L225J7K5E

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Chassis mount resistors, such as the L225J7K5E, are a type of metal oxide film resistor mounted inside an insulated and reinforced housing. This type of resistor is often used in tight spaces, as the assembly fits inside a very small enclosure. The body of the resistor further helps to reduce electromagnetic interference and temperature fluctuations, making it a great choice for applications requiring a high level of reliability.

The particular resistor model, L225J7K5E, is a five-watt resistor with a rated 25 Ohm value and a tolerance rating of 5%. This resistor offers excellent dynamic stability and a temperature coefficient of only 0.05%. As with most resistors of this type, the L225J7K5E also offers good electrical and mechanical properties as well.

The L225J7K5E chassis mount resistor is typically used in power, signal, and protection circuits, and is rated to 125°C with a maximum power dissipation of 3 Watts. It is well suited for use in television sets, communications equipment, and audio systems. Other special applications include over-current, overload, short-circuit, and transformer protection.

The working principle of the L225J7K5E resistor is similar to that of a standard metal film resistor. It consists of an insulating substrate with a resistor and a protective coating. This coating is typically composed of one or more metal oxides which are applied to the circuit substrate. As an electric current flows through the resistor, the heat generated is dissipated through the oxide layer.

This type of resistor also provides excellent self-heating and thermal runaway protection. The combination of the casing and the oxide layer keeps the temperature of the operating resistor constant, ensuring better temperature stability. Additionally, the chassis mount resistor has an extended life in comparison to regular resistors since it does not suffer from degradation due to thermal stress.

The L225J7K5E chassis mount resistor is a reliable and durable component, making it an ideal choice for numerous applications. It can be used in a variety of industries such as telecommunications, automotive, commercial, aerospace, and industrial. The small form factor, high temperature rating, and excellent thermal stability of this resistor make it well suited for use in harsh environments.

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