3266P-1-502LF

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Trimmer Potentiometers

Trimmer potentiometers are small electronically-controlled variable resistors that can be used to adjust the characteristics of a device or system. They come in a variety of forms, and are used for applications such as gain control, signal conditioning, impedance matching, and many other applications where a precise, variable resistance is needed. The 3266P-1-502LF is an example of a trimmer potentiometer.

Application Field

The 3266P-1-502LF is a small, through-hole trimmer potentiometer. It is a single-turn, rotary potentiometer which can be adjusted with a screwdriver. It operates up to 200V and has a resistance range of 0.5Ω to 10KΩ with a tolerance of ±20%. It is used when a precise, adjustable resistance is needed in a variety of electronic circuits and systems, including audio preamplifiers, equalizers, amplifiers, radio filters, and others.

Working Principle

The 3266P-1-502LF trimmer potentiometer works by positioning a wiper along a resistance track. As the wiper is moved along the track, the resistance value of the potentiometer changes. The track is connected between two end terminals, and a third terminal is connected to the wiper. When voltage is applied to the end terminals, a current flows through the track proportional to the voltage. As the wiper is moved, it adds or subtracts resistance from the track, allowing for precise control over the resistance and current flowing between the terminals.

The 3266P-1-502LF is a basic trimmer potentiometer, often used in simple projects such as adjusting the gain of a preamplifier or equalizer. It can also be used in more sophisticated circuits such as in radio receivers or transmitters for automatic gain control, and in audio limiter circuits. It is a low-cost, reliable option for applications which require precise control over resistance.

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