TT Electronics/IRC

GQ8A031403FAT

GQ8A031403FAT Description

The GQ8A031403FAT from TT Electronics/IRC is a high-performance thin-film resistor network designed for precision applications. This 8-resistor isolated network features a 140K Ohm resistance value with a tight 1% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stable performance across varying thermal conditions. Housed in a 16-pin QSOP ceramic package, it offers a 0.75W (3/4W) total power rating and 0.1W per resistor, making it suitable for demanding circuits. The gull-wing termination and surface-mount design facilitate easy PCB integration, while its 100V maximum voltage rating and 125°C operating temperature range ensure reliability in harsh environments.

GQ8A031403FAT Features

• Precision Thin Film Technology: Delivers high accuracy (±1%) and low TCR (±25ppm/°C) for stable performance.
• Robust Ceramic Case: Enhances thermal stability and durability, ideal for high-temperature applications (up to 125°C).
• Isolated Network (ISOL): Each resistor operates independently, reducing crosstalk in sensitive circuits.
• Compact QSOP Package: Space-saving 4.9mm × 6.02mm × 1.47mm footprint with 0.64mm pitch, suited for dense PCB layouts.
• High Power Handling: 0.75W total (0.1W per resistor) outperforms similar networks in power dissipation.
• Gull-Wing SMD Termination: Ensures reliable solder joints and mechanical stability in automated assembly.

GQ8A031403FAT Applications

This resistor network excels in:

• Analog Signal Conditioning: Precision voltage dividers, feedback networks in op-amp circuits.
• Industrial Control Systems: PLCs, sensor interfaces requiring stable resistance under thermal stress.
• Medical Electronics: Isolated measurement circuits where accuracy and reliability are critical.
• Automotive (Non-Automotive Rated): Engine control units (ECUs), infotainment systems (note: not PPAP/automotive-qualified).
• Test & Measurement Equipment: Calibration circuits, reference networks demanding low drift.

Conclusion of GQ8A031403FAT

The GQ8A031403FAT combines precision, power efficiency, and compact design, making it a standout choice for engineers needing reliable resistor networks in high-accuracy applications. Its ceramic construction, isolated design, and thin-film technology provide superior performance over standard thick-film alternatives. While not automotive-grade, it is ideal for industrial, medical, and instrumentation use where thermal stability and tolerance are paramount. For designs requiring repeatable performance in constrained spaces, this network delivers exceptional value.