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Rugged Lightning Arrestors are dust- and water-proof.

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November 14, 2012 - SurgeGuard™ PTR7AF7AFxxK1 lightning arrestors protect RF transmission lines of up to 50,000 W. Units have voltage ratings from 1.4-3.5 kV and nominal impedance of 50 Ω, allowing them to pass up to 30 kW or more of RF power. Featuring transient rating to 100,000 A+, PTR7AF7AFxxT1 arrestors are offered in 90-1,000 V ratings and provide 250x multiple strike at 10 kA and 100 kA one-time surge capabilities. At 119 x 45 mm, both units have multiple gas discharge tube design with replaceable elements.

Nextek Launches Updated Very High RF Power and Very High Transient

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

NexTek, Inc.
439 Littleton Rd.
Westford, MA, 01886

Press release date: November 1, 2012

The K1 device is specially designed for High RF Power installations up to 30kW+
The T1 device provides Long Lifetime by offering protection up to 100,000+ Amps
Both devices are rugged, dustproof and waterproof

Westford, MA - NexTek announces the High RF Power K1-Series designed for protecting high power RF transmission lines of up to 50,000 Watts and the High Transient T1-Series has a transient rating to 100,000 Amps+. This new series of SurgeGuard™ lightning arrestors addresses the stringent demands of mission critical RF applications including the HF, VHF, and UHF frequency ranges from 0(dc) to 1000MHz.

The SurgeGuard K1-Series and T1-Series is based on a multiple gas discharge tube design with serviceable replacement elements. The PTR7AF7AFxxK1 and T1 arrestors measure 119mm x 45mm and have 7-16 female to 7-16 female connectors.

The K1-Series product voltage ratings can range from 1.4kV to 3.5kV, and have a nominal impedance of 50 Ohms. This allows the K1 to pass up to 30kW or more of RF Power.

The robust SurgeGuard T1-Series, available in multiple voltage ratings (90V to 1000V), provides a 250x multiple strike capability @ 10kA and a 100kA (8 x 20s) one time surge capability. For 7/16 DIN applications <1GHz, this device provides a long surge lifetime with its 5 replaceable GDTs.

Additional specifications for both models include excellent lightning transient protection performance using a multiple GDT design, low VSWR of 1.20 typical, and Insertion Loss of only 0.1dB typical. All SurgeGuard products use only top-rated materials and superb construction, with both units also waterproof and dustproof (tested and qualified to IP68 Standard).

The K1-series and T1-series of lightning arrestors are currently available directly from Nextek. For more information or a datasheet with complete product specifications, visit and select this month's featured product.

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