ALSR03220R0FE12

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Through hole resistors are components that offer a meaningful resistance to the flow of electricity in a circuit. When the current flowing through the component is larger than its rated power, the component’s output reduces and the resistivity increases. This type of component is essential for many types of electronics, as they are designed to help prevent over-currents, reduce heat generated, and create a more consistent performance.

ALSR03220R0FE12 series is one type of through hole resistors manufactured by Delta Electronics, which has been exhibiting its excellence in resistor manufacturing since 2011. It features a leadless metal film type with various power rating options, and meets the UL 94V-0 flammability standard.

The ALSR03220R0FE12 offers a variety of power rating options ranging from 0.125W to 3.0W. With its impressive power rating range, ALSR03220R0FE12 components are easily adaptable to a wide range of applications. In addition, the component has a low noise level, with values hovering around 0.09μV (ventilation resistance can be as high as 95dB). This makes it ideal for applications such as medical equipment, consumer electronics, and automotive systems.

The working principle of the ALSR03220R0FE12 is based on the change of resistivity when exposed to an electric current. This is because when the current is larger than its rated power, the internal structure of the component will expand and contract due to Joule heating, resulting in a higher resistivity. The neat thing about this particular component is that it also features a structure that decreases with increasing temperature, minimizing resistivity hysteresis.

In terms of applications, ALSR03220R0FE12 components are commonly used in various electrical systems including power supplies, broadcast receivers, and audio circuits. The component is often used for short-circuit protection, decoupling and noise filter, and noise-proof AC power supply designs. Moreover, these components also provides thermal stability and low noise performance, making them suitable for a variety of high-precision systems.

All in all, the ALSR03220R0FE12 through hole resistors possess excellent electrical characteristics that make it ideal for a variety of applications. The component has a low noise level and its structure reduces with increasing temperature, ensuring stable performance over time. Furthermore, due to its impressive power rating range, the component can be used in a wide range of electrical systems. 

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