The **RS-16-R** typically refers to a specific model of **Rotary Selector Switch** or a **Power Relay**, depending on the manufacturer (most commonly associated with brands like *Alps Alpine* for switches or various industrial relay brands). Below is a breakdown of the electronic components and specifications generally associated with the **RS-16-R Rotary Switch series**, which is widely used in audio equipment and household appliances. --- ### 1. Technical Specifications The "16" in the part number often refers to the number of positions or the outer diameter (16mm). | Feature | Specification (Typical) | | :--- | :--- | | **Type** | Rotary Switch | | **Positions** | Up to 16 positions (Binary or Step) | | **Output Code** | Real Code or Complementary Code | | **Voltage Rating** | 5V DC to 12V DC | | **Current Rating** | 10mA to 100mA | | **Operating Torque** | 7 ± 3 mN·m | | **Rotational Life** | 10,000 to 50,000 cycles | --- ### 2. Internal Electronic Construction The RS-16-R is composed of several key mechanical and electronic sub-parts: * **Wafer/Substrate:** Usually made of FR4 or ceramic, containing the printed circuit traces. * **Wiper Contact:** A metallic "brush" (often gold or silver plated) that rotates to bridge connections between the common terminal and position terminals. * **Detent Mechanism:** A spring-loaded ball or plate that provides the tactile "click" feeling and ensures the switch stays in a specific position. * **Terminals:** Through-hole (PCB) or Surface Mount (SMD) pins for electrical integration. --- ### 3. Pin Configuration & Output Since the RS-16-R is often a **Hexadecimal Rotary Switch**, it uses a binary-coded system to communicate with microcontrollers. #### Common Binary Table (Example for 16-step): | Position | C (Common) | Pin 1 (1) | Pin 2 (2) | Pin 3 (4) | Pin 4 (8) | | :--- | :--- | :--- | :--- | :--- | :--- | | **0** | Connected | OFF | OFF | OFF | OFF | | **1** | Connected | **ON** | OFF | OFF | OFF | | **2** | Connected | OFF | **ON** | OFF | OFF | | **15 (F)** | Connected | **ON** | **ON** | **ON** | **ON** | --- ### 4. Applications The RS-16-R component is found in: 1. **Industrial Controls:** Setting Device IDs or addresses on a bus. 2. **Audio Equipment:** Volume increments or channel selection. 3. **Communication Devices:** Frequency band selection. 4. **White Goods:** Mode selection on washing machines or ovens. ---