Northern Connectors Radiall N Series Coaxial Connectors - Manual (Page 10)

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12-10
N 18 GHz
CHARACTERISTICS
Test/characteristics Values/remarks
ELECTRICAL CHARACTERISTICS
Impedance 50Ω
Frequency range DC - 18 GHz
Typical V.S.W.R.
straight connector
right angle connector
With SHF cables
1.10 at 18 GHz
1.15 at 18 GHz
Insertion loss < 0.1 √F (GHz) dB
RF Leakage - 90 dB (2 to 3 GHz)
Insulation resistance 5000 MΩ min
Contact resistance
outer contact
inner contact
After environment test
2 mΩ max
N.A.
Initial
1.5 mΩ max
2 mΩ max
Peak power (at sea level) 5000 W
Average power (at sea level, 25°C)
2000 W at 0.1 GHz
600 W at 1 GHz
150 W at 10 GHz
.085" semi-rigid cable .141" semi-rigid cable
Dielectric withstanding voltage
at sea level
at 70 000 feet
1000 Vrms
250 Vrms
1500 Vrms
375 Vrms
Voltage rating
at sea level
at 70 000 feet
335 Vrms
85 Vrms
500 Vrms
125 Vrms
RF high potential withstanding voltage 670 Vrms 1000 Vrms
Corona level 250 Vrms 375 Vrms
MECHANICAL CHARACTERISTICS
Durability 500 matings
Cable retention force 136 N (31 Ibf) 272 N (61 Ibf)
Recommended coupling torque 160 Ncm (14 Ibf.in)
Contact captivation 27 Ncm (6 Ibf) min
ENvIRONMENTAL CHARACTERISTICS
Temperature range
Standard connectors
- 65°C + 165°C
Connectors for semi-rigid cable
- 40°C + 125°C
Vibration MIL-STD-1344 Method 2005 Condition 4
Shock MIL-STD-1344 Method 2004 Condition G
Thermal shock MIL-STD-1344 Method 1003 Condition A
Corrosion (salt mist) MIL-STD-1344 Method 1001 Condition B
High temperature test CECC 22000/4.7.2
Damp heat CECC 22000/4.6.6
Low pressure immersion EN2591 AECMA TestC14
Resistance to fluids contamination EN2591 AECMA TestC15
MATERIALS
Body Stainless steel
Center contact Beryllium copper and brass
Coupling nut Brass
Insulator PTFE or polyetherimid resin
Gasket Fluorosilicon or fluorocarbon
PLATING
Body Passivated
Center contact Gold
Coupling nut Nickel