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74040 Series 4.00mm Pitch Wire-to-Board Automotive Connectors | Waterproof, Shock Resistance and High Retention Force
Against the backdrop of increasing demands for shock and vibration resistance and high-reliability waterproofing in automotive electronics, WCON has launched the 74040 Series, a 4.00mm pitch wire-to-board connector featuring outstanding vibration resistance and waterproof performance. It also incorporates a secondary locking mechanism to effectively prevent terminal disengagement, further enhancing connection reliability.
The 74040 series is available in a standard version and an upgraded version: The standard version is suitable for typical automotive environments; the upgraded version builds on the standard version with an integrated injection-molded nut design, which improves installation and removal efficiency. It also incorporates a fully encapsulated epoxy resin process to provide single-end waterproofing, meeting IP69K waterproofing requirements. A distinct clicking sound is heard upon insertion, ensuring a quick and secure connection that meets the demands of stable power and signal transmission in harsh environments.

| Product Features | Performance Parameters |
| - Waterproof rating up to IP68 & IP69K; | - Rated Current: 5–8 A |
| - Dual-locking design for enhanced retention force; | - Rated Voltage: 250 V AC |
| - Three-point contact terminal design for improved connection stability. | - Insulation Resistance: 1000 MΩ min |
| - Withstand Voltage: 1000 V AC min | |
| - Operating Temperature: -40°C to +125°C | |
| - Applicable Wire Gauge: 16–22 AWG |
| Standards | Application Areas |
| - USCAR-2 | - Automotive Powertrain Systems |
| - QC/T 1067 | - ADAS Systems |
| - Alectronic Assistance Systems | |
| - Industrial Automation Equipment |
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