RJ5EW104

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Trimmer Potentiometers

The RJ5EW104 is a precision trimmer potentiometer, sometimes known as the trimpot, produced by the company Japan Radio Co. Ltd. Trimpots are a type of resistive potentiometer that are used to adjust the relative electrical resistance of a circuit without interrupting the main current path and are widely used in a range of industrial and engineering applications.

Application Field

The RJ5EW104 is mainly used as an adjustable voltage/current divider in a variety of electronic circuits and systems. It finds use in many electronic input devices including temperature sensors and light meters, and is suitable for use in communication systems. It is also used for voltage, current and resistance stabilization and calibration, making it an essential component for many industrial technologies and devices. It can regulate LED voltage and current, fine-tune mechanical lubrication and adjust microscope focus.

Working Principle

The RJ5EW104 is a trimmer potentiometer made of three essential components: a resistor, a wiper and a spindle. The resistor is a resistive element, usually made of a material such as carbon, with terminals at both ends and a sliding wiper arm in the middle. When the wiper moves along the element, a variable resistance is generated, allowing current to move freely in one direction. The spindle is an extension from the wiper that is rotated to adjust the resistance value. The wiper is driven by a tiny motor or a manually controlled wheel, and the resistance value is set by turning the spindle.

The RJ5EW104 is capable of providing very precise resistance values which are adjustable from around 0.1 Ohms to 10 Ohms. This ability to generate a precisely adjustable resistance, as well as its small size, make it an ideal component for many industrial and electrical applications. Additionally, the RJ5EW104 has a

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