Northern Connectors Radiall SMB Series Coaxial Connectors - Manual (Page 7)

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7-7
ElECTRICal CHaRaCTERISTICS
Impedance 50Ω
Frequency range DC - 4 GHz
V.S.W.R. (typ.)
Straight models
Right angle models
cable group:
Frequency
.085"
2
2.6
.085"
2
3-14 1 GHz
1.12
1.10
1.12
1.10
1.10
2.5 GHz
1.22
1.22
1.22
1.18
1.20
4 GHz
1.33
1.33
1.35
1.26
1.25
Insertion loss (typ.) dB
Straight models
Right angle models
cable group: .085"
2
2.6
.085"
3-27
0.05
0.05
0.05
0.05
0.07
0.10
0.05
0.07
0.15
0.25
0.05
0.12
RF leakage 3-26 -55 dB min from 2 to 3 GHz
Insulation resistance 3-11 1000 MΩ min
Contact resistance
• center contact (mΩ)
• outer contact (mΩ)
3-16 Initial
6
1
After test
8
1.5
Working voltage
• cable group
• at sea level
• at 70000 ft (21000 m)
2/50
250 V rms
60 V rms
2.6/50
335 V rms
85 V rms
Dielectric withstanding voltage
• cable group
• at sea level
• at 70000 ft (21000 m)
3-17
2/50
750 V rms
185 V rms
2.6/50
1000 V rms
250 V rms
RF withstanding voltage (5 MHz sine wave)
• cable group
• at sea level
3-23 2/50
500 V rms
2.6/50
700 V rms
MECHaNICal CHaRaCTERISTICS
Durability 3-15 500 matings
Mating / unmating 3-5-1 Axial force: 62 N max (14 Lbf)
Cabling retention force cable group:
• 2/50
• 2.6/50
3-24 58 N (13Lbf)
110 N (25Lbf)
Center contact retention Axial: 10 N (2.25 Lbf)
ENVIRONMENTal CHaRaCTERISTICS
Temperature range
standard models
hermetic sealed models
models for semi-rigid cables
-65°C / + 165°C
-65°C / +165°C
-65°C / +105°C
Combined climate tests MIL-STD-202, method 102, condition C
Thermal shock 3-20 MIL-STD-202, method 107, condition B
High temperature endurance MIL-STD-202, method 108
Corrosion (salt spray) 3-13 MIL-STD-202, method 101, condition B, 5%
Vibrations 3-18 MIL-STD-202, method 204, condition B, 15g
Shocks 3-19 MIL-STD-202, method 213, condition B, 75g
Low pressure 3-22 MIL-STD-202, method 105, condition C
Hermetic seal
Applied vacuum 10 -6 mm of Hg (Torrs)
Leakage rate < 10 -6 atm/cm 3 /s
MaTERIalS aND PlaTINg
Material Plating
Body and center pin contact Half hard brass as per QQ-B-626 Gold or nickel (Body)
Center socket contact Beryllium copper as per QQ-C-530 Gold (Center contact)
Ferrules Brass
Insulators PTFE teflon
Gaskets Silicone elastomer
All dimensions are given in mm
Test/characteristics MIL-C-39012 A Values/remarks
SMB
CHaRaCTERISTICS
Standard packaging: 100 pieces.