TT Electronics/IRC

GUS-QS8A-02-54R9-JF

GUS-QS8A-02-54R9-JF Description

The GUS-QS8A-02-54R9-JF from TT Electronics/IRC is a high-performance 8-resistor isolated network designed for precision surface-mount applications. This thin-film resistor array features a 54.9Ω resistance value per resistor with a 5% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range of 70°C to 125°C. Housed 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 soldering, while its 100V maximum voltage rating enhances durability in demanding circuits.

GUS-QS8A-02-54R9-JF Features

• Isolated Circuit Design (ISOL): Each resistor operates independently, ideal for applications requiring electrical isolation.
• Thin-Film Technology: Delivers superior accuracy, low noise, and stability compared to thick-film alternatives.
• Compact QSOP Package: Measures just 4.9mm (L) × 6.02mm (D) × 1.47mm (H), optimizing space in high-density layouts.
• Wide Operating Range: Rated for -55°C to +125°C, with derated power up to 125°C.
• Robust Construction: 100V voltage rating and gull-wing leads ensure mechanical and electrical reliability.
• Non-Automotive Grade: Suitable for industrial, telecom, and instrumentation applications where PPAP compliance is not required.

GUS-QS8A-02-54R9-JF Applications

This resistor network excels in:

• Precision Analog Circuits: Voltage dividers, feedback networks, and sensor interfaces benefiting from low TCR and tight tolerance.
• Signal Conditioning: Isolation and impedance matching in data acquisition systems.
• Medical Electronics: Patient monitoring equipment where consistent performance is critical.
• Telecom Infrastructure: RF modules and baseband processing requiring stable resistance under thermal stress.
• Test & Measurement: Calibration circuits and reference networks demanding long-term stability.

Conclusion of GUS-QS8A-02-54R9-JF

The GUS-QS8A-02-54R9-JF combines thin-film precision, compact packaging, and isolated design to address challenges in modern electronics. Its 54.9Ω resistance, ±50ppm/°C TCR, and 0.75W power handling make it a versatile choice for engineers prioritizing reliability in constrained spaces. While not RoHS-compliant, its performance in industrial and telecom applications underscores its value in non-consumer sectors. For designs requiring stable, high-density resistor networks, this model offers a compelling balance of size, accuracy, and durability.