 |
SMA Specifications
|
| ELECTRICAL |
 |
| Impedance |
50 ohm |
| Frequency range |
*Semi-rigid cable: 0-18 GHz
*Flexible cable: 0-12.4 GHz |
| Voltage rating |
375 Volts peak |
| Dielectric withstanding voltage |
1,000 Volts RMS |
VSWR
straight connectors |
*.141" semi-rigid cable group: 1.05 + .005f (GHz)
*RG-174 cable group: 1.20 + .025f (GHz) |
| Insulation resistance |
5000 Megohms |
| RF leakage |
-60 dB min. |
| Insertion loss |
.03* the square root of f (GHz) dB max. |
MATERIAL
| Center contacts |
Beryllium copper, gold plated |
| Crimp ferrule |
Copper tubing |
| Other metal parts |
Non-magnetic passivated stainless steel or
brass, gold or silver plated |
| Insulators |
TFE |
| Gaskets |
Silicone rubber |
MACHANICAL
| Mating |
.250-36 threaded coupling |
| Cable affixment |
Crimp or solder types |
| Center conductor |
Solder |
| Cable retention |
60 to 80 lbs. depending on cable |
Interface Mating Dimensions
Plug
| Letter |
Millimeters |
| Minimum |
Maximum |
| A |
2.54 |
3.43 |
| B |
1.24 |
1.30 |
| C |
4.53 |
4.59 |
| D |
6.35 |
6.73 |
| E |
0.00 |
0.25 |
| F |
0.00 |
0.25 |
| G |
2.92 |
- |
|
Jack
| Letter |
Millimeters |
| Minimum |
Maximum |
| A |
5.54 |
- |
| B |
4.32 |
- |
| C |
0.38 |
1.14 |
| D |
5.28 |
5.49 |
| E |
4.60 |
4.67 |
| F |
0.90 |
0.94 |
| G |
0.00 |
0.38 |
| H |
1.24 |
1.30 |
| J |
0.00 |
0.25 |
| K |
0.00 |
0.25 |
| L |
1.88 |
1.98 |
|
NOTE: 1. I.D. TO MEET VSWR AND
CONTACT RESISTANCE WHEN MATED WITH .9/.94MM DIA. PIN. |
|
