TT Electronics/IRC

GUS-QS8A-03-4222-DA

GUS-QS8A-03-4222-DA Description

The GUS-QS8A-03-4222-DA 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 42.2KΩ resistance value per resistor with an ultra-tight ±0.5% 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 16-pin QSOP package with gull-wing termination, it offers a 0.75W (3/4W) total power rating and 0.1W per resistor, making it suitable for high-density PCB designs requiring reliable signal conditioning or voltage division.

GUS-QS8A-03-4222-DA Features

• Precision Thin Film Technology: Delivers superior accuracy (±0.5%) and low TCR (±25ppm/°C) for stable performance in fluctuating environments.
• High Power Handling: 0.75W total power rating (0.1W per resistor) supports robust operation in compact layouts.
• Isolated Circuit Design (ISOL): Each resistor is electrically isolated, ideal for multi-channel applications.
• Compact QSOP Package: 4.9mm (L) × 6.02mm (D) × 1.47mm (H) with 0.64mm terminal pitch, optimizing board space.
• Wide Voltage Range: 100V maximum rating accommodates diverse circuit requirements.
• Industrial-Grade Reliability: Operates up to 125°C, suitable for harsh environments (non-automotive).

GUS-QS8A-03-4222-DA Applications

• Precision Analog Circuits: Voltage dividers, feedback networks, and gain setting in instrumentation.
• Signal Conditioning: Isolation and impedance matching in data acquisition systems.
• Medical Electronics: High-accuracy sensor interfaces and diagnostic equipment.
• Industrial Controls: PLCs, motor drives, and power management where thermal stability is critical.
• Test & Measurement: Calibration tools and reference circuits requiring minimal drift.

Conclusion of GUS-QS8A-03-4222-DA

The GUS-QS8A-03-4222-DA excels in applications demanding precision, thermal stability, and space efficiency. Its thin-film construction, isolated design, and high power density make it a standout choice over bulkier or less accurate alternatives. While not RoHS-compliant or automotive-rated, it remains a top-tier solution for industrial, medical, and test equipment where performance outweighs regulatory constraints. Packaged in tubes for SMD assembly, it ensures seamless integration into automated production workflows.