TT Electronics/IRC

GUS-QS8A-02-4221-BB

GUS-QS8A-02-4221-BB Description

The GUS-QS8A-02-4221-BB from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding electronic applications. This 8-resistor isolated network features a 4.22KΩ resistance value with an ultra-tight 0.1% tolerance and a low ±50ppm/°C temperature coefficient, ensuring exceptional stability across a wide temperature range of 70°C to 125°C. Encased in a 16-pin QSOP package with gull-wing SMD termination, it offers a compact footprint (4.9mm x 6.02mm x 1.47mm) and a 0.64mm terminal pitch, making it ideal for space-constrained PCB designs. Rated for 0.75W (3/4W) total power and 0.1W per resistor, it supports 100V maximum voltage, making it suitable for precision analog and digital circuits.

GUS-QS8A-02-4221-BB Features

• High Precision: 0.1% tolerance and ±50ppm/°C TCR for stable performance in critical applications.
• Robust Construction: Thin-film technology ensures low noise and high reliability.
• Compact Design: QSOP-16 package with 1.63mm seated height optimizes board space.
• Isolated Configuration (ISOL): Each resistor operates independently, enhancing design flexibility.
• Wide Operating Range: -55°C to +125°C with derated power up to 125°C.
• Industry-Standard Compliance: Surface-mountable (SMD) with gull-wing leads for automated assembly.

GUS-QS8A-02-4221-BB Applications

• Precision Instrumentation: Ideal for DAC/ADC reference networks, medical devices, and test equipment.
• Industrial Controls: Suitable for PLC modules, sensor interfaces, and feedback circuits.
• Telecommunications: Used in RF signal conditioning and impedance matching networks.
• Automotive (Non-Automotive Rated): Auxiliary systems requiring stable resistance under thermal stress.
• Consumer Electronics: High-end audio equipment and display driver circuits.

Conclusion of GUS-QS8A-02-4221-BB

The GUS-QS8A-02-4221-BB excels in applications demanding precision, stability, and compactness. Its thin-film isolation, tight tolerance, and robust power handling make it a superior choice over standard thick-film networks. While not PPAP or automotive-qualified, it is a cost-effective solution for industrial, telecom, and high-reliability consumer designs. Packaged in tubes for easy handling, this resistor network balances performance with manufacturability, ensuring consistent results in volume production.