TT Electronics/IRC

GQ8A031781FBT

GQ8A031781FBT Description

The GQ8A031781FBT from TT Electronics/IRC is a high-precision 8-resistor thin film network designed for demanding isolation and signal conditioning applications. Encased in a ceramic QSOP package, it offers a 1.78KΩ resistance per resistor with a tight 1% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stability across a wide operating temperature range of 70°C to 125°C. The device features 16 gull-wing terminals for surface-mount assembly, with a compact footprint of 4.9mm (L) × 6.02mm (D) × 1.47mm (H) and a 0.64mm terminal pitch, making it suitable for high-density PCB designs. Rated for 0.1W per resistor (0.75W total), it supports 100V maximum voltage, ideal for precision analog and digital circuits.

GQ8A031781FBT Features

• Isolation-Centric Design: Labeled "ISOL", it ensures minimal crosstalk between resistors, critical for noise-sensitive applications.
• Ceramic QSOP Package: Enhances thermal performance and durability compared to plastic alternatives.
• Thin Film Technology: Delivers superior accuracy (±25ppm/°C) and long-term reliability.
• High Power Density: 0.75W total power rating in a compact form factor, outperforming similar networks with lower wattage.
• Automotive-Grade Alternatives: While not PPAP/Automotive-certified, its 125°C max temperature suits industrial and telecom environments.
• Non-RoHS Compliance: Suitable for legacy or specialized systems requiring leaded components.

GQ8A031781FBT Applications

• Signal Isolation: Precision ADC/DAC reference dividers, sensor interfaces.
• Voltage Division: Feedback networks in power supplies or op-amp circuits.
• Medical/Test Equipment: High-stability resistor arrays for calibration modules.
• Telecom Infrastructure: Line termination, impedance matching in RF/high-speed PCBs.
• Industrial Controls: PLCs, motor drives where temperature stability is critical.

Conclusion of GQ8A031781FBT

The GQ8A031781FBT excels in precision, thermal resilience, and space efficiency, distinguishing itself from generic resistor networks. Its ceramic construction, isolation-focused design, and thin film technology make it a top choice for engineers prioritizing signal integrity in harsh environments. While not RoHS-compliant, it remains indispensable for legacy or high-reliability systems requiring unmatched performance in compact SMD packages.