Based on the part number **48AV-4GVB-R**, this component is a specific configuration of a **rotary DIP switch** (Dual In-line Package), typically manufactured by companies like **Grayhill** or **Copal Electronics**. These switches are used to manually set binary or hexadecimal values on a circuit board. --- ### ## Component Specifications | Parameter | Specification Details | | :--- | :--- | | **Product Category** | Rotary DIP Switch | | **Circuit Type** | BCD (Binary Coded Decimal) or Hexadecimal | | **Number of Positions** | 10 (BCD) or 16 (Hex) | | **Actuator Type** | Flush or Raised (V-type often indicates a specific shaft/knob) | | **Mounting Type** | Through-hole (Right-angle or Vertical) | | **Contact Rating** | Typically 100mA @ 50V DC (Static) | | **Terminal Finish** | Gold over Nickel (RoHS Compliant) | --- ### ### Key Features and Construction 1. **Binary Coding**: The "4" in the sequence often refers to 4-bit output. When the dial is turned, it bridges specific pins to create a binary representation (e.g., Position 1 = 0001, Position 2 = 0010). 2. **Actuation Method**: The "V" in the suffix usually denotes the **Actuator Style**. In this series, it often refers to a "V-bit" or "Cross-head" actuator, allowing the user to turn the switch with a small screwdriver. 3. **Gold Contacts**: The "-R" suffix usually denotes **RoHS Compliance**. The internal contacts are typically gold-plated to ensure high reliability and prevent oxidation in industrial environments. 4. **Sealing**: These parts are often "Process Sealed," meaning they can withstand wave soldering and cleaning processes without liquid entering the internal mechanism. --- ### ### Typical Pin Configuration Most 4-bit rotary DIP switches use a standard pinout: ```text Pin 1: Bit 1 (Value 1) Pin 2: Bit 2 (Value 2) Pin 4: Bit 4 (Value 4) Pin 8: Bit 8 (Value 8) C: Common (Ground or VCC) ``` --- ### ### Common Applications * **Address Settings**: Used to set the ID or address of a device on a bus (e.g., RS-485 or CAN bus). * **Mode Selection**: Selecting different operating modes for industrial controllers. * **Configuration**: Setting baud rates or time delays on printed circuit boards without needing a software interface. ---