TT Electronics/IRC

GQ8A011781FBT

GQ8A011781FBT Description

The GQ8A011781FBT from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding electronic applications. This 8-resistor isolated network features a 1.78KΩ resistance value per resistor with a tight 1% 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 ceramic QSOP package, it offers 16 gull-wing terminals for reliable surface-mount (SMD) assembly. With a 0.75W (3/4W) total power rating and 100V maximum voltage rating, this component is engineered for precision signal conditioning, voltage division, and impedance matching in compact designs.

GQ8A011781FBT Features

• High Accuracy: 1% tolerance and ±100ppm/°C TCR for consistent performance.
• Robust Construction: Ceramic case ensures durability and thermal stability.
• Space-Efficient: Compact QSOP package (4.9mm x 6.02mm x 1.47mm) with 0.64mm terminal pitch for high-density PCB layouts.
• Isolated Design: Independent resistors (ISOL configuration) for flexible circuit integration.
• Reliable Termination: Gull-wing leads for secure SMD soldering and mechanical strength.
• Wide Operating Range: Rated for -55°C to +125°C, suitable for industrial environments.

GQ8A011781FBT Applications

• Precision Analog Circuits: Voltage dividers, feedback networks, and sensor interfaces.
• Signal Processing: ADC/DAC reference networks, filter circuits, and impedance matching.
• Industrial Electronics: PLCs, instrumentation, and control systems requiring stable resistance.
• Telecommunications: RF modules and signal conditioning in base stations.
• Medical Devices: Low-noise, high-reliability applications like patient monitoring.

Conclusion of GQ8A011781FBT

The GQ8A011781FBT stands out for its precision, compactness, and isolation flexibility, making it ideal for applications demanding tight tolerances and thermal reliability. Its ceramic QSOP package and thin-film technology provide superior performance over standard thick-film networks, particularly in high-frequency or thermally variable environments. While not automotive-grade or RoHS-compliant, it excels in industrial, medical, and telecom systems where accuracy and durability are critical. Engineers will appreciate its balance of power handling, size, and electrical stability in space-constrained designs.