TT Electronics/IRC

GQ8A039090CT

GQ8A039090CT Description

The GQ8A039090CT from TT Electronics/IRC is a high-precision 8-resistor thin film network designed for demanding isolation and signal conditioning applications. Housed in a 16-pin QSOP ceramic package, it features a 909 Ω resistance value per resistor with an ultra-tight ±0.25% tolerance and a low ±25 ppm/°C temperature coefficient, ensuring stability across a wide operating temperature range of 70°C to 125°C. With a 0.75W (3/4W) total power rating (0.1W per resistor) and 100V maximum voltage rating, this surface-mount (SMD) network is ideal for precision analog and digital circuits requiring reliable performance under thermal stress.

GQ8A039090CT Features

• High Precision: ±0.25% tolerance and ±25 ppm/°C TCR for consistent performance.
• Robust Construction: Ceramic case and gull-wing termination ensure durability and solderability.
• Space-Efficient: Compact QSOP package (4.9mm × 6.02mm × 1.47mm) with 0.64mm terminal pitch for high-density PCB layouts.
• Isolation-Centric Design: Circuit designator "ISOL" optimizes signal integrity in isolated systems.
• Wide Temperature Range: Derated power operation up to 125°C, suitable for industrial environments.
• Non-Automotive Grade: Compliant with EAR99 (ECCN) but not PPAP or RoHS, making it niche for non-consumer applications.

GQ8A039090CT Applications

• Medical Electronics: Isolation amplifiers and patient monitoring systems requiring precision resistance.
• Industrial Controls: Signal conditioning in PLCs, sensors, and motor drives.
• Test & Measurement Equipment: High-accuracy voltage dividers and calibration circuits.
• Telecom Infrastructure: RF matching networks and line termination in base stations.
• Aerospace & Defense: Ruggedized avionics where ceramic packaging excels in thermal stability.

Conclusion of GQ8A039090CT

The GQ8A039090CT stands out for its combination of precision, power handling, and compact form factor, making it a superior choice for isolation-critical designs. Its ceramic construction and thin film technology deliver unmatched reliability in harsh environments, while the QSOP package ensures compatibility with automated assembly. Though not RoHS-compliant, it fills a vital niche in industrial, medical, and high-reliability systems where performance outweighs regulatory constraints. Engineers seeking a high-stability resistor network for analog isolation or precision circuits will find this model exceptionally well-suited.