TT Electronics/IRC

GUS-QS8A-03-1743-DA

GUS-QS8A-03-1743-DA Description

The GUS-QS8A-03-1743-DA from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 8-resistor isolated network features a 174K Ohm resistance value with an ultra-tight 0.5% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stability across a wide operating temperature range of 70°C to 125°C. Housed in a compact 16-pin QSOP package with gull-wing terminations, it offers a 0.75W (3/4W) total power rating (0.1W per resistor) and a 100V maximum voltage rating, making it suitable for precision analog and digital circuits.

GUS-QS8A-03-1743-DA Features

• High Precision: 0.5% tolerance and ±25ppm/°C TCR for critical signal conditioning.
• Robust Construction: Thin-film technology ensures low noise and long-term reliability.
• Space-Efficient: Compact QSOP package (4.9mm x 6.02mm x 1.47mm) with 0.64mm terminal pitch for high-density PCB layouts.
• Isolated Design: 8 independent resistors (ISOL circuit designator) for flexible circuit configurations.
• Wide Temperature Range: Operates reliably from 70°C to 125°C with derated power.
• Automotive-Grade Alternatives: While this model is not PPAP or Automotive qualified, TT Electronics offers similar compliant variants for harsh environments.

GUS-QS8A-03-1743-DA Applications

• Precision Instrumentation: Ideal for DAC/ADC reference networks, feedback loops, and voltage dividers.
• Medical Electronics: Stable performance in patient monitoring systems and diagnostic equipment.
• Industrial Controls: Suitable for PLC analog I/O modules and sensor signal conditioning.
• Communications: Used in RF impedance matching and filtering circuits.
• Test & Measurement: Ensures accuracy in calibration equipment and data acquisition systems.

Conclusion of GUS-QS8A-03-1743-DA

The GUS-QS8A-03-1743-DA excels in applications requiring high precision, thermal stability, and compact footprint. Its thin-film isolation, low TCR, and robust QSOP package make it a superior choice over thicker-film or less stable alternatives. While not automotive-rated, it is a cost-effective solution for industrial, medical, and communication systems where signal integrity and space constraints are critical. Available in tube packaging, it ensures safe handling for automated assembly processes.