SM1X30K00AA

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Resistor networks and arrays play an important part in today’s circuitry and are used for a variety of purposes, ranging from switching and managing signals and voltages to creating specific resistance parameters or providing electronic components with reliable signal paths. SM1X30K00AA is an example of a resistor network, and its application field and working principle are discussed in this article.

Application Field

SM1X30K00AA is typically used in emergency shutdowns, automatic control, robotics, and telemetry systems. It can also be employed in many industrial devices that need to be accurately managed for safe and effective operation. This type of resistor network works with high accuracy, providing up to 0.2% tolerance of the nominal value over the entire temperature range. In addition, it provides excellent temperature coefficient, reaching 0.05%/°C.

This network is highly effective for its size, featuring 100Ω+4-50pF in 1.3mm. Its maximum voltage and power ratings are 15 volts and 0.75 watts, respectively. This type of network is especially useful in AC and DC applications, as its small size helps to minimize the size of the PCB board.

Working Principle

SM1X30K00AA uses the four-terminal network principle. This type of resistor network consists of 2 resistors in series connected in two terminals each. The 4 resistors are connected in such a way that two of them form the positive side of the network and the other two form the negative side.

The 4 resistors have different values. The first resistor, connected to the input and output terminals, has a value of 100Ω. The second resistor is connected to the two input terminals and has a resistance value of 30kΩ. The third resistor is connected to the two output terminals and has a 0.7Ω value. Finally, the fourth resistor is connected to the two input terminals and has a 4-50pF capacitance value.

The purpose of this network is to send and receive signals. When a signal is sent to the input terminal, it passes through the first 100Ω resistor, then through the second 30kΩ resistor, and then through the fourth 4-50pF resistor. The final stage is the output terminal where the signal is received. The 0.7Ω resistor acts as a voltage divider, protecting the rest of the circuit from excessive voltages.

This type of resistor network is also helpful in providing protection for other electronic components. By using the voltage divider, unnecessary voltages are intercepted before they can reach these components. This reduces the risk of damage to these other components.

Overall, SM1X30K00AA is a reliable and versatile resistor network that can be used in a variety of situations. It is extremely accurate and has a wide temperature coefficient making it appropriate for many applications. In addition, it offers reliable protection to other components from high voltages, making it suitable for a range of circuits.

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