EVM-3YSW50B23

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Trimmer Potentiometers are variable resistors which are pre-set to a certain resistance and can be adjusted using a directly operated screw or contact. The intention is to use the trim potentiometer for the adjustment of signal levels in electronic circuits, for example the volume, tone and balance adjustments in audio and television equipment.

The 3YSW50B23 is a trimmer potentiometer in the EVM's 3YSW3000 series product, including a single 10 turn element in a 50 series mini package size. It offers high precision and stability with low temperature drift, as well as high tolerance to shock and vibration. It has a resistance range of 0.5Ω to 3KΩ, power rating of 0.5W, and an operating voltage of 100V. The maximum contact resistance is 350mΩ and the potentiometer features a 6mm-long carbon element.

The 3YSW50B23 has a wide range of applications in many areas. It is typically used in electronic circuits in order to adjust signal levels, making it a popular choice for adjustable accuracy in signal level control. In addition to being applied in audio and television equipment, it can also be used as an adjustable resistance in the telecommunication and automotive industry, electric tools & instruments, medical & leather equipment, meters & gauges, and other industrial components.

The working principle of the 3YSW50B23 is based on the motion of electrical contact wiper that can travel or rotate along the resistance track. It consists of three terminals, namely the ends of the resistance track (A and B) and the contact wiper (C). When the contact moves along the track, the resistance between the wiper and the ends of the track change, forming a voltage divider circuit. Thus, the voltage which is applied to the slider and monitors the change in resistance between the end points, to adjust the signal level.

In summary, the 3YSW50B23 trimmer potentiometer is a widely used component for adjusting signal levels in electronic circuits, such as audio and telecommunication systems. The wiper contact adjusts the signal level by changing the resistance between the end points of the resistance track, and the adjustable accuracy ensures high precision and stability in the circuit performance. Combining these advantages, the 3YSW50B23 is a reliable choice in electronic circuit design for signal adjustment.

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