Coaxial Lightning Protectors

Don’t let your equipment be destroyed in flash! Protect your sensitive electronics against lightning strikes, pulses, surges and static buildup. We offer protectors...

Don’t let your equipment be destroyed in flash! Protect your sensitive electronics against lightning strikes, pulses, surges and static buildup. We offer protectors from trusted names in lightning protection and grounding, including DX Engineering, PolyPhaser, Diamond Antenna and Alpha Delta. Choose from DC blocked and DC pass designs for 50 ohm and 75 ohm coaxial cable. You’ve invested a lot in your hobby. Now invest in some peace of mind. The industry’s best coaxial lightning protectors are here.

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Results 1 - 25 of 44

PolyPhaser Coaxial Lightning Protectors IS-50UX-C0

Coaxial Lightning Protector, Flange Mount, 1.5-700MHz, HF 2kW, VHF 375W, DC Block, UHF Female, 50 ohms, Each

Part Number: PPR-IS-50UX-C0

4.98 out of 5 stars ( 44 )

Estimated Ship Date: Sep 24, 2026 if ordered today

- Documentation
- Charts & Guides

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Estimated Ship Date: Sep 24, 2026 if ordered today

DX Engineering 75 ohm Coaxial Lightning Surge Protectors DXE-RLP-75FF

Surge Protector, Coaxial, 75 ohm, DC Pass, for Receive Systems or Digital Networks, Type-F Female, Each

Part Number: DXE-RLP-75FF

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta UHF Connector Coaxial Cable Surge Protectors ATT3G50U

Surge Protector, Coaxial, DC pass, UHF Female, SO-239, Stud Mount, 200 W Power Rating, Each

Part Number: ALF-ATT3G50U

4.9 out of 5 stars ( 20 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta UHF Connector Coaxial Cable Surge Protectors ATT3G50UHP

Surge Protector, Coaxial, DC pass, UHF Female, SO-239, Stud Mount, 2,000 W Power Rating, Each

Part Number: ALF-ATT3G50UHP

4.86 out of 5 stars ( 87 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta N Connector Coaxial Cable Surge Protectors ATT3G50HP

Surge Protector, Coaxial, DC pass, N Female, Stud Mount, 2,000 W Power Rating, Each

Part Number: ALF-ATT3G50HP

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

PolyPhaser Coaxial Lightning Protectors IS-50NX-C0

Coaxial Lightning Protector, Flange Mount, 1.5-700MHz, HF 2kW, VHF 375W, DC Block, N Female, 50 ohms, Each

Part Number: PPR-IS-50NX-C0

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

- Documentation

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna SP-Series Lightning Arresters SP1000

Coaxial Lightning Arrester, SP-Series, DC Pass, DC-1,000 MHz, 400 W PEP Power Rating, UHF Female, SO-239, Each

Part Number: DMN-SP1000

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

- Documentation
- Multiple Images

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta UHF Connector Coaxial Cable Surge Protectors ATT3G50UBHP

Surge Protector, Coaxial, DC Pass, UHF Female, SO-239, 0.75in. Thru-Panel Bulkhead Mount, 2,000 W, Each

Part Number: ALF-ATT3G50UBHP

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta N Connector Coaxial Cable Surge Protectors ATT3G50

Surge Protector, Coaxial, DC pass, N-type, Female, Stud Mount, 200 W Power Rating, Each

Part Number: ALF-ATT3G50

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

PolyPhaser Coaxial Lightning Protectors IS-B50HU-C0

Coaxial Lightning Protector, Bulkhead Mount, 1.5-400MHz, HF 3kW, VHF 500W, DC Block, UHF Female, 50 ohms, Each

Part Number: PPR-IS-B50HU-C0

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

- Documentation
- Multiple Images

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

PolyPhaser Coaxial Lightning Protectors IS-B50LU-C0

Coaxial Lightning Protector, Bulkhead Mount, 1.5-700MHz, HF 2kW, VHF 375W, DC Block, UHF Female, 50 ohms, Each

Part Number: PPR-IS-B50LU-C0

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

- Documentation
- Multiple Images

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta F Connector Coaxial Cable Surge Protectors ATT3G50F

Surge Protector, Coaxial, DC Pass, Type F, Female, 75 ohm, 50 ohm compatible, 200 W, Each

