Earphone Socket 3.5MM Audio Socket PJ320 (PJ320B) — 3Pin SMD Belt Column, 3.5 Headset Female Seat — 10Pcs , or add a standard 3.5mm headset jack to small audio devices with this compact, boardmountable earphone socket. The PJ320 / PJ320B 3pin SMD female seat is designed for reliable audio connections in compact electronics and DIY projects. Key benefits Restores headphone connectivity quickly: ideal for repairing devices with a worn or damaged 3.5mm jack. Spacesaving surfacemount design: SMD package keeps the component footprint small for modern, compact PCBs. Stable mechanical support: belt column mounting helps secure the socket on the board for consistent contact and durability. Pack of 10: multiple spare parts for batch repairs, prototypes, or production runs. Main features and specifications Model: PJ320 (PJ320B) Type: 3.5mm female audio socket (earphone/headset seat) Pins: 3 (TRS configuration for stereo/headset connections) Mounting: SMD (surfacemount device) with belt column Quantity: 10 pieces per pack Compatibility and functionality Designed for standard 3.5mm TRS audio plugs used by most headphones, earphones and audio cables. Suitable for use as the main audio jack or headset socket on compact consumer electronics, audio modules and custom PCBs. Works with stereo audio signals and common headset wiring that uses three contacts. Typical use cases and replacement: swap out a damaged 3.5mm headphone jack on portable audio players, small speakers, or handheld devices. Prototyping and smallscale production: add a compact, surfacemount headset socket to PCB designs for consumer electronics or DIY audio projects. Electronics workshops and hobbyists: keep a set of reliable replacement jacks for frequent repairs and experiments. What to expect A compact, boardmountable 3.5mm female socket compatible with standard TRS headphone plugs. Consistent, repeatable connections when mounted correctly to the PCB. Ten identical sockets in one pack for convenience in repairs and development. Note: This listing provides the PJ320 / PJ320B 3pin SMD 3.5mm earphone sockets as described. Confirm mechanical fit and board layout compatibility with your PCB design before soldering.