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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.
ESD Protection Diodes / TVS Diodes 10V, Uni-directional, 20A-80A SVS1071P3UU.N Semtech 1: 0,464 € 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 0,464 € 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 UCLAMP3311T 3.3V SLP-10K UCLAMP3311T.TNT Semtech 1: 0,697 € 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 0,697 € 0,429 € 0,277 € 0,211 € View Reel 0,143 € 0,19 € 0,163 € 0,15 € 0,143 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
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: 96,23 € 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	96,23 € 91,27 €	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: 94,75 € 480In Stock 58Expected 30/10/2026 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 58Expected 30/10/2026	94,75 € 89,86 €	Min.: 1 Mult.: 1
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: 161,42 € 362In 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	362In Stock 153Expected 30/10/2026	161,42 € 154,59 €	Min.: 1 Mult.: 1
Circuit Breakers LG 3 POLE 150KA FRAME ONLY LGU3630NN Eaton Electrical 1: 12 873,51 € 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	12 873,51 €	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: 146,57 € 115In Stock 30Expected 30/10/2026 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	115In Stock 30Expected 30/10/2026	146,57 € 139,02 €	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: 137,69 € 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	137,69 € 130,59 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Citel P8AX09-N/FF/HE P8AX09-N/FF/HE Citel 1: 133,00 € 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	133,00 € 110,28 € 104,07 € 79,58 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm 20016752-02 TE Connectivity 1: 1 242,55 € 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	1 242,55 € 1 135,97 € 1 046,31 € 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: 0,482 € 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 0,482 € 0,305 € 0,194 € 0,144 € Reel 0,101 € View 0,117 € 0,10 € 0,085 € 0,08 €	Min.: 1 Mult.: 1 : 3 000
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 1.0GHz, DC Pass, 60V, 100W, 4kA, Gas Tube 108-1118B-A PolyPhaser 1: 81,42 € 44In Stock New Product	Mfr. Part No. 108-1118B-A Mouser Part No 44-108-1118B-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 1.0GHz, DC Pass, 60V, 100W, 4kA, Gas Tube	Datasheet	44In Stock	81,42 € 77,23 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXZ+06TFTF-A PolyPhaser 1: 155,45 € 20In Stock 71On Order New Product	Mfr. Part No. DGXZ+06TFTF-A Mouser Part No 44-DGXZ+06TFTF-A New Product	PolyPhaser	Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	20In Stock 71On Order On Order Ship Dates Mfr. No: DGXZ+06TFTF-A Stock: 20 Can Dispatch Immediately On Order: 23 Expected 05/11/2026 11 Expected 09/11/2026 37 Expected 13/11/2026 Factory Lead Time: 4 Weeks	155,45 € 147,45 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXZ-60NFNF-A PolyPhaser 1: 168,21 € 13In Stock 1Expected 23/10/2026 New Product	Mfr. Part No. DGXZ-60NFNF-A Mouser Part No 44-DGXZ-60NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	13In Stock 1Expected 23/10/2026	168,21 € 161,10 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20uJ, 50kA, Blocking Cap, Hole Mount IS-B50HN-C0 PolyPhaser 1: 108,07 € 33In Stock 5On Order New Product	Mfr. Part No. IS-B50HN-C0 Mouser Part No 44-IS-B50HN-C0 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20uJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	33In Stock 5On Order	108,07 € 102,50 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-B50HN-C0-MA PolyPhaser 1: 106,59 € 12In Stock New Product	Mfr. Part No. IS-B50HN-C0-MA Mouser Part No 44-IS-B50HN-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	12In Stock	106,59 € 101,10 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount IS-B50HN-C2 PolyPhaser 1: 105,11 € 68In Stock New Product	Mfr. Part No. IS-B50HN-C2 Mouser Part No 44-IS-B50HN-C2 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	68In Stock	105,11 € 99,69 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount IS-B50HN-C2-ME PolyPhaser 1: 113,99 € 66In Stock New Product	Mfr. Part No. IS-B50HN-C2-ME Mouser Part No 44-IS-B50HN-C2-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	66In Stock	113,99 € 108,12 €	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 Up, Hole Mount VHF50HN-B PolyPhaser 1: 140,64 € 67In Stock 69On Order New Product	Mfr. Part No. VHF50HN-B Mouser Part No 44-VHF50HN-B New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Up, Hole Mount Learn More about PolyPhaser 100mhz 512mhz surge protectors	Datasheet	67In Stock 69On Order On Order Ship Dates Mfr. No: VHF50HN-B Stock: 67 Can Dispatch Immediately On Order: 9 Expected 23/10/2026 43 Expected 30/10/2026 17 Expected 09/12/2026 Factory Lead Time: 7 Weeks	140,64 € 133,40 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% NTCLE213E3103FLB0A Vishay / BC Components 1: 1,51 € 2 997In Stock New Product	Mfr. Part No. NTCLE213E3103FLB0A Mouser Part No 594-NTCLE213E313FLB New Product	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1%	Datasheet	2 997In Stock	1,51 € 1,14 € 0,912 € 0,852 € View 0,832 € 0,698 € 0,575 €	Min.: 1 Mult.: 1
Circuit Breaker Accessories NQB L103 Eaton Electrical 69D2660G11 69D2660G11 Eaton Electrical 1: 7 757,11 € 2In Stock New Product	Mfr. Part No. 69D2660G11 Mouser Part No 504-69D2660G11 New Product	Eaton Electrical	Circuit Breaker Accessories NQB L103		2In Stock	7 757,11 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount CGXZ+15NFNF-A PolyPhaser 1: 146,57 € 19In Stock New Product	Mfr. Part No. CGXZ+15NFNF-A Mouser Part No 44-CGXZ+15NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	19In Stock	146,57 € 139,02 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount CGXZ+15NMNF-A PolyPhaser 1: 154,65 € 16In Stock New Product	Mfr. Part No. CGXZ+15NMNF-A Mouser Part No 44-CGXZ+15NMNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	16In Stock	154,65 € 148,10 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Up, Hole Mount DGXZ+15TFTF-BN PolyPhaser 1: 167,30 € 22In Stock New Product	Mfr. Part No. DGXZ+15TFTF-BN Mouser Part No 44-DGXZ+15TFTF-BN New Product	PolyPhaser	Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Up, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	22In Stock	167,30 € 158,68 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube GT-NFM-AL PolyPhaser 1: 62,11 € 63In Stock 42On Order New Product	Mfr. Part No. GT-NFM-AL Mouser Part No 44-GT-NFM-AL New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	63In Stock 42On Order On Order Ship Dates Mfr. No: GT-NFM-AL Stock: 63 Can Dispatch Immediately On Order: 14 Expected 23/10/2026 12 Expected 30/10/2026 16 Expected 06/11/2026 Factory Lead Time: 3 Weeks	62,11 € 58,80 €	Min.: 1 Mult.: 1

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