Cinch Connectivity Solutions offers SMA 50 Ohm Straight Jack Receptacles designed for high-frequency applications. These connectors are suitable for use in systems operating from DC up to 18 GHz, with some configurations supporting up to 26.5 GHz. They are available with gold-plated or nickel-plated bodies and feature robust construction for reliable performance. Customer drawings are available upon request.
Cinch Connectivity Solutions
USA
Bodies: Brass (Gold or Nickel plated)
Contacts: Brass (Male), Beryllium Copper (Female), Gold plated
Insulators: PTFE, Tefzel, or PFA
Seal Rings: Silicone rubber
EMI Gaskets: Conductive silicone rubber
Meets or exceeds applicable paragraphs of MIL-C-39012
| Specification | Value | Notes |
|---|---|---|
| Impedance | 50 Ohms | |
| Frequency Range | 0-18 GHz (Standard) | Up to 26.5 GHz for specific configurations (e.g., Straight semi-rigid cable connectors) |
| VSWR (f = GHz) | Varies by cable type and connector configuration | Formulas provided for different cable types (e.g., 1.20 + .025f for RG-178 straight cabled connectors) |
| Working Voltage (Vrms max) | Varies by altitude and cable type | e.g., 170V (Sea Level) for RG-178, 335V (Sea Level) for RG-58/RG-142 |
| Dielectric Withstanding Voltage (VRMS min) | Varies by connector type | e.g., 500V for RG-178 connectors, 1000V for RG-58/RG-142 connectors |
| Corona Level (Volts min) | Varies by altitude and connector type | e.g., 125V (70,000 ft) for RG-178 connectors, 250V (70,000 ft) for RG-58/RG-142 connectors |
| Insertion Loss (dB max) | Varies by connector type and frequency | e.g., 0.06 f (GHz) for straight flexible cable connectors (tested at 6 GHz) |
| Insulation Resistance | 5000 Megohms minimum | |
| Contact Resistance (milliohms max) | Varies by contact type and condition | Center contact: 3.0* (Initial, straight), 4.0 (After environmental). Outer contact: 2.0 (Initial) |
| RF Leakage (dB min) | Varies by connector type | e.g., -60 dB for flexible cable connectors, -90 dB for .086 semi-rigid connectors |
| RF High Potential Withstanding Voltage (Vrms min) | Varies by connector type | e.g., 335V for RG-178 connectors, 670V for RG-58/RG-142 connectors |
| Power Rating (Dummy Load) | 0.5 watt @ +25C | Derated to 0.25 watt @ +125C |
| Temperature Range | -65C to +165C | |
| Durability | 500 cycles minimum | 100 cycles minimum for .141 semi-rigid connectors w/o contact |
| Engagement/Disengagement Force | 2 inch-pounds maximum | |
| Mating Torque | 7 to 10 inch-pounds | |
| Bulkhead Mounting Nut Torque | 15 inch-pounds | |
| Coupling Proof Torque | 15 inch-pounds minimum | |
| Contact Retention | 6 lbs. minimum axial force | 4 inch-ounce minimum torque (uncabled receptacles) |
| Cable Retention (Axial Force) | Torque | Cable Type |
|---|---|---|
| 10 lbs | N/A | RG-178 |
| 20 lbs | N/A | RG-316, LMR-100 |
| 30 lbs | N/A | LMR-195, 200 |
| 40 lbs | N/A | RG-58, LMR-240 |
| 45 lbs | N/A | RG-142 |
| 30 lbs | 16 in-oz | .086 semi-rigid |
| 60 lbs | 55 in-oz | .141 semi-rigid |
