.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our selection of circuit protection devices below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 362.150

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 100kO 5% B25/50 4250K BTN06G104J4EH1T0A Bourns 1: Rp2.751,90 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 Rp2.751,90 Rp2.440,02 Rp2.146,48 Rp1.724,52 Reel Rp1.302,57 View Rp1.522,72 Rp1.449,33 Rp1.247,53 Rp1.192,49 MouseReel Available	Min.: 1 Mult.: 1 : 4.000
ESD Protection Diodes / TVS Diodes 10V, Uni-directional, 20A-80A SVS1071P3UU.N Semtech 1: Rp9.906,84 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 Rp9.906,84 Rp6.090,87 Rp3.871,01 Rp3.100,47 Reel Rp1.889,64 View Rp2.605,13 Rp2.201,52 Rp2.018,06 Rp1.761,22 MouseReel Available	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes UCLAMP3311T 3.3V SLP-10K UCLAMP3311T.TNT Semtech 1: Rp14.860,26 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 Rp14.860,26 Rp9.154,65 Rp5.907,41 Rp4.494,77 View Reel Rp3.045,44 Rp4.054,47 Rp3.485,74 Rp3.192,20 Rp3.045,44 MouseReel Available	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 SC1003-01ETG Littelfuse 1: Rp14.493,34 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 Rp14.493,34 Rp9.117,96 Rp5.815,68 Rp4.348,00 Reel Rp2.531,75 View Rp3.522,43 Rp3.027,09 Rp2.990,40 Rp2.384,98 MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Surface Mount Fuses SFT 1206 32V 3A Sn Tape&Reel SFT120632V3A00TT Vishay / Sfernice 1: Rp11.374,52 3.486In 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	3.486In Stock	Cut Tape Rp11.374,52 Rp9.026,23 Rp7.595,24 Rp6.677,94 View Reel Rp4.219,58 Rp5.999,14 Rp5.540,49 Rp5.100,19 Rp4.696,58 Rp4.219,58 MouseReel Available	Min.: 1 Mult.: 1 : 5.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 5% B25/50 4050K BTN06G473J4AH1T00 Bourns 1: Rp2.201,52 7.997In 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	7.997In Stock	Cut Tape Rp2.201,52 Rp2.036,41 Rp1.797,91 Rp1.467,68 Reel Rp1.100,76 View Rp1.284,22 Rp1.229,18 Rp1.045,72 Rp1.009,03 MouseReel Available	Min.: 1 Mult.: 1 : 4.000
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D182KKC Bourns 1: Rp62.559,86 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	Rp62.559,86 Rp39.627,36 Rp30.637,82 Rp28.619,76 View Rp25.134,02 Rp21.097,90 Rp20.547,52	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 10K B25/85 3970 BTN08G103J3VH2T00 Bourns 1: Rp2.935,36 2.800In Stock New Product	Mfr. Part No. BTN08G103J3VH2T00 Mouser Part No 652-TN08G103J3VH2T00 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 Rp2.935,36 Rp2.586,79 Rp2.384,98 Rp1.889,64 Reel Rp1.137,45 View Rp1.742,87 Rp1.467,68 Rp1.320,91 Rp1.064,07 MouseReel Available	Min.: 1 Mult.: 1 : 4.000
ESD Protection Diodes / TVS Diodes 18V, Uni-directional, 20A-80A SVS1871P3UU.N Semtech 1: Rp9.906,84 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 Rp9.906,84 Rp6.090,87 Rp3.871,01 Rp3.100,47 Reel Rp1.889,64 View Rp2.605,13 Rp2.201,52 Rp2.018,06 Rp1.761,22 MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A ESR3XLUB0250XI Littelfuse 1: Rp9.584.317,32 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	Rp9.584.317,32 Rp7.869.700,16 Rp7.161.544,56	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L SC712-02HTG Littelfuse 1: Rp25.684,40 2.236In Stock 100Expected 17/11/2026 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	2.236In Stock 100Expected 17/11/2026	Cut Tape Rp25.684,40 Rp16.144,48 Rp10.567,30 Rp8.163,97 Reel Rp6.586,21 View Rp6.934,79 Rp5.980,80 Rp5.778,99 MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Surface Mount Fuses SF2T 0603 32V 2.5A Sn Tape&Reel SF2T060332V2A50TT Vishay / Sfernice 1: Rp18.162,54 3.500In Stock New Product	Mfr. Part No. SF2T060332V2A50TT Mouser Part No 594-SF2T060332V2A50T New Product	Vishay / Sfernice	Surface Mount Fuses SF2T 0603 32V 2.5A Sn Tape&Reel Learn More about Vishay / Sfernice vishay sft sf2t time lag acting thin film fuses	Datasheet	3.500In Stock	Cut Tape Rp18.162,54 Rp14.566,72 Rp12.273,47 Rp10.640,68 View Reel Rp6.567,87 Rp9.558,27 Rp8.824,43 Rp8.127,28 Rp7.540,21 Rp6.567,87 MouseReel Available	Min.: 1 Mult.: 1 : 5.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 10kO 2% B25/50 3380K BTN06G103G3HF1T0A Bourns 1: Rp2.384,98 7.969In 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	7.969In Stock	Cut Tape Rp2.384,98 Rp2.164,83 Rp1.907,98 Rp1.559,41 Reel Rp1.174,14 View Rp1.375,95 Rp1.302,57 Rp1.119,11 Rp1.082,41 MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0603 47kO 3% B25/50 4050K BTN06G473H4AF1T00 Bourns 1: Rp2.384,98 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 Rp2.384,98 Rp2.164,83 Rp1.907,98 Rp1.559,41 Reel Rp1.174,14 View Rp1.375,95 Rp1.302,57 Rp1.119,11 Rp1.082,41 MouseReel Available	Min.: 1 Mult.: 1 : 4.000
