This headphone jack adopts a horizontal surface-mount design with a standard 3.5mm (1/8 inch) interface aperture, featuring 7 gold-plated contacts (7P structure). It is typically used in smartphones, portable medical devices, and industrial headphone interfaces. Its dustproof and splash-proof design makes it suitable for harsh environments.
Features
90-degree right-angle PCB mounting, saving vertical space.
Contact resistance ≤30mΩ, supporting full-range audio signal transmission (20Hz–20KHz).
Durability: 5,000 insertion/extraction cycles, gold-plating thickness ≥0.8μm.
Compatibility: Supports 3-pole/4-pole headphone plugs (with microphone function).
Safety certifications: UL94 V-0 flame retardant and IEC 60601-1 medical safety compliant.
Argument
| Material of Main Part/Color | PA9T/Black |
| Number of Contacts | 7 Pin |
| Rated Current | 0.5A |
| Rated Voltage | 30V AC |
| Contact Resistance | 30mΩ MAX. |
| Withstand Voltage | 500 V (1MIN) |
| Insulation Resistance | 100MΩ MIN. |
| Insertion Force | 5N |
| Withdrawal Force | 20N |
| Service Life | 5000 Times |
| Operating Temperature | -35℃ ~ +85℃ |
Core Technology
Key Words:
Insertion/Extraction Cycle Life, Spring Contact Terminal, Dustproof & Waterproof, Guiding Structure, Insertion/Extraction Force Control
Core Advantage:
More than 10,000 insertion/extraction cycles.
Technical Features:
Spring contact terminals made of phosphor bronze + gold plating (0.5–1μm), ensuring low resistance and extended lifespan.
Application Scenarios
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