3-643821-4

The 3-643821-4 from TE Connectivity AMP Connectors represents a high-performance solution in Rectangular Connectors - Free Hanging, Panel Mount, engineered for mission-critical connectivity applications. This precision-engineered component delivers exceptional signal integrity and EMI shielding performance, making it ideal for 5G infrastructure and aerospace systems. With advanced contact technology and robust construction, it ensures reliable data transmission even in harsh operating environments.Designed as a Receptacle, this interconnect solution provides superior mating cycle durability, exceeding 10,000 insertion cycles while maintaining stable contact resistance. The polarized housing design prevents misalignment during high-density PCB assembly.Featuring Female Socket contacts with dual-beam construction, this connector achieves lower insertion force and higher contact reliability compared to standard single-beam designs. The optimized contact geometry minimizes signal reflection for high-speed data transmission.Available in 4 configurations, this scalable interconnect system supports flexible circuit design from simple power distribution to complex multi-channel signal routing. The balanced pin arrangement reduces crosstalk between adjacent circuits.The 0.156" (3.96mm) pitch configuration enables high-density packaging without compromising serviceability. This fine-pitch design is particularly advantageous for space-constrained applications like wearable electronics and IoT edge devices.With 1 rows arrangement, this connector provides balanced mechanical stability and efficient PCB real estate utilization. The staggered contact pattern enhances vibration resistance in mobile equipment.The Free Hanging (In-Line) option offers installation flexibility for various system architectures. Panel mount variants include integrated strain relief features for cable management in industrial control panels.The Locking Ramp mechanism provides positive mating confirmation through tactile and audible feedback. The vibration-proof locking system maintains connection integrity in high-shock environments.IDC termination method ensures gas-tight connections that resist environmental contaminants. This cold-welding technique maintains stable conductivity over temperature fluctuations from -55 C to +125 C.Compatible with Discrete or Ribbon Cable wiring, this connector supports both automated and manual assembly processes. The insulation displacement contacts provide consistent performance across different wire gauges.Accommodating 26 AWG conductors, this connector meets UL 1977 standards for current-carrying capacity. The precision-machined contacts prevent wire strand damage during termination.The Closed End, Polarizing Key design elements address specific application challenges in harsh environments. IP67-rated versions include molded sealing gaskets that prevent moisture ingress in outdoor installations.The Tin plating delivers optimal surface conductivity while preventing fretting corrosion. Gold-flashed contacts exhibit less than 5m resistance variation after environmental testing.With 80.0µin (2.03µm) plating thickness, this connector exceeds MIL-DTL-83513 specifications for wear resistance. The nano-scale surface treatment enhances durability without compromising signal integrity.The Blue housing incorporates UV-stabilized polymers that maintain colorfastness under prolonged sunlight exposure. High-visibility options are available for safety-critical applications.