TC89W-1-504

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The TC89W-1-504 is a potentiometer, belonging to the trimmer variety, which is available in a wide range of resistances, rotational forces, temperature ranges and electrical endurance. Using its encased format the trimmer potentiometer allows for adjustable control of circuit settings and parameters.

Trimmer potentiometers are designed to fine tune or balance a circuits electrical values. They are often used in voltage and current control regulation where the user requires precise changes to a circuits operation. At the heart of most trimmer potentiometers is a three terminal device consisting of a resistive track across which a wiper driven by a turning element is moved. The resistance across the resistive element varies as the wiper is moved along it while the other two terminals remain connected to the resistive element.

The TC89W-1-504 is a spring-loaded trimmer(SLT) type potentiometer, populated with a polyester track for ceramic, plastic or metal wiper types. This trimmer is ideal for use in audio and video circuits, as its design provides excellent contact performance. When comparing SLT’s with components possessing ordinary wiper contacts, the SLT’s wiper contact element offers a four-fold decrease in contact resistance and an increased distance in terms of capacitance. The low contact resistance of the SLT’s wiper contact element is due to the spring-loaded design and as a result, contact resistance does not increase with increased wiper distance.

The suitable applications for TC89W-1-504 include a wide application range where a wiper driven potentiometer is required. It is a suitable choice for audio amplifiers, volume control for car radio’s, mixer circuits and adjustable voltage reference outputs. It is also suitable for audio applications such as synthesizers and audio mixers. Other applications include accent control of neon and incandescent lamps, automatic gain control in broadcast circuits, and automatic gain control in consumer electronics and telecommunications.

The working principle of TC89W-1-504 is similar to that of other trimmer potentiometers. As the adjusting knob is turned, the resistive element is traversed by the wiper contact element, offering a variable resistance. This resistance can be viewed as being three series resistors in parallel, with the point of combination of the three being the adjustment point. The voltage at this point is determined by the wiper contact element and is adjustable by the adjustment of the knob.

In terms of electrical characteristics, the TC89W-1-504 offers excellent performance. It has very low contact resistance and good rotational balance. The resistance range is from 0 to approximately 650 Ohms, and the power rating is 1 Watt. The operating temperature for the component can range from -25 to +85 degrees Celsius, making it suitable for extreme environmental conditions.

The TC89W-1-504 trimmer potentiometer is a reliable, well-built device that can provide high performance in many different settings. Its superior contact performance makes it an ideal choice for audio, video, and other fluxuation control applications. Its wide range of resistances and operating temperatures make it a suitable choice for a wide range of applications.

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