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

| 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.
