The BNC (Bayonet Neill Concelman) product line is a miniature quick connect/disconnect RF connector. It features two bayonet lugs on the female connector; Cross RF BNC connectors are available with 50ohm and 75ohm impedance.
BNC connectors are a used in computer networks, test and instrumentation, telecommunications and broadcast industries with a variety of choices: Semi-Rigid/Flexible cable, Receptacles, and PCB versions.
| Requirement | MIL-C-39012 Paragraph | Specification |
| ELECTRICAL DATA | ||
| Impedance | 50Ω, 75Ω | |
| Frequency range | DC 4GHz, DC 1GHz | |
| Contact current | DC 3.5A max. | |
| Voltage rating | 500V rms | |
| Contact resistance | 3-16 | Center contacts : 2.0 mΩ |
| Outer contacts : 1.0mΩ | ||
| Insulation resistance | 3-11 | 5000MΩmin. |
| Insertion loss | 3-27 | 0.3dB max. at 3GHz |
| V.S.W.R | 3-14 | ≤ 1.15 |
| (Return loss better than 23.0dB) | ||
| MECHANICAL DATA | ||
| Coupling nut torque | 0.07Nm min~0.25Nm max | |
| Coupling nut retention force | 3-25 | 44.5 daN |
| Life | 3-15 | 500 matings. |
| Contact captivation | 3-14 | ≥ 27N |
| ENVIRONMENTAL DATA | ||
| Temperature range | -65℃~+125℃ | |
| Corrosion resistance | 3-13 | MIL-STD-202, Method 101,Condition B. |
| Moisture resistance | 3-21 | MIL-STD-202, Method 106. |
| Thermal shock | 3-20 | MIL-STD-202, Method 107,Condition B. |
| Shock | 3-19 | MIL-STD-202. Method 213,Condition G. |
| Vibration | 3-18 | MIL-STD-202. Method 204,Condition B. |
| MATERIALS | ||
| Bodies and Male contacts | Brass | |
| Female contacts | Beryllium copper | |
| Insulators | PTFE Teflon | |
| Gasket | Silicone Rubber | |
| PLATINGS | ||
| Bodies, Coupling nuts | Nickel plated | |
| Center contacts | Gold plated | |