TT Electronics/IRC

GQ8A034990GBT

GQ8A034990GBT Description

The GQ8A034990GBT from TT Electronics/IRC is a high-performance 8-resistor isolated network designed for precision applications. Built with thin-film technology on a ceramic substrate, it delivers excellent stability and accuracy with a resistance value of 499Ω and a tight 2% tolerance. The device operates within a wide temperature range of 70°C to 125°C (derated) and can withstand up to 125°C maximum operating temperature, making it suitable for demanding environments. Encased in a 16-pin QSOP package with gull-wing terminations, it offers 0.1W (1/10W) power rating per resistor and a total power rating of 0.75W (3/4W). Its ±25ppm/°C temperature coefficient ensures minimal resistance drift, while the 100V maximum voltage rating enhances reliability in high-voltage circuits.

GQ8A034990GBT Features

• High Precision: Thin-film technology with 2% tolerance and ±25ppm/°C TCR for stable performance.
• Robust Construction: Ceramic case ensures durability and thermal stability.
• Compact Design: 4.9mm (L) × 6.02mm (D) × 1.47mm (H) QSOP package with 0.64mm terminal pitch, ideal for space-constrained PCBs.
• Isolated Configuration: 8 independent resistors (ISOL circuit design) for flexible circuit integration.
• Surface-Mount Ready: Gull-wing terminations simplify automated assembly.
• Wide Operating Range: Supports -55°C to +125°C (full range) with derated power up to 125°C.

GQ8A034990GBT Applications

This resistor network excels in:

• Precision analog circuits (e.g., voltage dividers, sensor interfaces).
• Signal conditioning in industrial control systems.
• Medical instrumentation requiring low drift and high reliability.
• Automotive electronics (non-automotive grade but suitable for benign environments).
• Telecommunication hardware where consistent impedance matching is critical.

Conclusion of GQ8A034990GBT

The GQ8A034990GBT stands out for its combination of precision, power handling, and compactness, making it a superior choice for engineers designing high-reliability systems. While not PPAP or automotive-qualified, its ceramic construction and thin-film technology ensure longevity in harsh conditions. Ideal for industrial, medical, and telecom applications, this resistor network delivers performance where accuracy and stability are paramount.