TT Electronics/IRC

GUS-QS0B-03-9090-C

GUS-QS0B-03-9090-C Description

The GUS-QS0B-03-9090-C from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 20-pin QSOP package integrates 19 resistors, each with a 909 Ω resistance value and an ultra-tight ±0.25% tolerance, ensuring exceptional accuracy in signal conditioning and voltage division circuits. With a ±25 ppm/°C temperature coefficient, it delivers stable performance across a wide operating range of -70°C to +125°C, making it suitable for environments with thermal fluctuations. The 1W total power rating (0.05W per resistor) and 100V maximum voltage rating further enhance its reliability in precision analog and digital systems.

GUS-QS0B-03-9090-C Features

• High Precision: ±0.25% tolerance and ±25 ppm/°C TCR for consistent performance.
• Robust Construction: Thin-film technology ensures low noise and long-term stability.
• Compact Design: 8.66mm (L) × 6.02mm (D) × 1.47mm (H) QSOP package with 0.64mm terminal pitch, ideal for space-constrained PCBs.
• Automotive-Grade Alternatives: While this model is not PPAP or automotive-qualified, its 125°C maximum operating temperature suits industrial and telecom applications.
• Gull Wing Termination: Facilitates reliable surface mounting and automated assembly processes.
• Non-RoHS Compliant: Note for applications requiring RoHS exemption.

GUS-QS0B-03-9090-C Applications

This resistor network excels in:

• Precision Analog Circuits: Voltage dividers, feedback networks, and sensor interfaces.
• Medical Equipment: High-accuracy signal processing in diagnostic devices.
• Industrial Control Systems: Stable performance in PLCs and motor drives.
• Telecommunications: Signal conditioning in RF and baseband modules.
• Test & Measurement: Calibration circuits requiring minimal drift.

Conclusion of GUS-QS0B-03-9090-C

The GUS-QS0B-03-9090-C combines high density, precision, and thermal stability in a compact QSOP package, addressing the needs of advanced electronics where space and accuracy are critical. Its thin-film technology and tight tolerances make it a superior choice over thicker-film alternatives in precision applications. While not suited for automotive use, it remains a robust solution for industrial, medical, and telecom systems requiring reliable, long-term performance.