TT Electronics/IRC

GQ8A025491CAT

GQ8A025491CAT Description

The GQ8A025491CAT from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding isolation and signal conditioning applications. This 8-resistor array features a 5.49KΩ resistance value with an ultra-tight ±0.25% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range of 70°C to 125°C. Housed in a 16-pin QSOP ceramic package, it offers superior thermal stability and durability in harsh environments. With a 0.75W (3/4W) total power rating (0.1W per resistor) and 100V maximum voltage rating, this device is engineered for reliability in precision analog and digital circuits.

GQ8A025491CAT Features

• High Precision: ±0.25% tolerance and ±50ppm/°C TCR for critical accuracy.
• Robust Construction: Ceramic case and gull-wing termination ensure mechanical and thermal resilience.
• Compact & Dense: 4.9mm x 6.02mm x 1.47mm QSOP package with 0.64mm pitch, ideal for space-constrained designs.
• Isolation-Centric Design: Labeled with "ISOL" circuit designator, optimized for isolated signal paths.
• Wide Operating Range: Derated power up to 125°C, suitable for industrial and high-temperature applications.
• Thin-Film Technology: Delivers low noise and excellent long-term stability.

GQ8A025491CAT Applications

This resistor network excels in:

• Precision Analog Circuits: Voltage dividers, DAC/ADC reference networks.
• Isolation Modules: Signal isolation in medical equipment or industrial sensors.
• Automotive & Aerospace (non-AECQ): Non-automotive but suitable for benign-environment control systems.
• Test & Measurement: Calibration circuits requiring low drift.
• Power Management: Feedback networks in DC-DC converters.

Conclusion of GQ8A025491CAT

The GQ8A025491CAT stands out for its combination of precision, power handling, and compactness, making it a top choice for engineers needing reliable thin-film networks in isolation-critical designs. While not PPAP or automotive-qualified, its ceramic construction and tight tolerances make it ideal for industrial, medical, and instrumentation applications where accuracy and thermal performance are paramount. Packaged in tubes for easy handling, it balances cost and performance for mid-to-high-end electronic systems.