NTC (Negative Temperature Coefficient) Thermistors NTC SMD 0805 100K B25/50 4250 BTN08G104H4EF1T00 Bourns 1: Rp3.118,82 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 Rp3.118,82 Rp2.715,21 Rp2.513,40 Rp1.999,71 Reel Rp1.192,49 View Rp1.834,60 Rp1.541,06 Rp1.394,30 Rp1.137,45 MouseReel Available	Min.: 1 Mult.: 1 : 4.000
ESD Protection Diodes / TVS Diodes 8A 25pF max SLP0603P2x3L UCLAMP2001ZA.F Semtech 1: Rp7.521,86 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 Rp7.521,86 Rp4.935,07 Rp2.917,01 Rp2.201,52 View Reel Rp1.247,53 Rp1.926,33 Rp1.632,79 Rp1.504,37 Rp1.394,30 Rp1.247,53 MouseReel Available	Min.: 1 Mult.: 1 : 15.000
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXZ+15NFNF-A PolyPhaser 1: Rp3.443.544,20 357In Stock 153Expected 30/10/2026 New Product	Mfr. Part No. DGXZ+15NFNF-A Mouser Part No 44-DGXZ+15NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	357In Stock 153Expected 30/10/2026	Rp3.443.544,20 Rp3.297.876,96	Min.: 1 Mult.: 1
Circuit Breakers LG 3 POLE 150KA FRAME ONLY LGU3630NN Eaton Electrical 1: Rp274.624.943,20 1In Stock New Product	Mfr. Part No. LGU3630NN Mouser Part No 504-LGU3630NN New Product	Eaton Electrical	Circuit Breakers LG 3 POLE 150KA FRAME ONLY	Datasheet	1In Stock	Rp274.624.943,20	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount, Use IS-B50LN-C2-ME IS-B50LN-C0-ME PolyPhaser 1: Rp2.052.733,94 307In Stock New Product	Mfr. Part No. IS-B50LN-C0-ME Mouser Part No 44-IS-B50LN-C0-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount, Use IS-B50LN-C2-ME Learn More about PolyPhaser is b50 surge protectors	Datasheet	307In Stock	Rp2.052.733,94 Rp1.947.060,98	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 120uJ, 20kA, Blocking Cap, Hole Mount IS-B50LN-C2 PolyPhaser 1: Rp2.021.178,82 480In Stock 58On Order New Product	Mfr. Part No. IS-B50LN-C2 Mouser Part No 44-IS-B50LN-C2 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 120uJ, 20kA, Blocking Cap, Hole Mount Learn More about PolyPhaser is b50 surge protectors	Datasheet	480In Stock 58On Order On Order Ship Dates Mfr. No: IS-B50LN-C2 Stock: 480 Can Dispatch Immediately On Order: 50 Expected 30/10/2026 8 Expected 04/11/2026 Factory Lead Time: 3 Weeks	Rp2.021.178,82 Rp1.916.973,54	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount VHF50HN PolyPhaser 1: Rp2.937.194,60 426In Stock New Product	Mfr. Part No. VHF50HN Mouser Part No 44-VHF50HN New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount Learn More about PolyPhaser 100mhz 512mhz surge protectors	Datasheet	426In Stock	Rp2.937.194,60 Rp2.785.840,10	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter TSX-NFF PolyPhaser 1: Rp3.126.708,78 113In Stock 98On Order New Product	Mfr. Part No. TSX-NFF Mouser Part No 44-TSX-NFF New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter Learn More about PolyPhaser tsx tusx rf surge protectors	Datasheet	113In Stock 98On Order On Order Ship Dates Mfr. No: TSX-NFF Stock: 113 Can Dispatch Immediately On Order: 68 Expected 03/11/2026 30 Expected 13/11/2026 Factory Lead Time: 2 Weeks	Rp3.126.708,78 Rp2.965.630,90	Min.: 1 Mult.: 1
Connectorised Surge Protectors Citel P8AX09-N/FF/HE P8AX09-N/FF/HE Citel 1: Rp2.837.208,90 3In Stock New At Mouser	Mfr. Part No. P8AX09-N/FF/HE Mouser Part No 703-P8AX09-N/FF/HE New At Mouser	Citel	Connectorised Surge Protectors	Datasheet	3In Stock	Rp2.837.208,90 Rp2.352.507,58 Rp2.220.049,46 Rp1.697.738,84	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm 20016752-02 TE Connectivity 1: Rp26.506.667,72 14In Stock New Product	Mfr. Part No. 20016752-02 Mouser Part No 571-20016752-02 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	14In Stock	Rp26.506.667,72 Rp24.233.231,40 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R Littelfuse SMBJ33A-E SMBJ33A-E Littelfuse 1: Rp10.457,22 2.076In Stock New Product	Mfr. Part No. SMBJ33A-E Mouser Part No 576-SMBJ33AE New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R	Datasheet	2.076In Stock	Cut Tape Rp10.457,22 Rp4.935,07 Rp4.164,54 Rp3.100,47 Reel Rp1.669,49 View Rp2.788,59 Rp1.632,79 Rp1.449,33 Rp1.394,30	Min.: 1 Mult.: 1 : 3.000

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support