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Resistor Networks, Arrays

RF064PJ620CS Application Field and Working Principle

RF064PJ620CS is a part of Fairchild Semiconductor\'s resistor network, array family that provides a simple, cost-effective solution for a wide range of diverse applications. It features a single 4-resistor array package in an SC-74A footprint.

The RF064PJ620CS is a precision resistor network with higher resistance tolerances that is optimized to support low-noise input stage circuits, sample-and-hold amplifiers, and output amplifier designs. With its small size and low power dissipation, this array is ideal for high performance, miniaturized designs.

This product features an integrated temperature coefficient of resistance (TCR) of ±100ppm/°C. Moreover, its resistance tolerance is ±0.1% which provides superior accuracy and repeatability. It is designed to perform reliably in a temperature range between –40°C to +125°C.

The RF064PJ620CS is designed to be used as an adjustable current source. It works by depending on the series and parallel combination of the resistors to adapt the resistance value according to the applied current. Thus it sets specific current through a circuit and helps in controlling and regulating the flow of the current. The resistors are wired in a series-parallel network with the center resistor as the series leg and the side resistors as the parallel legs.

This resistor network, array is widely used in precision medical equipment, sensing, measurement, instrumentation, automotive electronics, low noise audio, and motion control systems. It has also found applications in a wide variety of industrial control systems and computer peripherals. This low cost, small size and high accuracy resistor net has made it the choice for applications where reliable high accuracy is required.

The RF064PJ620CS also features a design that ensures safe operation. Its thermal factor used for resistor element design helps balance the power dissipation to ensure safe operation for end user. Its moisture resistance ensures that the unit can be used in highly humid environments with no risk of corrosion.

Overall, with its low cost, simple construction, low power dissipation, and high accuracy, the RF064PJ620CS has become a popular choice for designers and engineers looking for a cost-effective way to add reliable resistance and current control to their devices.

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