The **10AP-311-R** is a specific electronic component, typically categorized as a **Surface Mount (SMT) Low Profile Tactile Switch**. These components are widely used in consumer electronics, automotive interfaces, and industrial controls where space is limited but tactile feedback is required. --- ### Technical Specifications Below are the general technical parameters associated with this part number: | Parameter | Specification | | :--- | :--- | | **Component Type** | Tactile Switch (Momentary) | | **Mounting Type** | Surface Mount (SMD / SMT) | | **Actuation Force** | Usually 160gf to 260gf (varies by sub-series) | | **Contact Material** | Silver Plated (Standard) | | **Voltage Rating** | 12V DC (Typical) | | **Current Rating** | 50mA | | **Operating Life** | 100,000 to 500,000 cycles | | **Height** | Low profile (usually < 2.5mm) | --- ### Key Features 1. **Compact Footprint**: Designed for high-density PCB layouts where vertical space is restricted. 2. **Tactile Feedback**: Provides a crisp "click" sensation to the user, confirming that the switch has been successfully actuated. 3. **Reflow Solder Compatible**: The materials used are rated for high-temperature lead-free soldering processes. 4. **Reliability**: Often features a sealed or dust-resistant design to ensure a long operational life in various environments. ### Internal Construction The "R" suffix typically denotes **Tape & Reel** packaging, suitable for automated pick-and-place assembly machines. Internally, the switch consists of: * **Actuator (Stem):** The part the user presses. * **Metal Dome:** Acts as both the spring mechanism and the electrical conductor. * **Base/Housing:** High-temperature thermoplastic. * **Terminals:** Leads that connect to the PCB pads. ### Typical Applications * **Consumer Electronics:** Power buttons on smartphones, volume rockers, and Bluetooth headsets. * **Computing:** Mouse buttons, reset switches on motherboards. * **Automotive:** Key fobs, dashboard controls, and steering wheel buttons. * **Medical:** Portable diagnostic equipment and handheld devices. ---