TT Electronics/IRC

GUS-QS0B-03-4021-BB

GUS-QS0B-03-4021-BB Description

The GUS-QS0B-03-4021-BB from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 19-resistor array features a 4.02KΩ resistance value per resistor with an ultra-tight 0.1% tolerance and a low ±25ppm/°C temperature coefficient, ensuring exceptional stability across a wide operating temperature range of 70°C to 125°C. Housed in a compact 20-pin QSOP package with gull-wing terminations, it offers a 1W total power rating (0.05W per resistor) and a 100V maximum voltage rating, making it ideal for precision analog and digital circuits.

GUS-QS0B-03-4021-BB Features

• High Precision: 0.1% tolerance and ±25ppm/°C TCR for critical signal conditioning.
• Robust Construction: Thin-film technology ensures low noise and long-term reliability.
• Compact Design: 8.66mm × 6.02mm × 1.47mm footprint with 0.64mm terminal pitch for high-density PCB layouts.
• Wide Temperature Range: Operates from 70°C to 125°C with derated power handling.
• Automotive-Grade Alternatives: While not automotive-certified, its performance suits industrial and instrumentation use.
• Tube Packaging: Protects components during handling and assembly.

GUS-QS0B-03-4021-BB Applications

• Precision Voltage Dividers: Ideal for ADC/DAC reference circuits.
• Medical Electronics: Stable performance in diagnostic equipment.
• Test & Measurement: High-accuracy signal processing in oscilloscopes and analyzers.
• Industrial Controls: Reliable operation in PLCs and sensor interfaces.
• Communication Systems: Impedance matching in RF and baseband circuits.

Conclusion of GUS-QS0B-03-4021-BB

The GUS-QS0B-03-4021-BB excels in applications requiring tight tolerance, low drift, and space efficiency. Its thin-film construction, high power density, and gull-wing termination make it a superior choice over thicker-film or less stable alternatives. While not PPAP or RoHS compliant, its precision and durability justify its use in professional and industrial electronics where performance outweighs regulatory constraints.