TT Electronics/IRC

GUS-QS8A-02-73R2-DD

GUS-QS8A-02-73R2-DD Description

The GUS-QS8A-02-73R2-DD 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 73.2Ω resistance value with an ultra-tight ±0.5% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stable performance 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-02-73R2-DD Features

• High Precision: 0.5% tolerance and ±50ppm/°C TCR for reliable signal integrity.
• Robust Construction: Thin-film technology ensures low noise and high stability.
• Space-Efficient: Compact QSOP-16 package (4.9mm × 6.02mm × 1.47mm) with 0.64mm pitch for high-density PCB designs.
• Wide Temperature Range: Operates from -70°C to +125°C with derated power handling.
• Isolated Design (ISOL): Independent resistors reduce crosstalk in critical circuits.
• Automotive-Grade Alternatives: While this model is not PPAP or automotive-qualified, similar variants may meet stricter requirements.

GUS-QS8A-02-73R2-DD Applications

• Precision Voltage Dividers: Ideal for ADC/DAC reference circuits due to low TCR and tight tolerance.
• Medical Electronics: Stable performance in diagnostic equipment and patient monitoring systems.
• Industrial Controls: Suitable for PLCs, sensor interfaces, and power management modules.
• Test & Measurement: High accuracy in oscilloscopes, multimeters, and calibration devices.
• Communications: Signal conditioning in RF and baseband processing.

Conclusion of GUS-QS8A-02-73R2-DD

The GUS-QS8A-02-73R2-DD excels in applications requiring precision, stability, and compactness. Its thin-film isolation, low TCR, and high power density make it a superior choice over thicker-film or less stable networks. While not RoHS-compliant, its performance in harsh environments and analog-critical systems justifies its use in professional and industrial electronics. Engineers should consider this model for designs where resistance accuracy and thermal reliability are paramount.