TT Electronics/IRC

GUS-QS8A-03-90R9-JD

GUS-QS8A-03-90R9-JD Description

The GUS-QS8A-03-90R9-JD from TT Electronics/IRC is a high-performance thin-film resistor network designed for precision applications. This 8-resistor isolated network features a 90.9Ω resistance value per resistor with a 5% tolerance and a ±25ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range of 70°C to 125°C. Encased in a compact 16-pin QSOP package, it offers a 0.75W (3/4W) total power rating and 0.1W per resistor, making it suitable for high-density PCB designs. The gull-wing termination and 0.64mm terminal pitch facilitate reliable surface-mount assembly, while its 100V maximum voltage rating enhances durability in demanding circuits.

GUS-QS8A-03-90R9-JD Features

• Thin-film technology: Delivers superior accuracy and low noise compared to thick-film alternatives.
• Isolated circuit design (ISOL): Ensures independent resistor performance, ideal for signal isolation.
• Compact dimensions (4.9mm x 6.02mm x 1.47mm): Fits space-constrained applications without sacrificing power handling.
• Wide operating temperature (-55°C to +125°C): Reliable in harsh environments, including industrial and automotive (non-PPAP) systems.
• High power density: 0.75W total dissipation in a miniature QSOP package outperforms similar networks in thermal management.

GUS-QS8A-03-90R9-JD Applications

This resistor network excels in:

• Precision analog circuits: Voltage dividers, feedback networks, and sensor interfaces requiring tight tolerance.
• Communication systems: Signal conditioning in RF modules and data converters.
• Industrial controls: PLCs and motor drives where isolation and temperature stability are critical.
• Medical electronics: Portable devices demanding miniaturization and reliability.
• Test & measurement equipment: Calibration circuits due to low TCR and consistent performance.

Conclusion of GUS-QS8A-03-90R9-JD

The GUS-QS8A-03-90R9-JD combines high precision, robust power handling, and compact form factor, making it a standout choice for engineers prioritizing performance in constrained spaces. Its thin-film construction and isolated design cater to applications demanding minimal drift and high reliability. While not automotive-grade (PPAP) or RoHS-compliant, its technical merits position it as a superior solution for industrial, medical, and communication hardware.