Overview
Andrew-Commscope L4E78-PS 7/8" EIA Flange Positive Stop for 1/2" Cable (LDF4-50A)
Specifications
Product Classification
| Product Type | Wireless and radiating connector |
| Product Brand | HELIAX® |
| Product Series | LDF4-50A |
General Specifications
| Body Style | Straight |
| Cable Family | LDF4-50A |
| Inner Contact Attachment Method | Captivated |
| Inner Contact Plating | Silver |
| Interface | 7/8 in EIA Flange |
| Mounting Angle | Straight |
| Outer Contact Attachment Method | Ring-flare |
| Outer Contact Plating | Trimetal |
| Pressurizable | No |
Dimensions
| Length | 90.42 mm | 3.560 in |
| Diameter | 56.9 mm | 2.240 in |
| Nominal Size | 1/2 in |
Electrical Specifications
| Insertion Loss, typical | 0.05 dB |
| Average Power at Frequency | 2.3 kW @ 900 MHz |
| Cable Impedance | 50 ohm |
| dc Test Voltage | 6000 V |
| Inner Contact Resistance, maximum | 1.5 mOhm |
| Insulation Resistance, minimum | 5000 mOhm |
| Operating Frequency Band | 0 – 5200 MHz |
| Outer Contact Resistance, maximum | 1.5 mOhm |
| Peak Power, maximum | 90 kW |
| RF Operating Voltage, maximum (vrms) | 2120 V |
| Shielding Effectiveness | -110 dB |
Return Loss/VSWR
| Frequency Band | VSWR | Return Loss (dB) |
| 45–1000 MHz | 1.052 | 31.92 |
| 1010–2200 MHz | 1.106 | 25.96 |
| 2210–3000 MHz | 1.135 | 23.98 |
| 3010–4000 MHz | 1.152 | 23.02 |
| 4010–5000 MHz | 1.173 | 21.98 |
| 5010–7000 MHz | 1.222 | 20.01 |
| 7010–8000 MHz | 1.330 | 17.00 |
| 8010–8800 MHz | 1.790 | 11.00 |
Mechanical Specifications
| Attachment Durability | 25 cycles |
| Connector Retention Tensile Force | 889.64 N | 200.000 lbf |
| Connector Retention Torque | 8.14 N-m | 72.001 in lb |
| Coupling Nut Proof Torque | 24.86 N-m | 220.003 in lb |
| Mechanical Shock Test Method | MIL-STD-202, Method 213, Test Condition I |
Environmental Specifications
| Operating Temperature | -55 °C to +85 °C (-67 °F to +185 °F) |
| Storage Temperature | -55 °C to +85 °C (-67 °F to +185 °F) |
| Attenuation, Ambient Temperature | 20 °C | 68 °F |
| Average Power, Ambient Temperature | 40 °C | 104 °F |
| Corrosion Test Method | MIL-STD-1344A, Method 1001.1, Test Condition A |
| Immersion Depth | 1 m |
| Immersion Test Mating | Mated |
| Immersion Test Method | IEC 60529:2001, IP68 |
| Moisture Resistance Test Method | MIL-STD-202, Method 106 |
| Thermal Shock Test Method | MIL-STD-202F, Method 107G, Test Condition A-1, Low Temperature -55 °C |
| Vibration Test Method | MIL-STD-202, Method 204, Test Condition B |
| Water Jetting Test Mating | Mated |
| Water Jetting Test Method | IEC 60529:2001, IP66 |
Packaging and Weights
| Weight, net | 227.52 g | 0.502 lb |
