H845KBDA

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Through Hole Resistors: H845KBDA Application Field and Working Principle

Through hole resistors are used in various types of electrical and electronic applications. They are commonly used for resistance and current limiting, voltage dropping, voltage division, amplifier and filter applications. H845KBDA resistors, manufactured by TKL Electronics, leverage through holes to provide effective and reliable resistive elements for these and other electronic design applications. This article explains the application field of the H845KBDA resistor and its working principle.

H845KBDA Application Field

H845KBDA resistors come in a variety of packages such as DO-41, DO-15, DO-21, DO-25, DO-204AL, DO-203AA and DO-204AR. Their uncomplicated structure and versatility make them a popular choice for various electronic designs. H845KBDA resistors are commonly used in power supplies, automotive ECUs, robotics, audio amplifiers, aerospace and military applications, and in the radio-frequency (RF) industry. The H845KBDA resistors are also used in low-noise, high-voltage, and temperature-related designs.

Moreover, H845KBDA resistors are perfect for applications that must meet specific requirements, such as temperature stability and tolerance, voltage rating, and power ratings, due to their very low inductance, and excellent temperature characteristics. Additionally, H845KBDA resistors are available with high resistance values, up to 10MΩ, which makes them suitable for high-impedance signal conditioning.

H845KBDA Working Principle

H845KBDA resistors feature a through-hole structure. Inside the resistor is a carbon-powder-filled core. This core is surrounded by four metal terminals that connect the resistor to the circuit. The resistance value is determined by the amount of carbon powder inside the resistor, which is usually controlled via laser trimming.

When voltage is applied across the ends of the resistor, electric current flows through it, and the flow is resisted. This resistance generates heat as a byproduct, which, if allowed to accumulate, can damage the resistor. Thus, H845KBDA resistors are designed to dissipate the heat away from the resistor, through its mounting base and finned heat sinks. This ensures that the resistor stays within its safe operating temperature range, allowing it to function correctly and last for a long time.

Conclusion

H845KBDA resistors are widely used in a variety of applications due to their versatility and reliability. They are constructed in a through-hole format, which allows them to dissipate heat away from the element. The resistance of H845KBDA resistors is controlled by the amount of carbon powder inside, and is usually adjusted via laser trimming. H845KBDA resistors are popular for their high resistance values, excellent temperature characteristics, very low inductance, and the ability to meet specific requirements.

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