Description
The DIN 1.6/5.6 series, commonly referred to as the L9 connector, is a high-performance RF interface specifically designed for the rigorous demands of digital telephony. This female (jack) variant utilizes a professional dual-crimp termination method, providing a permanent, gas-tight mechanical bond that is faster and more consistent than soldering or clamp styles. The crimp design ensures a robust connection between the cable braid and the connector body, providing exceptional grounding and superior pull-off resistance in high-traffic environments.
Specifically optimized for RG59 coaxial cable, this connector maintains a strict 75-Ohm impedance to ensure signal transparency for high-speed digital circuits, such as E1, E3, and DS3. The precision-machined internal components are calibrated to accommodate the specific dimensions of RG59, providing a seamless electrical transition that minimizes return loss and prevents data jitter. Manufactured with a gold-plated brass body and premium PTFE (Teflon) insulation, it delivers superior electrical stability and high shielding effectiveness, protecting sensitive digital data streams from interference in high-density exchange environments.
Key Technical Advantages
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Rapid Dual-Crimp Assembly: The industrial crimp design for both the center contact and outer sleeve provides a high-strength, repeatable termination ideal for large-scale telephony deployments.
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RG59 Precision Matching: Specifically engineered for the geometry of RG59 cable, ensuring an optimized mechanical transition and consistent signal path for standard 75-Ohm infrastructure.
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75-Ohm System Integrity: Strictly calibrated to eliminate impedance mismatches, preventing bit errors and signal reflections in high-capacity digital circuits.
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Telecommunications Grade Reliability: Designed to meet L9 standards for digital distribution, ensuring universal compatibility with standard DIN 1.6/5.6 plug assemblies.
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Superior Corrosion Protection: Premium gold-over-nickel plating on all critical contact surfaces ensures low contact resistance and long-term durability in mission-critical infrastructure.
Key Features
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Interface Type: DIN 1.6/5.6 (L9) Female (Jack) with 75-Ohm impedance.
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Termination Method: Dual-crimp (center pin and outer ferrule) for high-reliability mechanical bonding.
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Cable Compatibility: Optimized for RG59 75-Ohm coaxial cable.
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Premium Construction: Features a gold-plated brass body and a high-performance PTFE dielectric for electrical stability.
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Industrial Application: Ideal for Digital Distribution Frames (DDF), telephony exchanges, and rack-mounted digital routing hardware.
Technical Summary
| Parameter | Specification |
| Impedance | 75 Ohm |
| Frequency Range | DC – 2 GHz (Optimized for Telephony) |
| Body Material | Brass (Gold Plated) |
| Contact Material | Beryllium Copper (Gold Plated) |
| Termination Style | Dual Crimp (Pin & Ferrule) |
| Insulator | PTFE (Teflon) |
| Operating Temp | -40°C ~ +85°C |






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