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3.5mm Male Stereo Audio Jack Plug Connector
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✅ Key Features:
Connector Type: 3.5mm male stereo (TRS)
Contacts:
Tip (T): Left audio channel
Ring (R): Right audio channel
Sleeve (S): Ground
Configuration: 3-pole (TRS) connector
Material:
Housing: Plastic or metal (varies by model)
Contacts: Gold-plated or nickel-plated brass/copper for better conductivity
Mounting Type:
Solder type for DIY electronics
Some variants come with screw terminals
📏 Specifications:
| Property | Value |
|---|---|
| Plug Diameter | 3.5mm (1/8 inch) |
| Contact Poles | 3 (Stereo TRS – Tip/Ring/Sleeve) |
| Material (body) | ABS, PVC, or Metal Alloy |
| Material (contacts) | Brass or Copper (Gold/Nickel plated) |
| Mounting | Solder Lugs or Screw Connectors |
| Use Case | Audio signal transmission (stereo) |
| Current Rating | Typically ~1A max |
| Voltage Rating | Typically ~12V max (depends on insulation) |
🛠️ Common Applications:
Headphones and earphones
Audio cable DIY projects
MP3 players, smartphones, laptops
AUX cables (car, home audio)
Arduino or Raspberry Pi audio output (with amplifier)
Audio extension cables or adapters
🧰 Wiring Guide (TRS 3.5mm Jack):
| Pin | Function | Wire Color (Common) |
|---|---|---|
| Tip | Left Audio (L) | White |
| Ring | Right Audio (R) | Red |
| Sleeve | Ground (GND) | Copper/Black |
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