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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.
Varistors 20mm Radial Disc-Kinked Leads,Bulk MOV-20D182KKC Bourns 1: 2,93 € 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	2,93 € 1,86 € 1,44 € 1,34 € View 1,18 € 0,989 € 0,963 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 18V, Uni-directional, 20A-80A SVS1871P3UU.N Semtech 1: 0,464 € 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 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
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, 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/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, 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 Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXZ+06NFNF-A PolyPhaser 1: 185,85 € 33In Stock 20Expected 30/10/2026 New Product	Mfr. Part No. DGXZ+06NFNF-A Mouser Part No 44-DGXZ+06NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N 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	33In Stock 20Expected 30/10/2026	185,85 € 177,99 €	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
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
Surge Protection Accessories Flange to Bulkhead Type N Adapter Kit BFN PolyPhaser 1: 25,22 € 131In Stock New Product	Mfr. Part No. BFN Mouser Part No 44-BFN New Product	PolyPhaser	Surge Protection Accessories Flange to Bulkhead Type N Adapter Kit Learn More about PolyPhaser surge protector accessories	Datasheet	131In Stock	25,22 € 21,41 € 20,44 € 18,28 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount CGXJ+36NFNF-A PolyPhaser 1: 184,49 € 23In Stock New Product	Mfr. Part No. CGXJ+36NFNF-A Mouser Part No 44-CGXJ+36NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	23In Stock	184,49 € 176,69 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube GT75-FFF PolyPhaser 1: 156,93 € 25In Stock 9Expected 09/11/2026 New Product	Mfr. Part No. GT75-FFF Mouser Part No 44-GT75-FFF New Product	PolyPhaser	Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	25In Stock 9Expected 09/11/2026	156,93 € 148,85 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C0 PolyPhaser 1: 69,57 € 53In Stock 19On Order New Product	Mfr. Part No. IS-50NX-C0 Mouser Part No 44-IS-50NX-C0 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	53In Stock 19On Order On Order Ship Dates Mfr. No: IS-50NX-C0 Stock: 53 Can Dispatch Immediately On Order: 10 Expected 30/10/2026 9 Expected 05/11/2026 Factory Lead Time: 3 Weeks	69,57 € 65,99 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C0-MA PolyPhaser 1: 91,79 € 38In Stock 110On Order New Product	Mfr. Part No. IS-50NX-C0-MA Mouser Part No 44-IS-50NX-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	38In Stock 110On Order On Order Ship Dates Mfr. No: IS-50NX-C0-MA Stock: 38 Can Dispatch Immediately On Order: 43 Expected 06/11/2026 67 Expected 01/01/2027 Factory Lead Time: 11 Weeks	91,79 € 87,06 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, Hole Mount TSX-NFM-P PolyPhaser 1: 125,84 € 63In Stock New Product	Mfr. Part No. TSX-NFM-P Mouser Part No 44-TSX-NFM-P New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, Hole Mount Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	63In Stock	125,84 € 119,36 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter TUSX-NFF PolyPhaser 1: 162,78 € 72In Stock New Product	Mfr. Part No. TUSX-NFF Mouser Part No 44-TUSX-NFF New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter Learn More about PolyPhaser tsx tusx rf surge protectors	Datasheet	72In Stock	162,78 € 155,90 €	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU PDG23G0150TFFJ Eaton Electrical 1: 1 011,29 € 3In Stock New Product	Mfr. Part No. PDG23G0150TFFJ Mouser Part No 504-PDG23G0150TFFJ New Product	Eaton Electrical	Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU	Datasheet	3In Stock	1 011,29 €	Min.: 1 Mult.: 1
Circuit Breakers 2P 15A BOLT ON 10KA 30MA TRIP LEVEL QBGFEP2015W1 Eaton Electrical 1: 1 417,85 € 1In Stock New Product	Mfr. Part No. QBGFEP2015W1 Mouser Part No 504-QBGFEP2015W1 New Product	Eaton Electrical	Circuit Breakers 2P 15A BOLT ON 10KA 30MA TRIP LEVEL	Datasheet	1In Stock	1 417,85 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 100W, 120uJ, 20kA, Blocking Cap, Hole Mount 098-1013G-A PolyPhaser 1: 97,70 € 22In Stock 59On Order New Product	Mfr. Part No. 098-1013G-A Mouser Part No 44-098-1013G-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 100W, 120uJ, 20kA, Blocking Cap, Hole Mount	Datasheet	22In Stock 59On Order On Order Ship Dates Mfr. No: 098-1013G-A Stock: 22 Can Dispatch Immediately On Order: 8 Pending 36 Expected 16/11/2026 15 Expected 04/12/2026 Factory Lead Time: 6 Weeks	97,70 € 92,67 €	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 Down, Hole Mount DGXZ+15TFTF-A PolyPhaser 1: 176,35 € 61In Stock 15Expected 06/11/2026 New Product	Mfr. Part No. DGXZ+15TFTF-A Mouser Part No 44-DGXZ+15TFTF-A 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 Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	61In Stock 15Expected 06/11/2026	176,35 € 168,89 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube GT-TFF-AL PolyPhaser 1: 65,94 € 29In Stock 141On Order New Product	Mfr. Part No. GT-TFF-AL Mouser Part No 44-GT-TFF-AL New Product	PolyPhaser	Connectorised Surge Protectors TNC F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	29In Stock 141On Order On Order Ship Dates Mfr. No: GT-TFF-AL Stock: 29 Can Dispatch Immediately On Order: 18 Pending 23 Expected 30/10/2026 13 Expected 23/11/2026 87 Expected 25/12/2026 Factory Lead Time: 10 Weeks	65,94 € 62,43 €	Min.: 1 Mult.: 1

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