The **262UR503C** is a specific electronic component belonging to the potentiometer family, manufactured primarily by **CTS Electronic Components**. It is a commercial-grade rotary potentiometer often used for board-level adjustments. --- ### 1. Component Specifications Below is a breakdown of the technical characteristics defined by the part number: | Specification | Details | | :--- | :--- | | **Component Type** | Rotary Potentiometer / Trimmer | | **Resistance Value** | 50 kΩ (indicated by "503") | | **Series** | 262 Series | | **Mounting Type** | Through-hole / PC Pins | | **Adjustment Type** | Top Adjustment (knurled/slotted shaft) | | **Tolerance** | ±20% (Standard for this series) | | **Power Rating** | 0.15 Watts @ 40°C | --- ### 2. Part Number Deciphering The alphanumeric code follows a specific naming convention used by CTS: * **262**: Identifies the Series (12mm diameter carbon composition potentiometer). * **U**: Refers to the terminal style (usually PC pins, vertical mount). * **R**: Represents the shaft or adjustment style (typically a knurled and slotted shaft). * **503**: The resistance code. * **50** = The first two digits of the value. * **3** = The number of zeros following. * *Result: 50,000 Ohms (50 kΩ).* * **C**: Often denotes the resistance taper (Linear Taper). --- ### 3. Physical Features & Applications The 262 series is known for its compact size and reliability in consumer electronics. #### Key Features: * **Carbon Composition:** Uses a carbon element to provide a wide range of resistance values at a low cost. * **Small Footprint:** The 12mm size is ideal for space-constrained PCB designs. * **Mechanical Rotation:** Typically offers a 295° rotation angle. #### Common Uses: * **Volume Controls:** In small radios or audio equipment. * **Calibration:** Used as a semi-fixed resistor to calibrate sensors or timing circuits. * **User Interface:** Dimmer controls for LED backlighting or speed controllers for small DC motors. --- ### 4. Circuit Symbol and Operation In a schematic, the 262UR503C acts as a **Voltage Divider**. It has three terminals: 1. **Terminal 1:** Input (High) 2. **Terminal 2 (Wiper):** The output signal that varies as the knob is turned. 3. **Terminal 3:** Input (Low/Ground) ```text (1)----[ 50k Ohm ]----(3) ^ | (2) Wiper ```