TYPE-C 16P Board-Mounted Waterproof Receptacle IPX7 Grade Solution

‌I. Product Requirements Analysis‌

‌Core Parameter Requirements‌

Compliant with USB Type-C 2.1 standard specifications

16Pin full-feature pin configuration

IPX7 waterproof rating (30-minute immersion protection at 1m depth)

Operating temperature range: -40℃~85℃

Insertion durability ≥10,000 cycles

‌Application Scenarios‌

Outdoor wearable devices

Industrial-grade mobile terminals

Automotive electronics

Medical waterproof equipment

‌II. Key Technical Solutions‌

‌Waterproof Structure Design‌

‌Triple-seal structure‌:

Silicone sealing ring (hardness 50±5 Shore A)

Nano-coating PCB protection (thickness 0.1-0.3mm)

Laser-welded housing (gap ≤0.05mm)

‌Material Selection‌

Housing: Zinc alloy

Contacts: Gold plating thickness ≥3μm

Sealing material: Liquid Silicone Rubber (LSR) molding

‌PCB Design Key Points‌

Slotted solder pad design (prevents liquid capillary effect)

Added waterproof breathable membrane (ePTFE material)

Board edge clearance ≥2.5mm

‌III. Testing & Validation Plan‌

‌Environmental Tests‌

Salt spray test: 96 hours in 5% NaCl solution

Temperature cycling: -40℃↔85℃ for 100 cycles

Vibration test: 10-500Hz on 3 axes for 2 hours each

‌Electrical Performance Tests‌

Withstand voltage 500V AC/1 minute

‌IV. Production Control Points‌

Injection molding parameter control (mold temperature at 80±5℃)

100% air-tightness full inspection (test pressure 50kPa)‌