TT Electronics/IRC

GUS-QS8A-01-54R9-FD

GUS-QS8A-01-54R9-FD Description

The GUS-QS8A-01-54R9-FD from TT Electronics/IRC is a high-performance thin-film resistor network designed for precision applications. This 8-resistor isolated network features a 54.9Ω resistance value with a tight 1% tolerance and a low ±100ppm/°C temperature coefficient, ensuring stable performance across a wide operating temperature range of 70°C to 125°C. Packaged in a 16-pin QSOP with gull-wing SMD termination, it offers a compact footprint (4.9mm × 6.02mm × 1.47mm) and is supplied in tube packaging for automated assembly. With a 0.75W (3/4W) total power rating and 100V maximum voltage rating, this device is engineered for reliability in demanding circuits.

GUS-QS8A-01-54R9-FD Features

• Precision Thin Film Technology: Delivers superior accuracy (±1%) and low TCR (±100ppm/°C) for stable signal conditioning.
• High Power Handling: 0.1W per resistor (0.75W total) enables robust performance in power-sensitive designs.
• Isolated Network (ISOL): Each resistor is electrically isolated, ideal for multi-channel applications requiring independent paths.
• Compact QSOP Package: Space-saving 16-pin gull-wing SMD design with 0.64mm pitch, suitable for high-density PCBs.
• Wide Temperature Range: Operates reliably from 70°C to 125°C, making it suitable for industrial and automotive-adjacent environments (though not PPAP/automotive-certified).
• Non-RoHS Compliant: May be preferred for legacy or specialized applications where RoHS exemptions apply.

GUS-QS8A-01-54R9-FD Applications

• Signal Conditioning: Precision voltage dividers, feedback networks, and ADC/DAC interfaces in test equipment.
• Industrial Controls: Isolated resistor networks for PLCs, motor drives, and sensor interfaces.
• Telecommunications: Impedance matching and termination in high-frequency RF modules.
• Medical Electronics: Stable resistance paths in diagnostic equipment where thermal drift must be minimized.
• Power Management: Current sensing and balancing in DC-DC converters or LED drivers.

Conclusion of GUS-QS8A-01-54R9-FD

The GUS-QS8A-01-54R9-FD stands out for its precision, isolation, and power efficiency in a compact QSOP package. Its thin-film construction and tight tolerances make it a superior choice over thicker-film or less stable alternatives. While not automotive-grade, it excels in industrial, telecom, and medical applications where accuracy and thermal performance are critical. Engineers will appreciate its balance of miniaturization, reliability, and ease of integration into surface-mount designs.