H88K25BYA

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Through Hole Resistors are a type of resistor which have two leads connected to two separate terminals, as opposed to their surface mount counterparts. Such resistors are typically used for high voltage applications, where the ability to dissipate excess heat from the component is important. A particular type of through hole resistor is the H88K25BYA, which offers superior heat dissipation in a variety of applications. In this article, we will explore the application field and working principle of the H88K25BYA.

The H88K25BYA through hole resistor is designed with a higher power rating than other types of resistors in its category, making it suitable for use in high voltage applications. It features a power rating of 25 Watt in an 1808 footprint with a third lead option for enhanced heat dissipation. This type of resistor is commonly used in motor drive circuits, solar inverters, automotive applications, and high-speed systems. With a high power rating and wide operating temperature range of -55°C to +200°C, the H88K25BYA can reliably handle high current requirements.

Due to its robust construction and reliable performance, the H88K25BYA has become a popular choice for avionics and other space-critical applications. The component is highly resistant to shock and vibration and typically features tight tolerance, superior temperature stability, and long life expectancy. As far as mounting is concerned, the H88K25BYA can be installed in through-hole designs, sonically welded, or soldered onto the PCB.

The primary function of the H88K25BYA is to resist the flow of current. The amount of resistance is determined by the amount of material used in the component, also referred to as its "resistance value". The higher the material weight, the higher the resistance value. The tolerance of a resistor is another important factor, as it determines how much variation from the expected value is allowed before the component is considered defective. The H88K25BYA offers a tolerance of ±2%, which is a result of its robust metal ceramic construction.

The H88K25BYA operates on the principle of Joule heating. In this process, electrical current flowing through the resistor is converted into heat. The amount of heat released depends on the resistance value of the component, as well as the amount of current flowing through it. As more current flows through the resistor, the hotter it gets, and hence the greater the amount of heat dissipated.

Apart from providing reliable and precise resistance values, the H88K25BYA through hole resistor also offers overload protection. This is achieved by using a special ceramic construction which helps to prevent the component from overheating and breaking down. As the current increases, the ceramic material expands, reducing the available cross sectional area for current flow and thereby protecting the component from thermal overload.

The H88K25BYA through hole resistor is a popular choice for its superior heat dissipation capabilities and its ability to handle high voltage applications. It exhibits a power rating of 25 Watt in an 1808 footprint and offers tight tolerances as well as overload protection. Its robust construction and reliable performance make it an ideal choice for space-critical applications such as avionics. The component operates on the principle of Joule heating, where electrical current is converted into heat.

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