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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.
Connectorised Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount IS-B50HU-C0 PolyPhaser 1: 119,92 € 14In Stock New Product	Mfr. Part No. IS-B50HU-C0 Mouser Part No 44-IS-B50HU-C0 New Product	PolyPhaser	Connectorised Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	14In Stock	119,92 € 113,74 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount VHF50HN-MA PolyPhaser 1: 142,12 € 29In Stock New Product	Mfr. Part No. VHF50HN-MA Mouser Part No 44-VHF50HN-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/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	29In Stock	142,12 € 134,81 €	Min.: 1 Mult.: 1
Circuit Breakers PDG2,2P,125A,50KA/480V,FXFXTMTU PDG22K0125TFFJ Eaton Electrical 1: 852,58 € 4In Stock New Product	Mfr. Part No. PDG22K0125TFFJ Mouser Part No 504-PDG22K0125TFFJ New Product	Eaton Electrical	Circuit Breakers PDG2,2P,125A,50KA/480V,FXFXTMTU	Datasheet	4In Stock	852,58 €	Min.: 1 Mult.: 1
Circuit Breakers PDG3 PXR25 LSI THREE POLE 600A PDG3XPXR30600P2M Eaton Electrical 1: 2.787,90 € 1In Stock New Product	Mfr. Part No. PDG3XPXR30600P2M Mouser Part No 504-PDG3XPXR30600P2M New Product	Eaton Electrical	Circuit Breakers PDG3 PXR25 LSI THREE POLE 600A	Datasheet	1In Stock	2.787,90 €	Min.: 1 Mult.: 1
Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V QBHW2015HT Eaton Electrical 1: 852,21 € 3In Stock New Product	Mfr. Part No. QBHW2015HT Mouser Part No 504-QBHW2015HT New Product	Eaton Electrical	Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V	Datasheet	3In Stock	852,21 € 680,91 € 650,04 € View Quote	Min.: 1 Mult.: 1
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 € 50In Stock 37Expected 11/13/2026 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	50In Stock 37Expected 11/13/2026	155,45 € 147,45 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube GTH-NFF-AL PolyPhaser 1: 69,57 € 54In Stock 217On Order New Product	Mfr. Part No. GTH-NFF-AL Mouser Part No 44-GTH-NFF-AL New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	54In Stock 217On Order On Order Ship Dates Mfr. No: GTH-NFF-AL Stock: 54 Can Dispatch Immediately On Order: 138 Expected 11/6/2026 36 Expected 11/12/2026 43 Expected 11/13/2026 Factory Lead Time: 6 Weeks	69,57 € 65,99 €	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 € 31In Stock 36On 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	31In Stock 36On Order On Order Ship Dates Mfr. No: IS-B50HN-C0 Stock: 31 Can Dispatch Immediately On Order: 5 Pending 31 Expected 11/16/2026 Factory Lead Time: 2 Weeks	108,07 € 102,50 €	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 € 45In Stock 41On Order 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	45In Stock 41On Order On Order Ship Dates Mfr. No: IS-B50HN-C2 Stock: 45 Can Dispatch Immediately On Order: 19 Expected 11/6/2026 22 Expected 11/20/2026 Factory Lead Time: 3 Weeks	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
NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% NTCLE213E3103FLB0A Vishay / BC Components 1: 1,51 € 2.854In 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	2.854In Stock	1,51 € 1,14 € 0,912 € 0,852 € View 0,832 € 0,698 € 0,575 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount BGXZ-60NFNF-ALT PolyPhaser 1: 154,65 € 40In Stock 62On Order New Product	Mfr. Part No. BGXZ-60NFNF-ALT Mouser Part No 44-BGXZ-60NFNF-ALT New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 40mhz 400mhz surge protectors	Datasheet	40In Stock 62On Order On Order Ship Dates Mfr. No: BGXZ-60NFNF-ALT Stock: 40 Can Dispatch Immediately On Order: 30 Expected 11/18/2026 32 Expected 11/27/2026 Factory Lead Time: 3 Weeks	154,65 € 148,10 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode GPS+06NFM PolyPhaser 1: 113,99 € 27In Stock New Product	Mfr. Part No. GPS+06NFM Mouser Part No 44-GPS+06NFM New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	27In Stock	113,99 € 108,12 €	Min.: 1 Mult.: 1
Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors GSA-KIT-N PolyPhaser 1: 52,91 € 65In Stock 12Expected 11/23/2026 New Product	Mfr. Part No. GSA-KIT-N Mouser Part No 44-GSA-KIT-N New Product	PolyPhaser	Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors Learn More about PolyPhaser surge protector accessories	Datasheet	65In Stock 12Expected 11/23/2026	52,91 € 50,09 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube GTH-SFF-AL PolyPhaser 1: 63,64 € 54In Stock 95On Order New Product	Mfr. Part No. GTH-SFF-AL Mouser Part No 44-GTH-SFF-AL New Product	PolyPhaser	Connectorised Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube	Datasheet	54In Stock 95On Order On Order Ship Dates Mfr. No: GTH-SFF-AL Stock: 54 Can Dispatch Immediately On Order: 67 Expected 11/27/2026 28 Expected 12/25/2026 Factory Lead Time: 8 Weeks	63,64 € 60,25 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors RF Surge Protector SPD, SMA F/M, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube GTH-SFM-AL PolyPhaser 1: 69,01 € 73In Stock 19Expected 11/19/2026 New Product	Mfr. Part No. GTH-SFM-AL Mouser Part No 44-GTH-SFM-AL New Product	PolyPhaser	Connectorised Surge Protectors RF Surge Protector SPD, SMA F/M, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube	Datasheet	73In Stock 19Expected 11/19/2026	69,01 € 65,33 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C2-MA PolyPhaser 1: 73,27 € 22In Stock New Product	Mfr. Part No. IS-50NX-C2-MA Mouser Part No 44-IS-50NX-C2-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	22In Stock	73,27 € 69,50 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube RGT-DFF PolyPhaser 1: 108,07 € 13In Stock New Product	Mfr. Part No. RGT-DFF Mouser Part No 44-RGT-DFF New Product	PolyPhaser	Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	13In Stock	108,07 € 102,50 €	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI PDG23G0150P2ML Eaton Electrical 1: 1.871,83 € 1In Stock New Product	Mfr. Part No. PDG23G0150P2ML Mouser Part No 504-PDG23G0150P2ML New Product	Eaton Electrical	Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI	Datasheet	1In Stock	1.871,83 €	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 € 68In Stock 102On 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	68In Stock 102On Order On Order Ship Dates Mfr. No: GT-TFF-AL Stock: 68 Can Dispatch Immediately On Order: 2 Pending 13 Expected 11/23/2026 87 Expected 12/25/2026 Factory Lead Time: 10 Weeks	65,94 € 62,43 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Hole Mount IS-B50LU-C0 PolyPhaser 1: 97,71 € 20In Stock New Product	Mfr. Part No. IS-B50LU-C0 Mouser Part No 44-IS-B50LU-C0 New Product	PolyPhaser	Connectorised Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	20In Stock	97,71 € 92,68 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter WSXM PolyPhaser 1: 221,12 € 17In Stock 1Expected 11/20/2026 New Product	Mfr. Part No. WSXM Mouser Part No 44-WSXM New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter Learn More about PolyPhaser 6ghz 10ghz surge protector	Datasheet	17In Stock 1Expected 11/20/2026	221,12 € 211,77 €	Min.: 1 Mult.: 1
Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI PDG33G0250B2NJ Eaton Electrical 1: 2.249,02 € 1In Stock New Product	Mfr. Part No. PDG33G0250B2NJ Mouser Part No 504-PDG33G0250B2NJ New Product	Eaton Electrical	Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI	Datasheet	1In Stock	2.249,02 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS SMC5K54CAHM3/I Vishay 1: 2,51 € 2.230In Stock New Product	Mfr. Part No. SMC5K54CAHM3/I Mouser Part No 78-SMC5K54CAHM3/I New Product	Vishay	ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS Learn More about Vishay semi smc5kxxca transzorb tvs	Datasheet	2.230In Stock	Cut Tape 2,51 € 1,63 € 1,32 € 1,11 € Reel 0,74 € View 0,877 € 0,82 € 0,734 €	Min.: 1 Mult.: 1 : 3.500

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Circuit Protection

Types of Circuit Protection