Cannon's precision SMA connectors offer a MIL-C-39012 Series SMA interface and envelope configuration, ensuring intermateability with all connectors meeting MIL specification dimensions. Designed for subminiature coaxial cables, these connectors provide superior performance from DC to 18 GHz with semi-rigid cables and DC to 12.4 GHz with flexible cables. Available with beryllium copper or stainless steel bodies, and various plating options, they are ideal for demanding applications.
| Specification | Value | Notes |
| Impedance | 50 Ohm Nominal | |
| Frequency Range | DC to 18 GHz | With semi-rigid cable; DC to 12.4 GHz with flexible cable |
| Voltage Rating (RG178/U) | 170 Vrms (Sea Level) / 45 Vrms (21km) | |
| Voltage Rating (RG316/U) | 250 Vrms (Sea Level) / 65 Vrms (21km) | |
| Voltage Rating (RG142/U) | 335 Vrms (Sea Level) / 85 Vrms (21km) | |
| Insulation Resistance | 5000 M Minimum | |
| Contact Resistance (Center) | 3.0 m Maximum Initial / 4.0 m Maximum After Environment | |
| Contact Resistance (Outer) | 2.0 m Maximum Initial / 2.0 m Maximum After Environment | |
| Contact Resistance (Braid to Body) | 0.5 m Maximum | |
| Contact Current Rating | 2.0 A dc Maximum | |
| Insertion Loss | 0.06 x freq. GHz (tested at 6 GHz) | To 18 GHz or 80% of upper cut-off frequency of the cable, whichever is lower. Applicable to 50 cables only. (F = GHz) |
| RF Leakage | -60 dB Minimum @ 2 - 3 GHz | |
| VSWR | To 18 GHz | |
| Dielectric Withstanding Voltage (DWV) (RG316/U) | 750 Vrms (Sea Level) / 190 V (21km) | |
| Corona Level | ||
| Engagement Design | For captivated contacts: 26.7 N (6 lbs.) minimum axial force. Retention equal to cable breaking strength when properly assembled. | |
| Engagement Forces | ||
| Contact Torque | 0.03 Nm (4 in. ozs.) Minimum (captivated) | |
| Mating Torque | 0.8 Nm to 1.1 Nm (7 to 10 in. lbs.) | |
| Locknut Torque | 1.4 Nm to 1.7 Nm (12 to 15 in. lbs.) Minimum | |
| Coupling Nut Retention | 267 N (60 lbs.) Minimum | |
| Temperature Rating | -65 C to 165 C | |
| Corrosion (Salt Spray) | MIL-STD-202, Method 101, Test Condition B | 5% salt solution |
| Vibration (High Frequency) | MIL-STD-202, Method 204, Test Condition D (20 G's) | |
| Shock | MIL-STD-202, Method 213, Test Condition I (100 G's) | |
| Thermal Shock | MIL-STD-202, Method 107, Test Condition B | |
| Moisture Resistance | MIL-STD-202, Method 106 | Insulation resistance shall be 200 M minimum within 5 minutes after removal from humidity. |
| Connector Durability | 500 Matings Minimum | |
| Contact Captivation | Standard on most connectors | Withstand 26.7 N (6 lbs.) minimum axial force. |
| Cable Retention | When properly assembled to compatible single braided coaxial cable, retention is equal to the breaking strength of the cable. |
| Connector Type | Part Number | Cable Numbers | Assembly Instructions |
| Straight Plug, Non-Captive Contact | 050 - 622 - 9188890 | RG174/U, 316/U, RD316 | AI-703 (Page 51) |
| 050 - 622 - 9875890 | RG174/U, 316/U, RD316 | AI-90 (Page 41) | |
| Straight Plug, Captive Contact | A50 - 624- 9188890 | RG174/U, 316/U, RD316 | Mounting Plan W (Page 40) |
| A50 - 624 - 9875890 | RG174/U, 316/U, RD316 | AI-227 (Page 46) | |
| Right Angle Plug, Captive Contact | 050 - 628- 9188890 | RG174/U, 316/U, RD316 | AI-102 (Page 43) |
| 050 - 628 - 9875890 | RG174/U, 316/U, RD316 | AI-98 (Page 42) | |
| Bulkhead Jack, Captive Contact | 050 - 627- 9188890 | RG174/U, 316/U, RD316 | AI-302 (Page 48) |
| 050 - 627- 9875890 | RG174/U, 316/U, RD316 | AI-252 (Page 47) | |
| Straight Plug without Center Contact (Direct Solder) | 055 - 607- 2003890 | RG402/U | |
| Straight Plug with Center Contact (Direct Solder) | 055 - 607- 9172890 | RG405/U | |
| 055 - 607 - 9173890 | RG402/U | ||
| Right Angle Plug (Direct Solder) | 055 - 611- 3702890 | RG405/U | |
| 055 - 611- 3703890 | RG402/U | ||
| Straight Jack, Stub Contact, Extended Dielectric, Square Flange | 050 - 645 - 9009890 | ||
| Straight Jack, Solder Pot Contact, Flush Dielectric, Square Flange | 050 - 645 - 9019890 | ||
| Straight Jack, Tab Contact, Flush Dielectric, Square Flange | 050 - 645 - 4575890 | ||
| Narrow Flange (Various Contacts) | 050 - 645 - 4540890, 050 - 645 - 4528890 | ||
| Straight Jack, Printed Circuit | 050 - 651 - 0000310 | Mounting Plan D (Page 40) | |
| Right Angle Jack, Printed Circuit | 050 - 653 - 0000310 | Mounting Plan D (Page 40) | |
| Plug to Plug Adaptor, Straight | 050 - 673 - 0000890 | Mounting Plan W (Page 40) | |
| Plug to Jack Adaptor, Straight | 050 - 674 - 0000890 | ||
| Jack to Jack Adaptor, Bulk Head Mount, Straight | 050 - 675 - 0000890 | ||
| Plug to Jack Adaptor, Right Angle | 050 - 678 - 0000890 |
Note: For gold plated versions, change the last three digits of the part number from 890 to 310. For passivated stainless steel, the default is 890.
