. B57703M0103A017 Mouser Part No 871-B57703M0103A017	TDK	NTC (Negative Temperature Coefficient) Thermistors 703/10 K/A 17 2% Learn More about TDK epcos ntc thermistors	Datasheet	17,534In Stock	$3.35 $3.21 $3.03 $2.91 View $2.70 $2.69 $2.54 $2.47 $2.29	Min.: 1 Mult.: 1
Circuit Breakers QC , 1P, 100A, 120/240V, 10kaic QC1100 Eaton Electrical 1: $415.05 1In Stock New Product	Mfr. Part No. QC1100 Mouser Part No 504-QC1100 New Product	Eaton Electrical	Circuit Breakers QC , 1P, 100A, 120/240V, 10kaic	Datasheet	1In Stock	$415.05 $320.43 $303.24 View Quote	Min.: 1 Mult.: 1
Power Outlet Strips Protect It! 2-Outlet Travel-Size Surge Protector - 5-15R Outlets TRAVELER3USBC Tripp Lite 1: $28.00 18In Stock New Product	Mfr. Part No. TRAVELER3USBC Mouser Part No 554-TRAVELER3USBC New Product	Tripp Lite	Power Outlet Strips Protect It! 2-Outlet Travel-Size Surge Protector - 5-15R Outlets	Datasheet	18In Stock	$28.00 $26.14 $25.37 $23.68 View $22.99 $22.32 $21.84 Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm 20016752-01 TE Connectivity 1: $951.36 1In Stock New Product	Mfr. Part No. 20016752-01 Mouser Part No 571-20016752-01 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	1In Stock	$951.36 $763.37 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V UNI SOD-123FL TR13 SZSMF6L12AT3G Littelfuse 1: $0.97 4,945In Stock New Product	Mfr. Part No. SZSMF6L12AT3G Mouser Part No 576-SZSMF6L12AT3G New Product	Littelfuse	ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V UNI SOD-123FL TR13 Learn More about Littelfuse szsmf6l tvs diodes	Datasheet	4,945In Stock	Cut Tape $0.97 $0.609 $0.389 $0.29 Reel $0.171 View $0.235 $0.203 $0.145 MouseReel Available	Min.: 1 Mult.: 1 : 5,000

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Circuit Protection

Types of Circuit Protection