Part Number: ALF-ATT3G50F

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

PolyPhaser Coaxial Lightning Protectors IS-B50HN-C2

Coaxial Lightning Protector, Bulkhead Mount, 125-1000 MHz, VHF 500 W, UHF 250 W, N Female, Each

Part Number: PPR-IS-B50HN-C2

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

- Charts & Guides
- Multiple Images

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta UHF Connector Coaxial Cable Surge Protectors ATT3G50UB

Surge Protector, Coaxial, DC Pass, UHF Female, SO-239, 0.75in. Thru-Panel Bulkhead Mount, 200 W, Each

Part Number: ALF-ATT3G50UB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna SP-Series Lightning Arresters SP1000PW

Coaxial Lightning Arrester, SP-Series, DC Pass, DC-1,000 MHz, 400 W, UHF Male, PL-259, UHF Female, SO-239, Ea.

Part Number: DMN-SP1000PW

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

- Documentation
- Multiple Images

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta UHF Connector Coaxial Cable Surge Protectors AT3G50UBXLHP

Surge Protector, Coaxial, DC Pass, UHF Female, SO-239, XL 1.50 in. Thru-Panel Bulkhead Mount, 2,000 W, Each

Part Number: ALF-AT3G50UBXLHP

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna SP-Series Lightning Arresters SP3000W

Coaxial Lightning Arrester, SP-Series, DC Pass, DC-3,000 MHz, 200 W, PEP RF Power Rating, Type N, Female, Each

Part Number: DMN-SP3000W

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

PolyPhaser Coaxial Lightning Protectors IS-B50LN-C0

Coaxial Lightning Protector, Bulkhead Mount, 10-700MHz, HF 2kW, VHF 375W, DC Block, N Female, 50 ohms, Each

Part Number: PPR-IS-B50LN-C0

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

- Documentation
- Multiple Images

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta N Connector Coaxial Cable Surge Protectors ATT3G50B

Surge Protector, Coaxial, DC Pass, Type N, Female, Thru-Panel Bulkhead Mount, 200 W, Each

Part Number: ALF-ATT3G50B

Not Yet Reviewed

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta N Connector Coaxial Cable Surge Protectors ATT3G50BHP

Surge Protector, Coaxial, DC Pass, Type N, Female, Thru-Panel Bulkhead Mount, 2,000 W, Each

Part Number: ALF-ATT3G50BHP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

NexTek PTR Series Coaxial RF Lightning and Surge Protectors PTRONFONF23S

Coaxial Lightning Protector, DC Pass, Bi-directional, DC-3.2 GHZ, 50 kA Surge, Type N (F-F), 240 W RF Power, 230V, Replaceable Gas Tube, 50 Ohm, Each

Part Number: NTK-PTRONFONF23S

Not Yet Reviewed

Estimated Ship Date: Monday 9/14/2026 if shipped by air

- Multiple Images

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Diamond Antenna SP-Series Lightning Arresters SP3000P

Coaxial Lightning Arrester, SP-Series, DC Pass, DC-3,000 MHz, 400 W, PEP RF Power, Type N Male, N Female, Each

Part Number: DMN-SP3000P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

PolyPhaser Coaxial Lightning Protectors GTH-NFF-AL

Coaxial Lightning Protector, DC-6GHz, 1000W, 60V Max, 20kA Surge, Gas Discharge Tube, 50-Ohm, Bulkhead or Bracket, Type-N F/F, Each

Part Number: PPR-GTH-NFF-AL

Not Yet Reviewed

Estimated Ship Date: Sep 28, 2026 if ordered today

- Documentation

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Estimated Ship Date: Sep 28, 2026 if ordered today

Alpha Delta N Connector Coaxial Cable Surge Protectors ATT3G50MHP

Surge Protector, Coaxial, DC Pass, Type N Male to Type N Female, Stud Mount, 2,000 W, Each

Part Number: ALF-ATT3G50MHP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

- Multiple Images
- View

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

Alpha Delta F Connector Coaxial Cable Surge Protectors ATT3G50FHP

Surge Protector, Coaxial, DC Pass, Type F, Female, 75 ohm, 50 ohm compatible, 2,000 W, Each

Part Number: ALF-ATT3G50FHP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/14/2026 if shipped by air

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Estimated Ship Date: Monday 9/14/2026 if shipped by air

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