TT Electronics/IRC

GUS-QS0B-03-4991-CB

GUS-QS0B-03-4991-CB Description

The GUS-QS0B-03-4991-CB 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 4.99KΩ resistance and an ultra-tight 0.25% tolerance, ensuring exceptional accuracy in circuit designs. With a ±25ppm/°C temperature coefficient, it delivers stable performance across a wide operating range of -55°C to +125°C (derated power: 70°C to 125°C). The network supports a maximum voltage rating of 100V and offers a total power rating of 1W (0.05W per resistor), making it suitable for high-reliability applications. Its gull-wing termination and 0.64mm terminal pitch facilitate easy PCB integration.

GUS-QS0B-03-4991-CB Features

• Precision Thin Film Technology: Ensures low noise and high stability.
• 19 Resistors in Compact QSOP: Saves board space while providing multiple matched resistors.
• 0.25% Tolerance & ±25ppm/°C TCR: Ideal for precision analog and signal conditioning circuits.
• 1W Total Power Dissipation: Robust performance in power-sensitive designs.
• 100V Maximum Voltage Rating: Suitable for industrial and instrumentation applications.
• Gull-Wing SMD Termination: Ensures reliable solder joints and mechanical stability.
• Non-Automotive, Non-PPAP: Optimized for commercial and industrial use.

GUS-QS0B-03-4991-CB Applications

This resistor network excels in:

• Precision Voltage Dividers: Critical in ADC/DAC reference circuits.
• Medical Instrumentation: Where accuracy and thermal stability are paramount.
• Test & Measurement Equipment: For signal conditioning and calibration.
• Industrial Control Systems: Requires stable resistance over temperature fluctuations.
• Communication Infrastructure: RF and baseband signal processing.

Conclusion of GUS-QS0B-03-4991-CB

The GUS-QS0B-03-4991-CB stands out for its precision, compact design, and high power handling, making it a superior choice for engineers needing reliable resistor networks in space-constrained, high-performance applications. Its thin-film technology and tight tolerances ensure consistent performance, while the QSOP package simplifies assembly. Though not RoHS-compliant, it remains a top-tier solution for industrial and commercial electronics where precision outweighs regulatory constraints.