IZZITION offers a broad selection of high-quality variable resistors and potentiometers, including rotary and trimmer potentiometers, slide potentiometers, and adjustable power resistors from top brands like Bourns Inc., KYOCERA AVX, Littelfuse Inc., Panasonic Electronic Components, Siemens, and TE Connectivity AMP Connectors. Our products meet international standards, ensuring reliable performance for a variety of applications.
Potentiometers and variable resistors are components used to adjust resistance and control the flow of electrical current in a circuit. Unlike fixed resistors, their resistance can be manually adjusted, allowing for fine-tuning of current levels. Potentiometers typically have three terminals and work by sliding a contact (wiper) along a resistive element, altering the output voltage or current.
1. Rotary Potentiometers
These are the most common type, where the user rotates a knob to adjust resistance. They are often used in volume controls, tuning circuits, and dimming lights. Their durability and wide range of adjustment make them ideal for many consumer electronics.
2. Slide Potentiometers
Slide potentiometers adjust resistance via a linear sliding motion. They are used in audio mixing consoles and other applications that require smooth, linear control.
3. Trimmer Potentiometers
Trimmers are small, adjustable resistors typically used for fine-tuning circuits during manufacturing or maintenance. They are set and rarely adjusted afterward, often found in precision equipment.
4. Digital Potentiometers
Digital potentiometers provide electronically controlled resistance and are used where manual adjustment is impractical. They are commonly found in automated systems and digital electronics.
Potentiometers and variable resistors are widely used in electronics to adjust voltage, control audio levels, and fine-tune circuits. They are found in devices such as radios, amplifiers, lighting systems, and home appliances, as well as in industrial controls for adjusting speed, intensity, or signal levels. Their ability to precisely control current flow makes them essential in many applications.