Northern Connectors Radiall N Series Coaxial Connectors - Manual (Page 8)

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12-8
N 50
Ω
CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
Impedance 50Ω
Frequency range DC - 11 GHz
Typical V.S.W.R. Frequency
straight models cable group: .085"
.141"
.250"
5/S+5/D
10/S+11/D
right angle models: 5/S+D
10/S+11/D
1 GHz
1.03
1.03
1.03
1.05
1.04
1.04
1.04
2.5 GHz
1.03
1.05
1.03
1.06
1.05
1.05
1.1
5 GHz
1.05
1.05
1.05
1.1
1.09
1.18
1.20
11 GHz
1.08
1.08
1.07
1.16
1.2
Intermodulation product (IMP
3
)
• Standard connectors
• Intermodulation connectors
• Home made intermodulation cable assemblies - 90 dBm typ. (- 133 dBc typ. / 20W)
- 110 dBm typ. (- 153 dBc typ / 20W)
- 125 dBm typ. (- 165 dBc typ. / 20W)
Insertion loss straight connector
right-angle connector
MIL
< 0.15 dB max at 10 GHz ~ < 0.05 √F (GHz)
< 0.15 dB max at 10 GHz ~ < 0.1 √F (GHz)
RF Leakage MIL -90 dB min from 2 to 3 GHz (interface)
Insulation resistance MIL 5000 MΩ min
Contact resistance
center contact
outer contact MIL
Initial
1 mΩ
0.2 mΩ
After tests
1.5 mΩ
-
Working voltage in VRMS
at sea level
(at 70, 000 feet)
CECC
Cable 5/50: 850 (250)
Cable .085”/.141”:
350 (250)
Cable 10+11/50: 1400 (400)
Cable LMR 400/600: 1400 (400)
Cable .250”: 1400 (400)
Dielectric withstanding voltage in VRMS
at sea level
(at 70, 000 feet)
CECC
Cable 5/50: 1500 (350)
Cable .085”/.141”:
1000 (350)
Cable 10/50: 2500 (600)
Cable LMR 400/600: 2500 (600)
Cable .250”: 2500 (600)
RF testing voltage sea level CECC 1500 VRMS (5 MHz sine wave)
MECHANICAL CHARACTERISTICS
Durability CECC 500 matings
Engagement and separation torque CECC 6.6 Ncm max (.58 Inch-pounds)
Recommended coupling nut torque
40 to 60 Ncm (manual)
130 Ncm (11.45 inch pounds) (with pliers R 282 202 000)
170 Ncm (14.96 inch pounds) (with torque wrench R 282 303 020)
Proof torque CECC 170 Ncm (14.96 inch pounds)
Coupling nut retention force CECC 450 N (101.25 Lbs)
Cable retention force CECC
Cable 5/50/S 150 N (33.75 Lbs)
Cable 5/50/D 200 N (48 Lbs)
Cable 10/50 300 N (67.5 Lbs)
Cable 11/50 400 N (90 Lbs)
Cable .141” 270 N (60.75 Lbs)
Center contact retention force axial MIL
27 N (6.08 Lbs) cables <  8 mm
68 N (15.30 Lbs) cables >  8 mm
Test/characteristics Standard reference Values/remarks
Standard packaging = 50 pieces.