25J20R

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Through-hole resistors are devices used in electrical and electronic circuits to control the flow of electricity. They are usually composed of two-piece elements, a fixed-value resistor and a terminal, which is connected to the resistor and is used to make connections to other components in the circuit. The most commonly used type of resistor is the 25J20R, which is a through-hole resistor that is available in various power ratings and resistance values. This article will discuss the application field and working principle of the 25J20R resistor.

The 25J20R resistor is typically used in power sources, inverters, high-voltage power supplies, and audio amplifiers. It is also commonly used in military and industrial applications for circuit protection. The resistor is available in various power ratings and resistance values, ranging from 12 to 50 ohms at full load. The 25J20R has a longitudinal lead, which is designed to accept multiple contact points for ease of installation. It is also designed with a thermal compensation feature, which allows it to maintain stability over temperature fluctuations.

The 25J20R resistor is a two-terminal device, with one end connected to the power source and the other to the load. When a voltage is applied to the terminals, a current will flow through the resistor. This current then results in a voltage drop across the resistor, which is determined by the resistance value of the resistor. The voltage drop is proportional to the power supply voltage. The power dissipated in the resistor is determined by the power rating of the resistor, which is typically specified in watts.

The 25J20R resistor also incorporates a temperature coefficient, which is the measure of the resistor\'s resistance value change with temperature. This value is specified in parts per million (ppm) per degree Celsius. When the temperature changes, the resistance value of the resistor also changes. This can be used to regulate the current flowing through the resistor, which further stabilizes the power supply.

In addition to its use as a resistance element, the 25J20R resistor can also serve as a noise suppression device. This is because its resistance value is relatively low compared to other resistors. The low resistance value of the resistor allows for effective dampening of noise signals that may be present in the circuit. This feature makes the 25J20R resistor suitable for applications where noise suppression is essential, such as in audio amplifiers.

The 25J20R resistor is a reliable and robust device for use in various power circuits. Its two-piece construction allows for ease of installation and replacement, making it a popular choice among engineers. The resistor also offers a high degree of power dissipation and temperature compensation, which makes it suitable for use in even the most demanding circuit applications.

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