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L4E78-PS

7/8 in EIA Flange Positive Stop™ for 1/2 in LDF4-50A cable
Specifications
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Specifications

Product Classification

Product Type Wireless and radiating connector
Product Brand HELIAX®

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

Outline Drawing

Click on image to enlarge.

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 1.06 32.00
1010–2200 MHz 1.11 26.00
2210–3000 MHz 1.14 24.00
3010–4000 MHz 1.16 23.00
4010–5000 MHz 1.18 22.00
5010–7000 MHz 1.23 20.00
7010–8000 MHz 1.33 17.00
8010–8800 MHz 1.79 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

Regulatory Compliance/Certifications

Agency Classification
ROHS Compliant
CHINA-ROHS Below maximum concentration value
REACH-SVHC Compliant as per SVHC revision on www.commscope.com/ProductCompliance

Product Classification

Product Type Wireless and radiating connector
Product Brand HELIAX®

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 1.06 32.00
1010–2200 MHz 1.11 26.00
2210–3000 MHz 1.14 24.00
3010–4000 MHz 1.16 23.00
4010–5000 MHz 1.18 22.00
5010–7000 MHz 1.23 20.00
7010–8000 MHz 1.33 17.00
8010–8800 MHz 1.79 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
Click on image to enlarge.

Regulatory Compliance/Certifications

Agency Classification
ROHS Compliant
CHINA-ROHS Below maximum concentration value
REACH-SVHC Compliant as per SVHC revision on www.commscope.com/ProductCompliance
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