Y1747V0442QT3U

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Resistor Networks, Arrays are fundamental elements of electrical circuits with varied applications. Y1747V0442QT3U, a resistor network, is such an array made for high-density circuits that fits with a tight pitch. It is designed to reduce interferences from external noise, increase operating accuracy and maintain a stable bias current. It is also well-suited for a wide range of analog circuits as it offers superior electrical performance.

Application Field

Y1747V0442QT3U is a resistor network with a small, compact structure of four resistors, commonly employed in linear ICs, which are integrated circuits combining either a single amplifier or multiple amplifiers and analogue-based functions. This network is appropriate for digital audio processors, as it provides an excellent precision and stability due to its controlled-tolerance-matching. It is typically used for sample rate conversion, signal modulation and frequency detection.

Y1747V0442QT3U resistor network can also be implement in RF systems, either for signal conditioning in UHF and microwave circuits or for impedance transformation in systems such as antennas, amplifiers and filters. For this application, it is needed to select a network with a high Q factor to reduce loss, high isolation between elements and low thermal noise. Thanks to its high-density package, Y1747V0442QT3U is particularly suitable for these sort of applications.

Moreover, Y1747V0442QT3U array can be used as precision resistive divider in precision measurement systems. Its design ensures a low temperature coefficient and a high tolerance of resistors, necessary characteristics to measure accurately microsignals. Finally, it can be utilized as a temperature sensor, because its resistive values may depend on the ambient temperature.

Working Principle

Y1747V0442QT3U is a surface mount device composed of fourresistors forming an array connected in two serial-parallel combinations.

The value of each resistor is determined by connecting two resistors in parallel, thus increasing the overall current carrying capacity. In the case of Y1747V0442QT3U, its resistance is 0.47Ω. The resistor body is designed to efficiently dissipate heat, preventing locally overheating and giving more stability to the network. It also offers low parasitic leakage and allows increased current.

The array has a low-level noise and a low thermal noise floor. Therefore, when connecting its leads to the system ground, it reduces the noise from external sources and provides superior performance stability.

Additionally, Y1747V0442QT3U is built with an innovative self-calibration technology, which guarantees high accuracy under typical operating conditions. This provides an improved reliability in applications that require tight tolerance matching, as well as reducing the overhead of tests and calibrations.

Conclusion

Y1747V0442QT3U is a versatile resistor network, an array of four resistors of 0.47Ω, designed to reduce interference, improve accuracy and stability. It can be used in several applications such as digital audio processors, RF systems, precision measurement systems and temperature sensors. Its main features are its small size, efficient heat dissipation, low thermal noise, precision and

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