RF064PJ222CS

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Resistor Networks, Arrays

RF064PJ222CS are a type of resistor network or array. They help to provide a relatively low noise, accurate divided resistance or current path. These networks are made up of polymeric positive temperature coefficient (PPTC) components as resistors with a tolerance of ±10%, which ensure a low total harmonic distortion (THD) and excellent reliability over the wide ranges of output current and power that can be obtained.

Working Principle

The RF064PJ222CS network is a combination of resistors that are connected in series and/or parallel. Each resistor has a terminal connected to a polyester sub-dielectric layer. This sub-dielectric layer is connected to a primary positive temperature coefficient (PPTC) element. The PPTC element is a resistor whose resistance increases with increasing temperature. When the temperature exceeds a threshold value, the resistance value quickly rises and the circuit is effectively short-circuited. This process is known as thermal protection.

When a voltage is applied across the network, current flows through the resistance values of the resistors in series and/or parallel, resulting in a current or voltage divided path. The PPTC element provides over temperature protection, allowing the device to automatically protect itself against excessive current flow or circuit overheating. The current limiting capability of the PPTC-based resistor networks makes them suitable for use in low-voltage systems where current or voltage limitations are critical to the performance or protection of the circuit.

Main Application Fields

The RF064PJ222CS arrays are widely used in computing equipment, consumer electronics, lighting, and industrial equipment applications. Their main application field is for the protection or division of current / voltage, or as a current limiting device. In computers, they can be used to provide over temperature protection and the limitation of current or voltage in case of short circuit or system overload. In consumer electronics, such as LED or CFL lighting, they can be used to provide maximum wattage protection, and can also be used as part of a dimming protocol. In industrial applications, they help to provide a stable, low-noise power supply or current path.

Conclusion

RF064PJ222CS are an example of a resistor network or array. Their working principle is based on polyester positive temperature coefficient (PPTC) components, which allow them to provide over temperature protection and the limitation of current or voltage in case of short circuit or system overload. They are widely used in computing equipment, consumer electronics, lighting, and industrial equipment applications. Their main application field is for the protection or division of current / voltage, or as a current limiting device.

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