TT Electronics/IRC

GUS-QS8A-03-4121-BA

GUS-QS8A-03-4121-BA Description

The GUS-QS8A-03-4121-BA from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding applications requiring tight tolerances and stable performance. This 8-resistor isolated network features a 4.12KΩ resistance value per resistor with an exceptional 0.1% tolerance and a low ±25ppm/°C temperature coefficient, ensuring minimal drift across operating conditions. Housed in a 16-pin QSOP package with gull-wing SMD termination, it offers a compact footprint (4.9mm × 6.02mm × 1.47mm) while delivering 0.75W (3/4W) total power dissipation (0.1W per resistor). Rated for 100V maximum voltage and 125°C maximum operating temperature, it is ideal for precision analog and digital circuits.

GUS-QS8A-03-4121-BA Features

• High Precision: 0.1% tolerance and ±25ppm/°C TCR for stable performance in critical applications.
• Robust Construction: Thin-film technology ensures low noise, high reliability, and long-term stability.
• Compact QSOP Package: Space-saving 16-pin design with 0.64mm terminal pitch, suitable for high-density PCB layouts.
• Isolated Resistors: Independent resistors (ISOL configuration) enable flexible circuit design without shared terminals.
• Wide Temperature Range: Operates from 70°C to 125°C with derated power, suitable for industrial environments.
• Surface-Mount Gull Wing Terminals: Facilitates automated assembly and secure PCB mounting.

GUS-QS8A-03-4121-BA Applications

This resistor network excels in precision applications such as:

• Medical Equipment: Patient monitoring systems, diagnostic devices requiring low drift.
• Test & Measurement: Calibration instruments, data acquisition systems.
• Industrial Automation: Process control modules, sensor signal conditioning.
• Telecommunications: High-frequency signal processing, RF amplification circuits.
• Automotive (Non-Automotive Rated): Prototyping or non-safety-critical automotive electronics.

Conclusion of GUS-QS8A-03-4121-BA

The GUS-QS8A-03-4121-BA stands out for its precision, compactness, and isolation flexibility, making it a superior choice for engineers designing high-accuracy circuits. Its thin-film technology, tight tolerances, and robust thermal performance cater to industries where reliability is paramount. While not PPAP or automotive-qualified, it remains a cost-effective solution for industrial, medical, and telecom applications demanding uncompromising performance.