RF coaxial N female connector for 1/2" foam dielectric feeder cable, N male clamp connector for 7/8 cable
The peak power rating of an N connector is determined by voltage breakdown/ionization of the air near the center pin. The average power rating is determined by overheating of the center contact due to resistive insertion loss, and thus is a function of frequency. Typical makers' curves for a new clean connector with a perfect load (VSWR=1.0) give limits of 5000 W at 20 MHz and 500 W at 2 GHz. This square root frequency derating law is expected from the skin depth decreasing with frequency. At lower frequencies the same maker recommends an upper bound of 1000 V RMS. To achieve reliable operation in practice over an extended period, a safety factor of 5 or more is not uncommon, particularly when generic parts may be substituted, or the operating environment is likely to lead to eventual tarnishing of the contacts.
Connector Parts:Materials:Plating Finish
Body: Brass: Nickel or Silver or Sn/Zn/Cu
Female Pin: Beryllium Bronze or Phosphor Bronze:Gold or Sliver
Clamp Gaskets:Silicone Rubber or Synthetic Rubber: N/A
Durability Mating:500 Cycles min.
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Electric Data |
Characteristic Impedance | 50ohm |
Frequency Range | 0-11GHz |
Working Voltage | 1000 VRMS(max at sea level) |
Dielectric Withstanding Voltage | 1500 VRMS(min at sea level) |
VSWR | Straight: 1.30 |
Contact Resistance | Inner: 1.5 milliohms(max)
Outer: 0.2 milliohms(max) |
Insulation Resistance | 5000 megohms(min) |
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Environmental Data |
Temperature Range | -65+165 |
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