TT Electronics/IRC

GUS-QS8A-02-54R9-FD

GUS-QS8A-02-54R9-FD Description

The GUS-QS8A-02-54R9-FD is a high-performance 8-resistor isolated network from TT Electronics/IRC, designed for precision applications in demanding environments. This thin-film resistor network features a 54.9 Ω resistance value with a tight 1% tolerance and a low ±50 ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range of -70°C to +125°C. Packaged in a 16-pin QSOP with gull-wing SMD termination, it offers a compact footprint (4.9 mm × 6.02 mm × 1.47 mm) and is supplied in tube packaging for automated assembly.

GUS-QS8A-02-54R9-FD Features

• High Power Handling: 0.75W (3/4W) total power rating, with 0.1W (1/10W) per resistor, enabling robust operation in power-sensitive circuits.
• Precision Thin-Film Technology: Delivers superior accuracy (1%) and low TCR (±50 ppm/°C), ideal for analog signal conditioning and feedback networks.
• Isolated Design (ISOL): Each resistor is electrically isolated, providing flexibility in circuit design and reducing crosstalk.
• Wide Voltage Rating: Supports up to 100V, suitable for industrial and instrumentation applications.
• Compact QSOP Package: 0.64 mm terminal pitch and 1.63 mm seated height ensure compatibility with high-density PCB layouts.
• Non-Automotive (PPAP No): Optimized for commercial and industrial use, though not PPAP-compliant for automotive applications.

GUS-QS8A-02-54R9-FD Applications

This resistor network excels in:

• Precision Analog Circuits: Voltage dividers, DAC/ADC interfaces, and sensor signal conditioning.
• Medical Electronics: Patient monitoring systems where stability and accuracy are critical.
• Test & Measurement Equipment: Calibration circuits and reference networks requiring low drift.
• Industrial Control Systems: Isolated feedback loops in motor drives and power supplies.
• Communications Infrastructure: RF matching networks and impedance correction.

Conclusion of GUS-QS8A-02-54R9-FD

The GUS-QS8A-02-54R9-FD stands out for its combination of precision, power efficiency, and compact design, making it a reliable choice for engineers designing high-performance electronic systems. Its isolated thin-film resistors, wide temperature range, and robust power handling make it particularly suited for industrial, medical, and instrumentation applications where reliability and accuracy are paramount. While not automotive-grade, its QSOP package and gull-wing termination ensure seamless integration into modern SMD assembly processes.