TT Electronics/IRC

GUS-QS8A-02-38R3-DC

GUS-QS8A-02-38R3-DC Description

The GUS-QS8A-02-38R3-DC 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 38.3 Ω resistance value with a tight 0.5% tolerance and a low ±50 ppm/°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 terminations, it offers a 0.75W (3/4W) total power rating (0.1W per resistor) and a 100V maximum voltage rating, making it suitable for high-density PCB designs.

GUS-QS8A-02-38R3-DC Features

• Precision Thin Film Technology: Delivers excellent stability, low noise, and high accuracy (±0.5%).
• Isolated Circuit Design (ISOL): Each resistor operates independently, ideal for signal isolation.
• Robust Power Handling: 0.75W total power (0.1W per resistor) with derating up to 125°C.
• Compact & Reliable: QSOP package (4.9mm x 6.02mm x 1.47mm) with ±0.1mm length/height tolerances for consistent placement.
• Wide Temperature Range: Operates from -70°C to +125°C, suited for industrial and automotive environments (though not PPAP/automotive-certified).
• High Voltage Tolerance: 100V rating ensures durability in power-sensitive circuits.

GUS-QS8A-02-38R3-DC Applications

• Analog Signal Conditioning: Precision voltage dividers, feedback networks in op-amp circuits.
• Medical & Test Equipment: High-accuracy measurement systems requiring low TCR drift.
• Industrial Controls: PLCs, motor drives, and sensor interfaces where isolation is critical.
• Communication Systems: RF modules and filtering circuits benefiting from tight tolerance.
• Power Management: Load sharing, current sensing, and DC-DC converter feedback loops.

Conclusion of GUS-QS8A-02-38R3-DC

The GUS-QS8A-02-38R3-DC stands out for its precision, isolation, and power efficiency in a miniaturized footprint. Its thin-film construction and tight tolerances make it superior to thick-film alternatives in applications demanding long-term reliability. While not automotive-grade, its wide temperature range and high voltage rating cater to industrial and medical markets. Engineers will value its balance of performance and space savings, particularly in multi-channel systems requiring consistent resistor matching.