TT Electronics/IRC

GUS-QS0B-03-1961-CA

GUS-QS0B-03-1961-CA Description

The GUS-QS0B-03-1961-CA from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 19-resistor array features a 1.96KΩ resistance value per element with an ultra-tight ±0.25% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stable performance across a wide -70°C to +125°C operating range. Housed in a compact 20-pin QSOP package with gull-wing terminations, it offers a 1W total power rating (0.05W per resistor) and supports 100V maximum voltage, making it ideal for precision analog and digital circuits.

GUS-QS0B-03-1961-CA Features

• High Precision: ±0.25% tolerance and ±25ppm/°C TCR for minimal drift in critical applications.
• Robust Construction: Thin-film technology ensures long-term reliability and low noise.
• Space-Efficient: Compact 8.66mm × 6.02mm × 1.47mm QSOP package with 0.64mm pitch, suitable for high-density PCB layouts.
• Wide Temperature Range: Operates from -70°C to +125°C with derated power up to 125°C.
• Automotive-Grade Alternatives: While this model is not PPAP or automotive-qualified, similar variants are available for harsh environments.
• Non-RoHS: Note that this specific part is not EU RoHS compliant.

GUS-QS0B-03-1961-CA Applications

• Precision Voltage Dividers: Ideal for ADC/DAC reference circuits due to low TCR and tight tolerance.
• Medical Electronics: Stable performance in diagnostic equipment and patient monitoring systems.
• Industrial Control Systems: Suitable for PLCs, sensor interfaces, and feedback networks.
• Test & Measurement: High accuracy ensures repeatability in calibration instruments.
• Aerospace & Defense: Thin-film reliability meets stringent environmental requirements (though compliance checks are advised).

Conclusion of GUS-QS0B-03-1961-CA

The GUS-QS0B-03-1961-CA excels in applications demanding precision, stability, and compactness. Its thin-film technology, tight tolerances, and robust package make it a superior choice over thicker-film or less stable alternatives. While not suited for automotive or RoHS-restricted designs, it remains a top-tier solution for industrial, medical, and high-reliability electronics where performance cannot be compromised.