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IS-B50 Coaxial RF Surge Protectors

PolyPhaser IS-B50 Coaxial RF Surge Protectors are designed to protect against lightning events and are ideal for HF, UHF, and VHF radios. These protectors cover a broad 1.5MHz to 1000MHz frequency range and feature N-Type and UHF connectors, high-power handling up to 3kW, and 20kA industry-leading surge rating. The IS-B50 coaxial RF surge protectors are CE and RoHS compliant, offering flexible mounting options and versions for nuclear EMP protection. Typical applications include ham radio operators, land mobile communications, emergency response, SCADA, and public safety systems.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Connector Type	Mounting Style	Termination Style	Frequency Range	For Use With	Minimum Operating Temperature	Maximum Operating Temperature	Series
	Connectorized 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: $161.12 307In Stock New Product	Mfr. Part # IS-B50LN-C0-ME Mouser Part # 44-IS-B50LN-C0-ME New Product	PolyPhaser	Connectorized 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	$161.12 $152.83	Min.: 1 Mult.: 1			N	Bracket	Screw	10 MHz to 1 GHz	Industrial Monitoring	- 50 C	+ 50 C	10MHz to 1GHz N Type Bulkhead F/M Surge Protector RF Coax Series
	Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount IS-B50LN-C0 PolyPhaser 1: $141.29 85In Stock 37On Order New Product	Mfr. Part # IS-B50LN-C0 Mouser Part # 44-IS-B50LN-C0 New Product	PolyPhaser	Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount Learn More about PolyPhaser is b50 surge protectors	Datasheet	85In Stock 37On Order On Order Ship Dates Mfr. #: IS-B50LN-C0 Stock: 85 Can Ship Immediately On Order: 16 Expected 2026-12-16 21 Expected 2027-01-01 Factory Lead-Time: 8 Weeks	$141.29 $134.01	Min.: 1 Mult.: 1			N	Bracket	Screw	10 MHz to 1 GHz	Industrial Monitoring	- 50 C	+ 50 C	10MHz to 1GHz N Type Bulkhead F/F Surge Protector RF Coax Series
	Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount IS-B50LN-C2-ME PolyPhaser 1: $131.37 7In Stock New Product	Mfr. Part # IS-B50LN-C2-ME Mouser Part # 44-IS-B50LN-C2-ME New Product	PolyPhaser	Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount Learn More about PolyPhaser is b50 surge protectors	Datasheet	7In Stock	$131.37 $124.60	Min.: 1 Mult.: 1			N	Bracket	Screw	10 MHz to 1 GHz	Industrial Monitoring	- 50 C	+ 50 C	10MHz to 1GHz N Type Bulkhead F/M Surge Protector RF Coax Series
	Connectorized Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount IS-B50LN-C2-MA PolyPhaser 1: $163.60 1In Stock 12On Order New Product	Mfr. Part # IS-B50LN-C2-MA Mouser Part # 44-IS-B50LN-C2-MA New Product	PolyPhaser	Connectorized Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount Learn More about PolyPhaser is b50 surge protectors	Datasheet	1In Stock 12On Order On Order Ship Dates Mfr. #: IS-B50LN-C2-MA Stock: 1 Can Ship Immediately On Order: 4 Pending 4 Expected 2026-11-20 4 Expected 2026-11-23 Factory Lead-Time: 3 Weeks	$163.60 $155.17	Min.: 1 Mult.: 1			N	Bracket	Screw	10 MHz to 1 GHz	Industrial Monitoring			10MHz to 1GHz N Type Bulkhead M/F Surge Protector RF Coax Series
	Connectorized 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: $158.64 471In Stock 126On Order New Product	Mfr. Part # IS-B50LN-C2 Mouser Part # 44-IS-B50LN-C2 New Product	PolyPhaser	Connectorized 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	471In Stock 126On Order On Order Ship Dates Mfr. #: IS-B50LN-C2 Stock: 471 Can Ship Immediately On Order: 65 Expected 2026-11-20 61 Expected 2026-12-04 Factory Lead-Time: 4 Weeks	$158.64 $150.47	Min.: 1 Mult.: 1			N	Bracket	Screw	10 MHz to 1 GHz	Industrial Monitoring	- 50 C	+ 50 C	10MHz to 1GHz N Type Bulkhead F/F Surge Protector RF Coax Series
	Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Bracket Up, Hole Mount IS-B50LN-C0-MA PolyPhaser 1: $161.12 13On Order New Product	Mfr. Part # IS-B50LN-C0-MA Mouser Part # 44-IS-B50LN-C0-MA New Product	PolyPhaser	Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser is b50 surge protectors	Datasheet	13On Order On Order Ship Dates Mfr. #: IS-B50LN-C0-MA Stock: 0 On Order: 6 Expected 2026-11-18 7 Expected 2026-11-27 Factory Lead-Time: 4 Weeks	$161.12 $152.83	Min.: 1 Mult.: 1			N	Bracket	Screw	10 MHz to 1 GHz	Industrial Monitoring	- 50 C	+ 50 C	10MHz to 1GHz N Type M/F Surge Protector RF Coax Series