7/16 Product Series
The 7/16 series name drives from the metric dimensions of the connector interface: 7mm OD of inner contact, 16 mm ID of outer contact. 7/16 connectors are designed for use in communications systems with power levels of 100 watts per channel. Long popular in Europe, the 7/16 interface has gained acceptance in the U.S. for its ability to operate at elevated power levels.
Deutsh Industries Norm (DIN) is an acronym for German standards that apply to 7/16 connectors and are gaining acceptance worldwide. There are three families of 7/16 DIN connectors: corrugated cable (both Annular and Superflex), standard cable connectors, and custom.
RF coaxial connectors are the most important element in the cable system. Corrugated copper coaxial cables have the potential to deliver all the performance your system requires, but they are often limited by the performance of the connectors. Corrugated connectors have been designed from the ground up to deliver optimum performance, while retaining ease of installation. Inter-modulation distortion, a major concern in today's communications systems, is consistently low with these connectors. Typical performance is -125 dBm (-168 dBc). Amphenol Connex' in-house IMD measurement capability gives us the unique ability to understand the effects of connector design elements on IMD generation so that we can design the best performing connectors in the industry.
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Features & Benefits
- Low IMD and low VSWR provides improved system performance.
- Self-flaring design ensures ease of installation with standard hand tool.
- Pre-assembled gasket protects against dust (P68) and water (IP68) per IEC 169.
- Limited internal junctions reduce sources of IMD.
- Silver-plated contacts and silver or white bronze-plated bodies deliver a high conductivity and corrosion resistance for a long, trouble-free life.
- Easy-Hex coupling nut allows tightening by hand or with a standard wrench for ease of mating.
Applications
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7/16 Corrugated Cable Specifications
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Electrical |
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| Impedance | 50 Ω |
| Operating Frequency | 5.20 GHz maximum |
| Return Loss, 3 foot assembly | 30 dB @ 0.045 - 1.0 GHz 28 dB @ 1.000 - 2.0 GHz 21 dB @ 2.0 - 3.0 GHz |
| Dielectric Withstanding Voltage | 2,300 |
| RF Operating Voltage Maximum | 813 VRMS |
| Peak Power Maximum | 13.2 kW |
| Average Power Maximum | 3.0 kW |
| Insulation Resistance | 5,000 MΩ minimum |
| Insertion Loss Maximum | 0.05 v dB (Frequency in GHz) |
| Shielding Effectiveness | 125 dB minimum |
| 3rd Order IM product Typical, dBm (dBc) |
-120 (-163) (Two +43 dBm carriers, IM product @ 910 MHz) |
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Mechanical |
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| Inner Attachment Method | Captivated |
| Outer Attachment Method | Compression |
| Connector Durability Test | Pass (DIN 47275 part 2/10.82, section 2.10, 500 cycles) |
| Assembly Torque (Body to Clamp nut), lb-ft (n-m) | Positive stop, 18/22 (25/30) |
| Coupling Torque, lb-ft (n-m) | 15/20 (20/28) |
| Coupling Nut Retention Force | 100 (445) lbs (N) |
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Material |
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| Center Contact | Beryllium Copper per ASTM-B196, silver plated per QQ-S-365 |
| Body and Outer Contacts | Brass per ASTM B16, silver or white bronze |
| Insulator | PTFE resin, ASTM D1457 |
| Gasket | Silicone rubber, ZZ-R-765 |
| Other Metal Parts | Brass per ASTMB16, silver or white bronze |
| Protective Coating on Silver Plate | Clear Chromate |
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Environmental |
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| Temperature Range | - 40°C to +150°C |
| Storage Temperature Range | - 70° C to +100° C |
| Thermal Shock Test | Pass per IEC 68, part 2-14, test N/A |
| Immersion Test | Pass per IEC 529, IP68 |
| Corrosion Test | Pass per IEC 68, part 2-1, test Ka |
| Vibration Test | Pass per IEC 68, part 2-6 |
| Mechanical Shock Test | Pass per IEC 68, part 2-27 |
Note: These characteristics are typical but may not apply to all connectors.
7/16 Semi-Rigid & RG Cable Specifications
Electrical
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| Impedance | 50 Ω |
| Frequency Range | 7.0 GHz maximum |
| Voltage Rating | 2700 vrms |
| Dielectric Withstanding Voltage | 4000 vrms |
| VSWR | 1.3 maximum @ 0 - 7.0 GHz |
| Insulation Resistance | 5000 M ? minimum |
Mechanical
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| Mating | M29x1.5 threaded coupling |
| Captivated Contact | All configurations unless uncaptivated |
Material
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| Body & Outer Contact | Brass with silver or white bronze plating |
| Female Contacts | Beryllium copper with silver plating |
| Other Metal Parts | Brass with silver or white bronze plating |
| Insulators | PTFE |
| Weatherproof Gaskets | Silicone rubber |
Environmental
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| Temperature Range | - 40°C to +150°C |
| Thermal Shock | Pass per IEC 68, part 2-14, test Na |
| Corrosion | Pass per IEC 68, part 2-1, test Ka |
| Vibration | Pass per IEC 68, part 2-6 |
Note: These characteristics are typical but may not apply to all connectors.
