H421RBYA

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Through hole resistors are an important element in electric circuits and are ubiquitous in modern electronic applications. The H421RBYA through hole resistor is an especially versatile and cost-effective resistor that is suitable for a wide range of applications. By understanding the features and working principles of this device, users are able to choose the right through hole resistor for their specific needs.

The H421RBYA resistor is a four-terminal, thru-hole device with a wide resistance range of 0.21 ohms to 11.5 megohms. It has a long-term stability and is designed to resist thermal and mechanical shocks. The resistor elements are electrically isolated from each other, so the device can tolerate high voltage transients or current overloads without causing damage to the circuit board. In addition, the H421RBYA is made from a titanium nickel alloy with a high-temperature dielectric to ensure robustness and reliable performance.

The distinguishing feature of the H421RBYA is its spring-loaded terminals, which provide flexibility and adjustability. This mechanism allows the user to achieve precision levels of resistance values, as well as providing simplified adjustment. The device is designed to withstand temperatures ranging from -55°C to 55°C and is rated for RMS current levels of up to 1.5A.

The working principle of the H421RBYA is based on the variable resistance mechanism, which adjusts the resistance value by controlling the spring-loaded terminals. Applying pressure to the terminals will change the resistance value, while releasing the pressure will decrease the resistance value. This gives the user individual control of the resistance levels, enabling the user to precisely tune the resistance levels to suit their application.

One of the main applications of the H421RBYA is in voltage division networks, where resistance values must be precisely adjusted to ensure accurate voltage regulation. The spring-loaded terminals give the user the ability to precisely adjust the resistance of each resistor to the desired level of resistance, thereby ensuring the accuracy of the voltage division network. In addition, the H421RBYA can also be used in current-sensing circuits and low-pass filters, providing accurate and reliable control.

Overall, the H421RBYA through hole resistor is an excellent choice for a wide range of applications. Its variable resistance mechanism allows users to adjust resistance levels precisely, while its robust construction and long-term stability makes it a reliable choice for high-precision electric circuits. With its cost-effective price point, the H421RBYA is an ideal solution for applications that require precision control of resistance levels.

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