TT Electronics/IRC

GUS-QS8B-03-6490-J

GUS-QS8B-03-6490-J Description

The GUS-QS8B-03-6490-J from TT Electronics/IRC is a high-performance thin-film resistor network designed for precision applications in surface-mount PCB assemblies. This 16-pin QSOP package integrates 15 resistors, each with a 649Ω resistance value and a tight ±5% tolerance, ensuring consistent performance in demanding circuits. With a ±25ppm/°C temperature coefficient, it delivers excellent stability across a wide operating temperature range of 70°C to 125°C. The network supports a total power rating of 0.75W (3/4W) and 0.05W (1/20W) per resistor, making it suitable for distributed power dissipation. Its gull-wing termination and 0.64mm terminal pitch facilitate reliable soldering in automated SMT processes.

GUS-QS8B-03-6490-J Features

• High-Density Integration: 15 resistors in a compact 4.9mm × 6.02mm × 1.47mm QSOP package, ideal for space-constrained designs.
• Precision Thin-Film Technology: Delivers low noise, high accuracy (±5%), and stable performance (±25ppm/°C).
• Robust Power Handling: 0.75W total power rating with derated operation up to 125°C.
• Automation-Friendly: Gull-wing leads and 0.64mm pitch ensure compatibility with high-speed pick-and-place systems.
• Wide Voltage Range: Supports up to 100V maximum voltage, suitable for industrial and instrumentation applications.
• Non-Automotive/Non-PPAP: Compliant with general-purpose electronics but not automotive-grade standards.

GUS-QS8B-03-6490-J Applications

This resistor network excels in:

• Signal Conditioning Circuits: Precision voltage dividers, feedback networks, and impedance matching in op-amp configurations.
• Industrial Control Systems: PLCs, sensor interfaces, and analog signal processing where temperature stability is critical.
• Test & Measurement Equipment: Calibration circuits and reference networks requiring low drift over temperature.
• Medical Electronics: Patient monitoring devices and diagnostic tools demanding high reliability.
• Telecommunications: Filter networks and line termination in RF/mixed-signal PCBs.

Conclusion of GUS-QS8B-03-6490-J

The GUS-QS8B-03-6490-J combines thin-film precision, compact form factor, and high power density, making it a versatile choice for engineers prioritizing stability and space efficiency. While not suited for automotive applications, its wide temperature range, low TCR, and ease of assembly make it ideal for industrial, medical, and telecom systems. Its 649Ω value and 5% tolerance strike a balance between cost and performance, offering a reliable solution for mid-precision analog designs.