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WF4201 Series 4.20mm Wire-to-Board Connectors | Reliable Contact · Interference Resistance · Anti-Mismating

2026-07-31 14:56

Against the backdrop of the ongoing trend toward high reliability and high-density wiring in industrial control and consumer electronics, WCON Electronics developed the WF4201 series connectors to address these challenges. This 4.20mm-pitch wire-to-board product delivers stable signal transmission and flexible adaptability across a wide range of configurations for diverse application scenarios.

  

The WF4201 series features a latch-lock mechanism to prevent loosening caused by vibration or external pulling forces; it is also equipped with an anti-mismating design to prevent terminal damage from incorrect mating. WCON Electronics’ four-point contact design in this series increases contact area and contact pressure, ensuring stable signal transmission; isolation structures between contacts reduce signal interference and the risk of short circuits, enhancing electrical safety. This 4.20mm wire-to-board series is suitable for industrial control, power supply systems, and home appliances, providing a reliable, flexible, and safe connection solution.

  

WF4201 Series 4.20mm Wire-to-Board Connector - WCON Electronics - Latch-lock Four-Point Contact Design

 


 

Product Highlights Performance Specifications
- Polarized key design to prevent mismating; - Rated Current: 9.0A
- Latch-lock design to prevent disconnection; - Rated Voltage: 600 V
- Four-point contact terminal design to enhance signal transmission stability. - Insulation Resistance: 1000 MΩ min
- Withstand Voltage: 1500 V AC min
- Operating Temperature: -40°C to +105°C
- Applicable Wire Gauge: 18–24 AWG

 

Standards Product Applications
- EIA-364 - Industrial: Automation equipment, industrial servers
- Consumer: HVAC systems, refrigerators, washing machines
- Networking: Routers, servers, storage devices
- Medical: Diagnostic equipment, patient monitors

 


 

Data Sheet

 

The following are the detailed performance specifications for the WF4201 series of industrial connectors, provided as a reference for product selection.

WF4201 Series Connector Selection Table - Single Row and Dual Row Multiple Pin Configurations

WF4201 Series 4.20mm Wire-to-Board Connector
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