TT Electronics/IRC

GUS-QS8A-03-4021-CB

GUS-QS8A-03-4021-CB Description

The GUS-QS8A-03-4021-CB 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 4.02KΩ resistance value per resistor with an exceptional ±0.25% tolerance and a low ±25ppm/°C temperature coefficient, ensuring minimal drift across operating conditions. Housed in a compact 16-pin QSOP package with gull-wing SMD termination, it offers a 0.75W (3/4W) total power rating and 0.1W per resistor, making it suitable for high-density PCB designs. The device operates over a wide temperature range (-70°C to +125°C) and supports 100V maximum voltage, ideal for precision analog and digital circuits.

GUS-QS8A-03-4021-CB Features

• High Precision: ±0.25% tolerance and ±25ppm/°C TCR for stable performance.
• Robust Construction: Thin-film technology ensures long-term reliability and low noise.
• Compact Design: 4.9mm (L) × 6.02mm (D) × 1.47mm (H) QSOP package with 0.64mm pitch for space-constrained layouts.
• Isolated Configuration: Eight independent resistors (ISOL designator) for flexible circuit design.
• Wide Operating Range: Derated power up to 125°C, suitable for industrial environments.
• Surface-Mount Ready: Gull-wing terminals for automated assembly compatibility.

GUS-QS8A-03-4021-CB Applications

This resistor network excels in precision instrumentation, medical devices, and industrial control systems where accuracy and thermal stability are critical. Its isolated design is ideal for:

• Voltage dividers and feedback networks in analog signal conditioning.
• ADC/DAC reference circuits requiring low drift.
• Sensor calibration and amplification in automotive (non-AECQ) or test equipment.
• Power supply balancing in multi-channel systems.

Conclusion of GUS-QS8A-03-4021-CB

The GUS-QS8A-03-4021-CB stands out for its combination of precision, power handling, and compactness, addressing challenges in modern electronics. While not automotive-grade or RoHS-compliant, its thin-film isolation and tight specifications make it a preferred choice for engineers prioritizing performance in measurement, control, and communication systems. Packaged in tubes for automated handling, it streamlines high-volume production without compromising accuracy.