4820P-T01-472LF

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Resistor networks and arrays are components which are used to modify the flow and distribution of current as well as other properties of a circuit. These can be passive devices, such as fixed, variable, or adjustable resistors, as well as active semiconductor based components. In this article we will be focusing on one particular component – the 4820P-T01-472LF – and explore its application fields as well as working principle.

The 4820P-T01-472LF is a thick-film network resistor suited for surface mount applications. It is comprised of 12 1/8 Watt 1206 sized resistors packed onto a single body. The resistance of each resistor can be individually preset and adjusted via the use of a laser trim process. This layer of resistors can be seen as an array of several integrated resistors on one substrate, with two connections – pins or through-hole – allowing for the application of the array for a connecting electrical part.

The most common application of this array is impedance matching. This means that it adjusts the electrical impedance of a circuit to match that of the driven device. Impedance matching can be done to eliminate the magnitude of reflections that leak from the driver point, or to prevent the current from getting excessive at the drain end and thus prevent power loss. In addition, the array also controls the current flow in the circuit and can help improve noise control and reduce high frequency interference.

The 4820P-T01-472LF works by controlling the amount of current that flows through the device by utilizing Ohm\'s Law V = I x R (where V is the voltage, I is the current, and R is the resistance). Through this law, the resistor array is able to modify the resistance in the circuit, resulting in current flow that is proportional to the degree of resistance. By adjusting the amount of resistance in the circuit, the amount of current that passes through can also be adjusted.

The design of the 4820P-T01-472LF is extremely versatile and is tailored to be used with semiconductor components. As such, it is capable of handling high voltage and high current applications, making it suitable for high frequency circuit applications such as outdoor antenna systems, low-noise amplifiers, radio frequency (RF) amplifiers, and linear amplifiers.

The 4820P-T01-472LF is a highly reliable and durable resistor array that is capable of operating in harsh environments, including extreme temperatures, humidity, and shock. Its small size also makes it ideal for use in portable devices, where space is limited.

In conclusion, the 4820P-T01-472LF is a resistor array tailored to match the impedance of a driven device. It works by manipulating the resistance in the circuit and can be used in high voltage and high current applications, such as antenna systems, amplifiers, and linear amplifiers. Its small size and ability to withstand harsh environments make it a great choice for portable electronics.

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