TT Electronics/IRC

GUS-QS0B-03-3091-DA

GUS-QS0B-03-3091-DA Description

The GUS-QS0B-03-3091-DA 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 3.09KΩ resistance value and an exceptional ±0.5% tolerance, ensuring reliable performance in precision circuits. With a ±25ppm/°C temperature coefficient and a wide operating range of -70°C to +125°C, it delivers stable resistance across harsh environments. The 1W total power rating (0.05W per resistor) and 100V maximum voltage rating make it suitable for high-density PCB designs requiring robust power handling.

GUS-QS0B-03-3091-DA Features

• Precision Thin Film Technology: Delivers low noise and high stability for sensitive analog/digital systems.
• Compact QSOP Package: Measures 8.66mm (L) × 6.02mm (D) × 1.47mm (H) with gull-wing terminations for easy soldering.
• High Power Density: 1W total dissipation (1/20W per resistor) in a minimal footprint.
• Broad Temperature Range: Operates from -70°C to +125°C with derated power up to 125°C.
• Automotive-Grade Alternatives: While not PPAP/automotive-certified, its ±0.5% tolerance and ±25ppm/°C TCR rival higher-cost automotive components.
• Non-RoHS Compliant: Ideal for legacy or specialized industrial systems requiring leaded finishes.

GUS-QS0B-03-3091-DA Applications

• Precision Voltage Dividers: Critical in ADC/DAC reference circuits and sensor signal conditioning.
• Medical Instrumentation: Stable performance in patient monitoring and diagnostic equipment.
• Industrial Control Systems: Reliable operation in PLCs, motor drives, and power management modules.
• Aerospace & Defense: Suitable for avionics and communication systems due to its wide temperature tolerance.
• Test & Measurement Equipment: Low TCR ensures accuracy in calibration tools and multimeters.

Conclusion of GUS-QS0B-03-3091-DA

The GUS-QS0B-03-3091-DA stands out for its precision, power efficiency, and compact design, making it a top choice for engineers prioritizing space-constrained, high-reliability applications. Its thin-film construction and tight tolerance outperform standard thick-film networks, while the QSOP package ensures compatibility with automated assembly processes. Though not RoHS-compliant, it remains a cost-effective solution for legacy or niche industrial systems demanding uncompromising performance.