TT Electronics/IRC

GUS-QS8A-03-6650-DB

GUS-QS8A-03-6650-DB Description

The GUS-QS8A-03-6650-DB from TT Electronics/IRC is a high-precision 8-resistor thin film network designed for demanding surface-mount applications. Encased in a compact 16-pin QSOP package with gull-wing terminations, this device offers a 665Ω resistance per element with an ultra-tight ±0.5% tolerance and a low ±25ppm/°C temperature coefficient. Rated for 0.75W (3/4W) total power and 0.1W per resistor, it operates reliably across a wide temperature range of -70°C to +125°C, making it suitable for harsh environments. Its isolated (ISOL) circuit design ensures independent resistor performance, while the 100V maximum voltage rating enhances versatility in high-voltage circuits.

GUS-QS8A-03-6650-DB Features

• Precision Thin Film Technology: Delivers stable performance with low noise and high accuracy.
• Compact QSOP Package: Measures just 4.9mm (L) × 6.02mm (D) × 1.47mm (H), ideal for space-constrained PCB designs.
• High Power Handling: 0.75W total dissipation (0.1W per resistor) outperforms standard networks in power density.
• Robust Construction: Withstands 125°C maximum operating temperature and derated power up to 125°C.
• Automated Assembly Friendly: 0.64mm terminal pitch and gull-wing leads enable efficient SMD placement.
• Non-Automotive/Non-PPAP: Optimized for industrial and commercial applications where PPAP compliance isn’t required.

GUS-QS8A-03-6650-DB Applications

This resistor network excels in precision analog and digital circuits, including:

• Signal Conditioning: Voltage dividers, gain setting in op-amp circuits.
• Medical Electronics: Patient monitoring systems requiring stable resistance under thermal stress.
• Test & Measurement Equipment: Calibration references and sensor interfaces.
• Power Management: Feedback networks in DC-DC converters.
• Industrial Controls: PLCs and motor drives where isolation between resistors is critical.

Conclusion of GUS-QS8A-03-6650-DB

The GUS-QS8A-03-6650-DB combines high precision, power efficiency, and compactness in a robust thin-film package. Its isolated design, wide temperature range, and 0.5% tolerance make it a superior choice over generic resistor arrays in applications demanding reliability and accuracy. While not RoHS-compliant, it remains a cost-effective solution for non-regulated industrial and commercial systems. Engineers will appreciate its balance of performance and footprint, particularly in analog signal chains and power-sensitive designs.