TT Electronics/IRC

GUS-QS8A-03-7870-CB

GUS-QS8A-03-7870-CB Description

The GUS-QS8A-03-7870-CB from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 8-resistor isolated network features a 787Ω resistance value per resistor with an ultra-tight ±0.25% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range of 70°C to 125°C. Housed in a compact 16-pin QSOP (QSOP-16) package, it offers a 0.75W (3/4W) total power rating (0.1W per resistor) and supports 100V maximum voltage, making it suitable for precision analog and digital circuits.

GUS-QS8A-03-7870-CB Features

• High Precision: ±0.25% tolerance and ±25ppm/°C TCR for minimal drift in critical applications.
• Robust Construction: Thin-film technology ensures long-term reliability and low noise.
• Space-Saving Design: Compact 4.9mm × 6.02mm × 1.47mm footprint with 0.64mm terminal pitch for high-density PCB layouts.
• Isolated Configuration: Independent resistors (ISOL designator) allow flexible circuit design.
• Wide Operating Range: Rated for -55°C to +125°C, with derated power up to 125°C.
• Gull Wing Termination: Ensures secure surface-mount soldering for automated assembly.
• Tube Packaging: Protects components during handling and storage.

GUS-QS8A-03-7870-CB Applications

• Precision Voltage Dividers: Ideal for ADC/DAC reference circuits due to low TCR and tight tolerance.
• Medical Electronics: Stable performance in diagnostic equipment and patient monitoring systems.
• Industrial Controls: Suitable for PLCs, sensor interfaces, and power management modules.
• Communications Infrastructure: Used in RF amplifiers, filters, and signal conditioning circuits.
• Automotive Test Systems: Despite not being automotive-grade, its reliability suits benchtop testing and prototyping.

Conclusion of GUS-QS8A-03-7870-CB

The GUS-QS8A-03-7870-CB excels in applications requiring high accuracy, thermal stability, and compactness. Its isolated thin-film resistors, combined with a robust QSOP package, make it a superior choice over thicker-film or less precise networks. While not PPAP or RoHS compliant, its performance in industrial, medical, and communication systems justifies its niche. Engineers will appreciate its balance of precision, power handling, and space efficiency in critical designs.