The **BS-16-R** typically refers to a **16mm Rotary Potentiometer** or a **Horizontal Battery Holder (specifically for CR1616, CR1620, or CR1632 cells)** depending on the manufacturer. However, in the context of common electronic components, it most frequently identifies a specific series of **Rotary Potentiometers**. --- ### 1. Technical Specifications (General) If your part is the **BS-16-R Rotary Potentiometer**, the typical technical profile is as follows: | Parameter | Characteristic | | :--- | :--- | | **Type** | Single-unit, Carbon Film | | **Rotation Angle** | 300° ± 5° | | **Rated Wattage** | 0.05W to 0.125W | | **Voltage Rating** | 150V AC / 20V DC | | **Mounting Style** | PCB Through-hole / Horizontal | | **Shaft Type** | "R" (usually denotes Round or Ribbed shaft) | ### 2. Physical Construction The "16" in the part number indicates the diameter of the body (16mm). The component consists of several key parts: 1. **Resistive Element:** A horseshoe-shaped track made of carbon composition. 2. **Wiper:** A metal contact that moves across the track to change resistance. 3. **Terminal Pins:** Three pins (Input, Output/Wiper, and Ground). 4. **Housing:** A metal or plastic casing designed to protect the internal elements. ### 3. Pinout Configuration The standard 3-pin configuration for the BS-16-R series is: * **Pin 1 (Left):** Ground / CCW (Counter-Clockwise Terminal) * **Pin 2 (Middle):** Wiper (Output signal) * **Pin 3 (Right):** Input / CW (Clockwise Terminal) ### 4. Common Applications * **Audio Equipment:** Volume and tone controls in amplifiers. * **Lighting:** Dimmer switches for small LED circuits. * **Instrumentation:** Sensitivity adjustments on sensors or testing equipment. * **DIY Electronics:** Commonly used in Arduino or Raspberry Pi projects for analog input. --- ### Alternative Identification: Battery Holder If your component is a **Battery Holder (BS-16-R)**, it is a surface-mount or through-hole clip designed for 16mm lithium coin cells. | Feature | Description | | :--- | :--- | | **Material** | Phosphor Bronze with Nickel Plating | | **Compatibility** | CR1616, CR1620, CR1632 | | **Polarity** | Top contact is usually Positive (+), PCB pad is Negative (-) | ---