{"product_id":"2-5mm-3-5mm-audio-jack-female-connector-pcb-dip-smd-headphone-socket","title":"2.5mm 3.5mm Audio Jack Female Connector PCB DIP SMD Socket","description":"\n\u003ch2\u003e2.5mm \u0026amp; 3.5mm Audio Jack Female Connector – PCB DIP \u0026amp; SMD Headphone Socket\u003c\/h2\u003e\n\u003cp\u003eWhether you're prototyping a custom audio circuit, repairing a device, or building your next electronics project, these PCB-mount audio jack sockets deliver reliable signal connectivity in a compact, easy-to-solder form factor. Available in both \u003cstrong\u003e2.5mm and 3.5mm\u003c\/strong\u003e formats across multiple popular series — PJ-242, PJ-301M, PJ-313E, PJ-320D, PJ-327A, PJ-391, PJ-392, and PJ-393 — you'll find exactly the footprint you need.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Size Options:\u003c\/strong\u003e Compatible with both 2.5mm and 3.5mm audio plug standards for maximum versatility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Series Available:\u003c\/strong\u003e PJ-242, PJ-301M, PJ-313E, PJ-320D, PJ-327A, PJ-391, PJ-392, PJ-393 — choose the exact footprint for your PCB layout.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThrough-Hole (DIP) \u0026amp; SMD Mounting:\u003c\/strong\u003e Suitable for hand-soldering prototypes or automated SMT assembly lines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeadphone \u0026amp; Audio Jack Socket:\u003c\/strong\u003e Ideal for headphone outputs, microphone inputs, line-in\/line-out circuits, and audio switching applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Robust contacts ensure a secure, low-resistance connection for consistent audio performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBreadboard \u0026amp; PCB Friendly:\u003c\/strong\u003e Standard pin spacing makes integration into custom boards and development platforms straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Sizes:\u003c\/strong\u003e 2.5mm \/ 3.5mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Types:\u003c\/strong\u003e DIP (Through-Hole) \/ SMD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable Series:\u003c\/strong\u003e PJ-242, PJ-301M, PJ-313E, PJ-320D, PJ-327A, PJ-391, PJ-392, PJ-393\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Headphone jack, audio socket, PCB audio circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concern Chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThese audio jack connectors are perfect for electronics hobbyists, PCB designers, repair technicians, and professional engineers who need a reliable headphone or auxiliary audio socket. Use them in DIY amplifiers, custom audio interfaces, portable media players, development boards, or any circuit requiring a standard 3.5mm or 2.5mm audio connection.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the DIP and SMD versions of these audio jack connectors?\u003c\/h4\u003e\n\u003cp\u003eA: DIP (Dual In-line Package \/ Through-Hole) connectors have pins that pass through holes in the PCB and are soldered on the underside — great for hand-soldering and prototyping. SMD (Surface-Mount Device) connectors are soldered directly onto pads on the surface of the board, making them ideal for compact designs and automated PCB assembly processes.\u003c\/p\u003e\n\u003ch4\u003eQ: Which series should I choose — PJ-242, PJ-301M, PJ-313E, PJ-320D, PJ-327A, PJ-391, PJ-392, or PJ-393?\u003c\/h4\u003e\n\u003cp\u003eA: Each series corresponds to a different physical footprint, pin configuration, and body style. Check your PCB layout or datasheet for the exact series number required. Common choices include the PJ-301M for standard vertical 3.5mm through-hole mounting and the PJ-320D for a low-profile horizontal SMD design. Select based on your board's footprint dimensions and mounting orientation.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these audio jack sockets compatible with standard 3.5mm headphone and aux plugs?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 3.5mm variants are fully compatible with standard TRS and TRRS headphone, microphone, and auxiliary audio plugs used in everyday consumer electronics. The 2.5mm variants suit smaller-form-factor devices and specialty audio applications that use the 2.5mm standard.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the DIP and SMD versions of these audio jack connectors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"DIP (Dual In-line Package \/ Through-Hole) connectors have pins that pass through holes in the PCB and are soldered on the underside — great for hand-soldering and prototyping. SMD (Surface-Mount Device) connectors are soldered directly onto pads on the surface of the board, making them ideal for compact designs and automated PCB assembly processes.\"}}, {\"@type\": \"Question\", \"name\": \"Which series should I choose — PJ-242, PJ-301M, PJ-313E, PJ-320D, PJ-327A, PJ-391, PJ-392, or PJ-393?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each series corresponds to a different physical footprint, pin configuration, and body style. Check your PCB layout or datasheet for the exact series number required. Common choices include the PJ-301M for standard vertical 3.5mm through-hole mounting and the PJ-320D for a low-profile horizontal SMD design. Select based on your board's footprint dimensions and mounting orientation.\"}}, {\"@type\": \"Question\", \"name\": \"Are these audio jack sockets compatible with standard 3.5mm headphone and aux plugs?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The 3.5mm variants are fully compatible with standard TRS and TRRS headphone, microphone, and auxiliary audio plugs used in everyday consumer electronics. 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