PSM500JB-120R

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Through Hole Resistors play an important role in modern electronic circuits, providing a basic pathway for electricity to flow from one component to another. One such resistor, the PSM500JB-120R, has become incredibly popular in recent years due to its relative simplicity and its high performance. This article will discuss the application field and working principle of the PSM500JB-120R.

The PSM500JB-120R through hole resistor is a non-inductive, high power resistor with a wide operating temperature range (-55°C to +155°C). It has a higher power and voltage rating than most other resistors and is able to withstand up to 20A (100W) of continuous current. The small size of the PSM500JB-120R makes it ideal for use in applications where board space is limited, such as in motor control and DC-DC converter designs.

Because of its broad temperature range and high power rating, the PSM500JB-120R is commonly used in numerous industries and applications, including automotive, telecom, industrial automation, military, aerospace, and medical equipment. It is also often used in RF, power, and control circuits, as well as for power extensions, lighting control, and power monitoring.

The PSM500JB-120R is based on a thick film resistor element with a conformal coating for environmental protection. Its construction uses a manganese dioxide ceramic substrate combined with a nickel-chromium alloy that is resistively deposited. The overall shape and dimensions of the resistor are designed to ensure maximum surface contact for a given space, as well as maximum strength and robustness.

The working principle of the PSM500JB-120R is simple. When electricity is passed through the resistor, the electrons interact with atoms in the manganese dioxide ceramic substrate, resulting in a surge of heat and an increase in the resistor’s temperature. This heat dissipates into the environment, thus reducing the amount of electricity that passes through the resistor. In this way, the PSM500JB-120R is able to reduce the overall current and voltage flow between two points, thus providing a pathway for electricity to flow without damaging other components.

The PSM500JB-120R is a highly versatile and popular through hole resistor. With its wide operating temperature range and its high power and voltage rating, it is an ideal solution for applications where reliability and power management are essential. Its straightforward, robust construction also ensures that it is reliable and easy to work with, making it a popular choice for engineers and hobbyists alike.

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