TT Electronics/IRC

GUS-QS0B-03-4021-DC

GUS-QS0B-03-4021-DC Description

The GUS-QS0B-03-4021-DC 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 0.5% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range of 70°C to 125°C. Encased in a compact 20-pin QSOP package with gull-wing termination, it offers a power rating of 1W (0.05W per resistor) and a maximum voltage rating of 100V, making it ideal for precision analog and digital circuits.

GUS-QS0B-03-4021-DC Features

• High Precision: 0.5% tolerance and ±25ppm/°C TCR for reliable signal integrity.
• Robust Construction: Thin-film technology ensures low noise and high stability.
• Compact Design: 8.66mm × 6.02mm × 1.47mm QSOP package with 0.64mm terminal pitch for high-density PCB layouts.
• Wide Operating Range: -55°C to +125°C (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 Compliant: Suitable for legacy or exempted applications.

GUS-QS0B-03-4021-DC Applications

• Precision Voltage Dividers: Critical in ADC/DAC reference circuits.
• Medical Instrumentation: High-accuracy sensor interfaces.
• Industrial Controls: Feedback networks in PLCs and motor drives.
• Test & Measurement Equipment: Calibration and signal conditioning.
• Aerospace & Defense: Reliable performance in avionics systems.

Conclusion of GUS-QS0B-03-4021-DC

The GUS-QS0B-03-4021-DC excels in applications requiring tight tolerance, low TCR, and compact footprint. Its thin-film construction and QSOP packaging make it a superior choice over thicker-film or less stable alternatives. While not automotive-grade, it is a cost-effective solution for industrial, medical, and precision electronics where space and performance are critical.