TT Electronics/IRC

GUS-QS0B-03-3571-FB

GUS-QS0B-03-3571-FB Description

The GUS-QS0B-03-3571-FB from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 19-resistor array features a 3.57KΩ resistance value per resistor with a tight 1% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stable performance 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 power rating of 1W (0.05W per resistor) and a maximum voltage rating of 100V. Its thin-film technology provides superior accuracy, low noise, and excellent long-term reliability, making it ideal for precision analog and digital circuits.

GUS-QS0B-03-3571-FB Features

• High Precision: 1% tolerance and ±25ppm/°C TCR for stable performance in temperature-variable environments.
• Compact Design: 8.66mm × 6.02mm × 1.47mm QSOP package with 0.64mm pitch, saving PCB space.
• Robust Construction: Thin-film technology ensures low noise, high accuracy, and long-term reliability.
• Wide Operating Range: Rated for 125°C maximum temperature and derated power up to 125°C.
• Automotive-Grade Alternatives: While not PPAP or automotive-qualified, its performance suits industrial and telecom applications.
• Non-RoHS Compliant: Suitable for legacy or exempted applications requiring leaded components.

GUS-QS0B-03-3571-FB Applications

• Precision Voltage Dividers: Ideal for ADC/DAC reference circuits due to low TCR and tight tolerance.
• Signal Conditioning: Used in sensor interfaces and instrumentation amplifiers where stability is critical.
• Industrial Controls: Reliable performance in PLCs, motor drives, and power management systems.
• Telecom Infrastructure: Suitable for RF and baseband circuitry in communication equipment.
• Legacy Systems: Non-RoHS compliance makes it a fit for military or aerospace applications with exemptions.

Conclusion of GUS-QS0B-03-3571-FB

The GUS-QS0B-03-3571-FB stands out for its precision, compactness, and thin-film reliability, making it a top choice for engineers needing stable resistor networks in space-constrained designs. While not automotive-qualified, its wide temperature range and low TCR cater to industrial, telecom, and high-accuracy analog systems. Its QSOP gull-wing package ensures easy soldering and compatibility with automated assembly processes. For applications demanding consistent performance under thermal stress, this resistor network delivers exceptional value.