TT Electronics/IRC

GUS-QS8A-03-3000-FB

GUS-QS8A-03-3000-FB Description

The GUS-QS8A-03-3000-FB is a high-performance thin-film resistor network from TT Electronics/IRC, designed for precision applications requiring stable resistance and low thermal drift. This 8-resistor isolated network features a 300Ω resistance value per resistor with a tight 1% tolerance and an ultra-low ±25ppm/°C temperature coefficient, ensuring reliable performance across a wide operating temperature range of -55°C to +125°C. Packaged in a 16-pin QSOP with gull-wing SMD termination, it offers a compact footprint (4.9mm × 6.02mm × 1.47mm) ideal for space-constrained PCB designs. The 0.1W power rating per resistor (0.75W total) and 100V maximum voltage rating make it suitable for demanding analog and digital circuits.

GUS-QS8A-03-3000-FB Features

• Precision Thin Film Technology: Delivers superior stability, low noise, and minimal TCR drift compared to thick-film alternatives.
• Isolated Circuit Design (ISOL): Each resistor is electrically isolated, enabling flexible circuit configurations.
• High Power Density: 0.75W total power dissipation in a compact QSOP package, outperforming similar networks in thermal management.
• Robust Construction: QSOP case with gull-wing leads ensures reliable surface-mount assembly and mechanical durability.
• Wide Temperature Range: Operates reliably from -55°C to +125°C, with derated power up to 125°C.
• Strict Tolerances: ±0.1mm height/length and ±0.2mm depth tolerances for consistent PCB compatibility.

GUS-QS8A-03-3000-FB Applications

• Industrial Electronics: Precision voltage dividers, feedback networks, and sensor conditioning in automation systems.
• Medical Devices: Signal processing circuits where low drift and high accuracy are critical.
• Telecommunications: RF and analog front-end modules requiring stable impedance matching.
• Test & Measurement Equipment: Calibration circuits and reference networks due to low TCR and tight tolerance.
• Aerospace & Defense: Harsh-environment applications benefiting from the extended temperature range and reliability.

Conclusion of GUS-QS8A-03-3000-FB

The GUS-QS8A-03-3000-FB stands out as a high-reliability resistor network for precision electronics, combining thin-film accuracy, compact packaging, and isolated design flexibility. Its low TCR, 1% tolerance, and wide operating range make it ideal for critical applications in industrial, medical, and aerospace sectors. While not RoHS-compliant, its performance advantages justify its use in specialized environments where stability and durability are paramount. Engineers seeking a balance of miniaturization and power handling will find this model a robust solution.