The **M3SXT-0V2-R** is a specific part number from **Bel Fuse Inc.** (specifically from their CUI Inc. or Bel Power Solutions lines) representing an **audio/video connector assembly**. Specifically, it is a 3.5mm Stereo Jack to 3.5mm Stereo Jack adapter or internal component. --- ## 1. Technical Specifications The following table highlights the core technical characteristics of this electronic part: | Characteristic | Specification | | :--- | :--- | | **Part Type** | Audio Jack / Connector | | **Connector Type** | 3.5 mm (1/8") Phone Jack | | **Gender** | Female (Socket/Receptacle) | | **Signal Configuration** | Stereo (3 Conductor / TRS) | | **Mounting Type** | Surface Mount (SMT) or Through-Hole (Variant dependent) | | **Orientation** | Right Angle | | **Shielding** | Unshielded/Shielded options available | --- ## 2. Key Features The "M3SXT" series is designed for compact consumer electronics. Its primary features include: * **Compact Footprint:** Designed to fit into slim mobile devices or compact PCB layouts. * **Mechanical Durability:** Rated for thousands of insertion/extraction cycles (typically 5,000+). * **Contact Plating:** Usually features Gold or Silver plating on contacts to prevent oxidation and ensure low contact resistance. * **Internal Switch:** Often includes a "normally closed" or "normally open" internal switch to detect when a plug is inserted (used for auto-switching speakers to headphones). --- ## 3. Pinout & Electrical Ratings While specific data sheets should be consulted for exact PCB footprints, the standard electrical limits are: ### Electrical Limits ```json { "Voltage Rating": "12V DC", "Current Rating": "1A", "Contact Resistance": "< 50 mOhms", "Insulation Resistance": "> 100 MOhms at 500V DC" } ``` ### Typical Pin Configuration (TRS) 1. **Tip (T):** Left Audio Channel. 2. **Ring (R):** Right Audio Channel. 3. **Sleeve (S):** Ground/Common. 4. **Shunt/Switch:** Used for jack detection. --- ## 4. Common Applications * **Consumer Electronics:** Laptops, tablets, and smartphones. * **Pro Audio:** Portable recorders and audio interfaces. * **Instrumentation:** Signal input/output for handheld testing equipment.