TT Electronics/IRC

GUS-QS0B-03-4871-FA

GUS-QS0B-03-4871-FA Description

The GUS-QS0B-03-4871-FA from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 19-resistor array features a 4.87KΩ resistance value per resistor with a tight 1% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stable performance across a wide operating temperature range of 70°C to 125°C. Housed in a compact 20-pin QSOP package with gull-wing terminations, it offers a 1W total power rating (0.05W per resistor) and a maximum voltage rating of 100V. Its rectangular form factor (8.66mm x 6.02mm x 1.47mm) and 0.64mm terminal pitch make it ideal for high-density PCB designs.

GUS-QS0B-03-4871-FA Features

• Precision Thin Film Technology: Delivers superior accuracy and stability compared to thick-film alternatives.
• High Power Density: 1W total dissipation in a minimal footprint, with derated power up to 125°C.
• Robust Construction: QSOP package ensures mechanical durability and reliable solder joints.
• BUS Circuit Designator: Optimized for bus termination and pull-up/down applications.
• Non-Automotive, Non-PPAP: Suitable for industrial, telecom, and instrumentation use.
• Tube Packaging: Facilitates automated assembly processes.

GUS-QS0B-03-4871-FA Applications

This resistor network excels in:

• Signal Conditioning: Precision voltage division and impedance matching in analog circuits.
• Bus Termination: Mitigating signal reflections in high-speed digital systems (e.g., DDR memory, FPGA interfaces).
• Sensor Interfaces: Stable biasing for RTDs, strain gauges, and ADC/DAC peripherals.
• Medical/Test Equipment: Where low TCR and tight tolerances are critical.
• Space-Constrained Designs: Dense PCBs in IoT modules or portable electronics.

Conclusion of GUS-QS0B-03-4871-FA

The GUS-QS0B-03-4871-FA combines precision, power efficiency, and compactness, making it a standout choice for engineers requiring reliable resistor networks in harsh environments. Its thin-film technology, low TCR, and high-voltage capability address challenges in signal integrity and thermal management, while the QSOP gull-wing package ensures compatibility with modern SMT workflows. Ideal for industrial and telecom applications, this model balances performance with cost-effectiveness for mid-to-high-volume production.