H484R5BCA

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Through Hole Resistors

Through Hole (TH) resistors, designed to be through-hole mounted to a printed circuit board (PCB) or ceramic substrate, are the most commonly used resistors for industrial and consumer applications alike. Resistor types available in this format are usually axial-leaded (leads coming out of both ends of the component), and radial-leaded (one lead in the center and two leads in opposite directions). These components are built for high stability and tolerance, and offer a wide range of applications including current sensing, voltage divider circuits, and as protection elements for volatile electronics. Of particular note is the H484R5BCA, a high capacity, miniature axial resistor used for temperature and humidity sensing.

H484R5BCA Application Field

The H484R5BCA is a miniature axial resistor from the RBA series, rated for use in temperature and humidity sensing in industrial and consumer applications. The device is a highly accurate, dependable and durable component, and offers excellent noise and interference suppression, a long service life, plus excellent temperature coefficient performance. Available in four different resistance values, from 2.2kΩ to 10kΩ, the device features an operating temperature range of -30°C to +100°C and a voltage rating of 150V.

H484R5BCA Working Principle

The H484R5BCA working principle is simple and straightforward. The device consists of a ceramic body with a metal coating that is etched with four small, parallel tracks. When exposed to a temperature change, the metal coating expands and contracts in response. This in turn changes the resistance of the circuit and generates a voltage signal that can be used to measure and transmit the temperature or humidity value.

In terms of accuracy, it is one of the most dependable sensors in the market. The resistance level can be fixed to reduce errors when measuring temperatures in extreme ranges, and is highly resistant to fringing effects caused by adjacent metal traces or other resistors in the circuit. Additionally, the device is designed to feature a low thermal drift indicator for high accuracy readings during repeated thermal cycles.

Conclusion

The H484R5BCA is a miniature axial resistor suitable for temperature and humidity sensing applications as a high accuracy, dependable and durable component. The device features an operating temperature range of -30°C to +100°C and a voltage rating of 150V, and is highly resistant to fringing effects, making it an ideal solution for industrial and consumer applications alike.

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