TT Electronics/IRC

GQ8A021742DBT

GQ8A021742DBT Description

The GQ8A021742DBT 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 17.4KΩ resistance value per resistor with an ultra-tight 0.5% 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 ceramic QSOP package, it offers superior thermal stability and durability, making it suitable for harsh environments. The 16-pin gull-wing SMD configuration ensures reliable surface-mount assembly, while the 0.75W (3/4W) total power rating (0.1W per resistor) supports moderate power dissipation needs.

GQ8A021742DBT Features

• Precision Thin Film Technology: Delivers high accuracy (±0.5%) and low TCR (±50ppm/°C) for stable performance.
• Robust Ceramic Package: Enhances thermal management and mechanical strength compared to plastic alternatives.
• Isolation-Centric Design: Ideal for ISOL (isolation) circuit applications, minimizing crosstalk in multi-channel systems.
• Compact QSOP Form Factor: Measures 4.9mm (L) × 6.02mm (D) × 1.47mm (H) with tight tolerances (±0.1mm height/length).
• High Voltage Rating: Supports up to 100V, suitable for industrial and instrumentation use.
• Gull-Wing Termination: Ensures reliable solder joints in automated PCB assembly processes.

GQ8A021742DBT Applications

This resistor network excels in:

• Analog Signal Isolation: Precision voltage dividers, DAC/ADC reference circuits, and sensor conditioning.
• Medical/Industrial Electronics: Isolated measurement systems, patient monitoring, and control modules.
• Test & Measurement Equipment: Calibration circuits, signal attenuation, and high-accuracy instrumentation.
• Aerospace & Defense: Ruggedized electronics requiring stable resistance under thermal stress.

Conclusion of GQ8A021742DBT

The GQ8A021742DBT stands out for its combination of precision, durability, and compact design, making it a superior choice for isolation-critical applications. Its ceramic construction, tight tolerances, and high power handling address challenges in industrial, medical, and aerospace sectors where reliability is paramount. While not RoHS-compliant, its performance benefits justify its use in specialized, high-reliability systems. Engineers seeking a high-stability resistor network with proven thin-film technology will find this model exceptionally capable.