The **K1-8-R** is a specific electronic component typically identified as a **tactile switch** (or push-button switch) characterized by its compact, right-angle surface mount design. These are commonly used in consumer electronics, automotive controls, and telecommunications equipment. ### 1. General Specifications The K1-8-R belongs to the category of electromechanical components. Below are the typical technical parameters: | Parameter | Specification (Typical) | | :--- | :--- | | **Switch Type** | Tactile / Momentary | | **Mounting Type** | Surface Mount (SMD / SMT) | | **Orientation** | Right Angle | | **Actuation Force** | 160gf to 250gf (depending on sub-variant) | | **Contact Rating** | 50mA @ 12V DC | | **Life Cycle** | 50,000 to 100,000 cycles | | **Operating Temp** | -25°C to +70°C | --- ### 2. Physical Design and Construction The "R" in the part number usually signifies **Right Angle**, meaning the button is pressed parallel to the PCB, which is ideal for side-mounted buttons on devices like smartphones or handheld controllers. * **Actuator:** The physical button pressed by the user. * **Contact Dome:** Usually made of stainless steel or phosphor bronze with silver plating to provide tactile feedback (the "click"). * **Terminals:** Usually G-wing or J-wing leads for surface mounting. * **Housing:** High-temperature plastic (LCP or Nylon) to withstand reflow soldering. --- ### 3. Circuit Configuration Most K1-8-R tactile switches use a **SPST (Single Pole Single Throw)** normally open configuration. ```cpp // Logic Representation // [Terminal A] ----/ ---- [Terminal B] // (Open by default; connection made when pressed) ``` --- ### 4. Common Applications * **Consumer Electronics:** Power buttons on cameras, volume rockers on tablets. * **Industrial:** Reset switches on embedded controller boards. * **Automotive:** Interface buttons for infotainment or window controls. * **Wearables:** Side buttons for smartwatches where space is extremely limited. ---