Description
⚙️ Overview:
The 20K Variable Mini Potentiometer (203) is a compact, high-precision adjustable resistor commonly used for DIY electronics, Arduino projects, and circuit calibration tasks. It allows smooth control of voltage and current levels in a circuit, making it essential for tuning sensitivity, brightness, volume, and other analog signal parameters.
Whether you are an electronics hobbyist, student, or professional technician, this small yet powerful mini potentiometer is an ideal choice for precise electronic adjustments. Available exclusively at Rafiq Electronics, this component ensures accuracy, durability, and versatility for all your prototyping needs.
🔋 Key Features & Highlights:
✅ 20K Ohm Resistance Value (203): ⚙️ Perfect for controlling current flow and voltage division in analog circuits.
✅ Compact Mini Design: 🔧 Space-saving trimmer suitable for PCB mounting and tight electronic assemblies.
✅ High Adjustment Accuracy: 🎯 Fine-tune circuit performance with smooth rotation and precise control.
✅ 3-Pin Configuration: 🔌 Simple to connect on breadboards or solder onto printed circuit boards (PCBs).
✅ Durable Build Quality: 🛠️ Long lifespan with stable resistance and corrosion-resistant metal terminals.
✅ Versatile Applications: 💡 Ideal for use in DIY electronics, Arduino, robotics, sensor calibration, and amplifier tuning.
✅ Lightweight & Easy to Use: 🧰 Designed for both beginners and professionals working with low-power circuits.
✅ Compatible with Microcontrollers: 🤖 Works efficiently with Arduino, Raspberry Pi, and ESP boards for analog input control.
✅ Trusted by Rafiq Electronics: 🏪 100% quality tested and delivered with satisfaction guarantee across Pakistan.
🔍 Technical Specifications:
| Specification | Details |
|---|---|
| Resistance Value | 20K Ohm (203) |
| Type | Mini Variable Potentiometer / Trimmer |
| Terminals | 3 Pins |
| Adjustment Type | Rotary / Screw type |
| Mounting | PCB Mount |
| Tolerance | ±10% (Typical) |
| Material | Metal & High-Grade Plastic |
| Operating Voltage | 3V – 12V (Typical for small circuits) |
🧰 Applications:
The 20K Variable Mini Potentiometer (203) is widely used in both educational and professional environments:
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⚡ Arduino Projects – Analog sensor calibration, brightness & speed control.
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🔉 Audio Circuits – Volume and tone control for speakers and amplifiers.
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💡 Sensor Modules – Adjust sensitivity for infrared, ultrasonic, and light sensors.
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🔋 Power Supply Circuits – Fine-tuning output voltage levels.
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🔧 DIY Electronic Kits – Great for experimentation and learning purposes.
This potentiometer allows precise manual adjustment in applications that require tuning or calibration — perfect for makers and electronics enthusiasts.
💎 Why Choose Rafiq Electronics?
At Rafiq Electronics, we are committed to providing high-quality and reliable components that meet the needs of students, professionals, and manufacturers alike. Every component is carefully tested before shipping to ensure top-notch performance and reliability.
✅ Quality-tested components
✅ Affordable prices
✅ Fast delivery across Pakistan
✅ Expert assistance for circuit design and product selection
⚠️ Usage Tips:
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Turn the adjustment screw slowly for accurate tuning.
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Ensure proper soldering on PCB to avoid contact resistance.
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Do not exceed rated voltage or current to ensure long component life.









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