DK-621 Series

DK-621 series electrical connectors are dedicated to 1553B data bus system. There are three connection methods: screw type, four-bayonet type, and three-bayonet type, with locking device.
Technical documentation Datasheet DK-621 Series

DK-621 Series of electrical connectors
DK-621 series electrical connectors are dedicated to 1553B data bus system. There are three connection methods: screw type, four-bayonet type, and three-bayonet type, with locking device. This series of connectors has the characteristics of small size, light weight, environmental resistance, 360° shielding, easy installation, and high reliability.
• There are three connection methods: threaded, three-bayonet, and four-bayonet, and the fuse is anti-loosening.
• Welding of contacts and accessories 360° shielding
• Transmission rate: 1Mbps
• Characteristic impedance: 77.Q
• Cable: Shielded twisted pair M17/176-00002
• Implementation of corporate standards: Q/21EJ651

Main technical performance
[Environmental and mechanical properties]
• Cycles: 500-in cycles
• One shock: 11ms rear peak saw tooth wave, acceleration peak 50g-vibration: sinusoidal vibration 20g, with temperature cycle and simulation accessories
• Temperature range: -65°C~+125°C
• Seal: 1 meter water depth, one salt spray: 500 hours
• A working height: ≤ 21336m

[Electrical performance]
• Withstand voltage (Vrms)
• Normal conditions: center conductor to outer conductor: 500V AC
• Between the outer conductor and the housing: 500V AC
• Insulation resistance (at 500Vdc)
• Under standard conditions temperature: ≥ 5000MΩ; heat and humidity ≥ 100MΩ

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