EVM-2WSX80B25 Potentiometers, Variable Resistors

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Trimmer potentiometers are small devices commonly used for adjusting resistance in electrical circuits. An example of such a device is the EVM-2WSX80B25, a mini Resistor Trimmer Potentiometer (RTP) developed by the Taiwanese company Ever Changing Magnetics Co., Ltd. The EVM-2WSX80B25 is a two-terminal surface mounted component with an adjustable resistance range of 0 to 15kΩ.

Trimmer potentiometers are primarily used to finely adjust the resistance value in circuits and enable precise control over the voltage, current, power, or other parameters of a system. This is especially useful in applications where there is a need to make minor changes to the existing circuitry to achieve a desired performance or set a target value. For instance, in DC power supplies, a trimmer potentiometer may be used to adjust the voltage output level to match the exact requirements of the device it is connected to. Trimmer potentiometers are also commonly used in LED brightness or sound volume control systems, frequency tuning radios, oscillators, and other similar applications.

The technical specifications of the EVM-2WSX80B25 make it suitable for use with a range of circuits. It has a rated voltage of 25V and a rated power of 10mW. Its low Noise-Free Operating Temperature (NFOT) rating makes it suitable for precision control applications whereas its high Operating Temperature Range (OTR) makes it suitable for long life, high temperature applications. Its low profile design with an integrated plastic cover helps to reduce interference from other components in the system while keeping it safe from environmental elements.

The working principle of the EVM-2WSX80B25 is quite simple. It consists of a resistive element made of conductive material such as carbon, gold, or tantalum. This element is connected to two terminals, one of which is adjustable. By moving the adjustable terminal, the resistance level of the element can be changed, adjusting the overall resistance and performance of the circuit. The EVM-2WSX80B25 is designed to be adjusted by a manual or automated process, depending on the particular application.

In summary, the EVM-2WSX80B25 Trimmer Potentiometer from Ever Changing Magnetics Co., Ltd. is a versatile device ideal for countless applications requiring precise resistance adjustments. With its proven performance, quality and affordability, the EVM-2WSX80B25 is an excellent choice for any application in need of reliable, adjustable resistance control.

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