HSA253R9J

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Chassis Mount Resistors

Chassis mount resistors are an integral component widely used to reduce, control and also measure the flow of current in electronic devices and circuits.

The HSA253R9J is one of the most popular chassis mount resistors currently used in a wide variety of applications. This resistor is enclosed in a hard plastic case, with its interior made up of a filament wrapped around a resistive material.

Application Field

The HSA253R9J is capable of handling high currents and Voltages without the risk of producing sparks or fire due to its inbuilt temperature control. Consequently, the resistor can be used in a wide range of applications such as domestic appliances, electronic control systems and industrial machines.

Some of the specific applications for the HSA253R9J include power regulators, base current limiters, heavy-duty balancing, line filters and noise suppressors. In each of these applications, the resistor is used in different ways to fulfil its varied functions.

Working Principle

The working principle of the HSA253R9J is based on the fact that the current through a resistor is always inversely proportional to the resistance of the resistor. Basically, this implies that the current through the resistor can be controlled or limited by providing an alternative path through which the current can flow.

In the HSA253R9J, the filament made of resistive material is used to provide the alternative path. When a current is fed into the resistor, it passes through the resistive material and some of it branches off along the alternative path. As more current passes along the alternative path, the total current flowing through the resistor reduces progressively.

Dissipation of Heat

The alternative path provided by the resistive material allows the HSA253R9J to dissipate heat effectively. After a certain amount of current has passed through the resistor, the alternative path will have absorbed a significant amount of heat. This creates a negative temperature gradient on the inside of the resistor which helps to keep the resistor cool.

Due to this efficient heat dissipation system, the HSA253R9J can handle high currents and voltages without the risk of producing sparks or fire.

Common Characteristics

The HSA253R9J is the most commonly used chassis mount resistor. It has a power rating of up to 10W, a voltage rating of up to 750V, and a maximum resistance of 5000MΩ. The resistor also has a wide range of power handling capabilities and very low inductance.

Additionally, the HSA253R9J features an outstanding thermal shock resistance and corrosion-resistant terminals which make it highly durable and reliable in hostile environments.

Conclusion

The HSA253R9J is a versatile and reliable chassis mount resistor which is widely used in a range of applications. It is capable of handling high currents and voltages without the risk of producing sparks or fire, and also features an efficient heat dissipation system which helps to keep it cool.

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