TT Electronics/IRC

GUS-QS0B-03-5490-BB

GUS-QS0B-03-5490-BB Description

The GUS-QS0B-03-5490-BB from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding electronic applications. It features 19 resistors in a 20-pin QSOP package with a 549Ω resistance value and an ultra-tight 0.1% tolerance, ensuring exceptional accuracy. The network operates over a wide temperature range of 70°C to 125°C with a ±25ppm/°C temperature coefficient, delivering stable performance under thermal stress. Rated for 1W total power dissipation (0.05W per resistor) and 100V maximum voltage, it is housed in a compact 8.66mm x 6.02mm x 1.47mm surface-mount package with gull-wing terminations for reliable PCB mounting.

GUS-QS0B-03-5490-BB Features

• Precision Thin Film Technology: Offers low noise and high stability for sensitive circuits.
• High Power Density: 1W total power rating in a miniaturized QSOP package.
• Tight Tolerance & Low TCR: ±0.1% tolerance and ±25ppm/°C ensure long-term accuracy.
• Robust Construction: Withstands high operating temperatures up to 125°C.
• Automated Assembly-Friendly: Gull-wing terminations and standardized pitch (0.64mm) simplify SMT processes.
• Non-Automotive, Non-PPAP: Suitable for industrial and commercial applications.

GUS-QS0B-03-5490-BB Applications

This resistor network excels in:

• Precision Analog Circuits: Voltage dividers, feedback networks, and sensor interfaces.
• Medical & Test Equipment: Where low drift and high accuracy are critical.
• Communication Systems: RF modules and signal conditioning circuits.
• Industrial Controls: PLCs, motor drives, and power management systems.
• Aerospace & Defense: Ruggedized electronics requiring stable performance under thermal cycling.

Conclusion of GUS-QS0B-03-5490-BB

The GUS-QS0B-03-5490-BB combines high precision, power efficiency, and compact design, making it ideal for applications demanding reliable performance in constrained spaces. Its thin-film technology and strict tolerances outperform bulkier or less stable alternatives, while the QSOP package ensures compatibility with modern SMT workflows. Though not automotive-grade, it is a top choice for industrial, medical, and communication systems where accuracy and thermal resilience are paramount.