Northern Connectors Radiall SMA Series Coaxial Connectors - Manual (Page 35)

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8-35
SMA-
COM
CHaRaCTERISTICS
gENERal
Impedance 50Ω
Frequency range
Semi-rigid cables Standard models
DC - 18 GHz DC - 12.4 GHz
Temperature range - 65°C + 105°C - 65°C + 165°C
ElECTRICal CHaRaCTERISTICS
Insulation resistance 3-11 5 000 MΩ mini.
Contact resistance
• Outer conductor
• Inner conductor
3-16 Initial
3 mΩ
2 mΩ
After test
4 mΩ
3 mΩ
V.S.W.R. max up to:
18 ghz for semi-rigid cable
12.4 ghz for right angle connector (Sr)
12.4 ghz for flexible cable
3-14 .085" .141" 2.6/50/S 5/50/D
• Straight Connector
• Right angle connector
1.07 + .01F
1.10 + .01F
1.05 + .01F
1.10 + .01F
1.15 + .02F
1.15 + .03F
1.15 + .01F
1.15 + .02F
Dielectric withstanding voltage in VRMS 3-17 750 1000 750 1000
Working voltage in VRMS (sea level) 335 500 250 335
Working voltage in VRMS (70 000 ft) 85 125 65 85
RF testing voltage at 5 MHz in VRMS 3-23 500 670 500 670
MECHaNICal CHaRaCTERISTICS
Cable retention force 3-24
.085" .141" 2.6/50/S 5/50/d
130 N 270 N 90 N 204 N
Life 3-15 100 matings
Force to engage and disengage 3-5-1 23 Ncm - 2 inch pounds
Coupling nut torque recommended 60 Ncm - 5.2 inch pounds
Coupling nut retention force 3-25 272 N min
ENVIRONMENTal CHaRaCTERISTICS
Vibration 3-18 MIL STD 202, method 204, condition D,20g
Shock 3-19 MIL STD 202, method 213, condition I,100g
Thermal shock 3-20 MIL STD 202, method 107, condition B,
Corrosion (salt spray) 3-13 MIL STD 202, method 101, condition B,
Moisture resistance 3-21 MIL STD 202, method 106
Barometric pressure 3-22 MIL STD 202, method 105, condition C
Hermetic test Down to 10 -6 mmHg (Torr) leakage rate < 10 -8 atm/cm 3 /sec
Life (at high temperature) MIL STD 202, method 108
MaTERIalS aND PlaTINg
Material Plating
Bodies Brass BBR* or Gold plated
Center contacts
Beryllium copper (female)
Brass (male)
Gold plated
Insulators PTFE teflon
Gaskets Silicone rubber
All dimensions are given in mm
Test/characteristics
MIL-C-39012
paragraph
Values/remarks
Standard packaging: 100 pieces.
*BBR: Bright Bronze Radiall