AF122-FR-0710R2L

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Resistors are electronic components used to regulate the current flow in a circuit. They are generally made of metallic elements such as copper, nickel, or silver, and the resistance of the resistor is determined by its size and material. Resistor networks, or resistors arrays, are combinations of resistors used to achieve the desired resistance value and/or working characteristics. The AF122-FR-0710R2L is a two-terminal resistor network developed by Resistor Technology, Inc., designed to control and reduce high frequencies in sensitive analog circuits.

Application Field

The AF122-FR-0710R2L is intended for the low-noise evaluation, manufacturing, and repair of high-performance analog circuits. It is suitable for high-frequency filtering, signal conditioning, and impedance matching in a variety of applications, including: RF communications, medical equipment, and industrial instrumentation. The low-leakage characteristics of the network make it ideal for applications where low-noise levels are of critical importance, such as in the development of high-performance audio equipment.

Working Principle

The AF122-FR-0710R2L uses a combination of two metal oxide varistors (MOVs) to reduce high frequencies. The MOVs are connected in series with a set of two parallel resistors. When an alternating current flows through the circuit, the MOVs start to conduct current. As a result, the effective resistance of the network decreases, and the current is redirected away from the sensitive components. Thus, the resistance increases as the frequency increases, resulting in increased damping of the signal. Additionally, the parallel resistors provide a stable impedance over a wide range of frequencies, allowing for reliable control of the circuit’s output.

The AF122-FR-0710R2L also provides excellent protection against electrostatic discharge (ESD), due to its low leakage characteristics. The MOVs are designed to absorb high-voltage transients, and the parallel resistors provide the necessary ESD protection. The low leakage also ensures that the AF122-FR-0710R2L is capable of delivering reliable performance, even with long-term exposure to environmental shocks.

Conclusion

The AF122-FR-0710R2L two-terminal resistor network from Resistor Technology, Inc. is a versatile solution for reducing high-frequency signals in high-performance analog circuits. With its combination of MOVs and parallel resistors, it can reduce high frequencies while providing excellent protection against electrostatic discharge. Additionally, its low-leakage characteristics make it suitable for long-term use in a variety of applications.

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