TT Electronics/IRC

GQ8A011821CT

GQ8A011821CT Description

The GQ8A011821CT 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 1.82KΩ resistance value per resistor with an ultra-tight ±0.25% tolerance and a low ±100ppm/°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 excellent thermal stability and durability, making it suitable for harsh environments. With a 0.75W (3/4W) total power rating (0.1W per resistor) and a 100V maximum voltage rating, this network is ideal for precision analog and digital circuits.

GQ8A011821CT Features

• High Precision: ±0.25% tolerance and ±100ppm/°C TCR for reliable signal integrity.
• Robust Construction: Ceramic case with gull-wing terminations for superior thermal and mechanical performance.
• Space-Efficient: Compact 4.9mm × 6.02mm × 1.47mm QSOP package with 0.64mm pitch, optimized for high-density PCBs.
• Isolation-Centric Design: Circuit designator "ISOL" ensures minimal crosstalk between resistors.
• Wide Operating Range: Rated for -55°C to +125°C, derated up to 125°C.
• Surface-Mount Ready: Gull-wing SMD termination simplifies automated assembly.

GQ8A011821CT Applications

This resistor network excels in precision applications such as:

• Medical Equipment: Isolation amplifiers and patient monitoring systems requiring stable, noise-resistant resistors.
• Industrial Automation: Signal conditioning in PLCs, DACs, and ADCs where accuracy is critical.
• Telecommunications: Impedance matching and termination in high-frequency circuits.
• Automotive (Non-Automotive Rated): Sensor interfaces and control modules in non-safety-critical systems.
• Test & Measurement: Calibration devices and precision voltage dividers.

Conclusion of GQ8A011821CT

The GQ8A011821CT stands out for its combination of precision, power handling, and compact form factor, making it a superior choice for isolation-focused designs. Its ceramic construction and thin-film technology ensure long-term reliability, while the QSOP package caters to space-constrained layouts. Though not PPAP or automotive-qualified, it remains a top-tier option for industrial, medical, and telecom applications demanding uncompromising accuracy and thermal resilience.