TT Electronics/IRC

GQ0A0278R7FDT

GQ0A0278R7FDT Description

The GQ0A0278R7FDT from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding electronic applications. This 20-pin QSOP package integrates 10 isolated resistors, each with a 78.7Ω resistance and a tight 1% tolerance, ensuring consistent performance in precision circuits. The device operates over a wide temperature range of 70°C to 125°C with a derated power rating, making it suitable for environments with thermal fluctuations. Its ceramic case and gull-wing termination provide robust mechanical stability and reliable surface-mount compatibility. With a ±50ppm/°C temperature coefficient and a maximum voltage rating of 100V, this network offers excellent stability and durability in high-voltage applications.

GQ0A0278R7FDT Features

• High Precision: 1% tolerance and ±50ppm/°C TCR ensure minimal drift in critical circuits.
• Robust Construction: Ceramic substrate enhances thermal and mechanical resilience.
• Isolated Design: 10 independent resistors (ISOL configuration) prevent cross-talk in multi-channel systems.
• Space-Efficient: Compact QSOP package (8.66mm × 6.02mm × 1.47mm) optimizes board real estate.
• Reliable Termination: Gull-wing leads facilitate secure soldering and inspection.
• Power Handling: 0.1W per resistor (1W total) supports moderate power dissipation.

GQ0A0278R7FDT Applications

This resistor network is ideal for:

• Analog Signal Conditioning: Precision voltage dividers and feedback networks in op-amp circuits.
• Industrial Controls: Isolated measurement systems requiring stable resistance values.
• Medical Electronics: High-reliability instrumentation where consistency is critical.
• Automotive Subsystems (non-Automotive PPAP): Sensor interfaces and ECU signal processing.
• Test & Measurement Equipment: Calibration circuits demanding low TCR and tight tolerances.

Conclusion of GQ0A0278R7FDT

The GQ0A0278R7FDT stands out for its precision, isolation, and rugged ceramic construction, making it a superior choice for engineers designing high-performance analog systems. Its combination of thin-film technology, tight tolerances, and compact form factor addresses challenges in space-constrained, thermally variable environments. While not PPAP-compliant for automotive use, it excels in industrial, medical, and instrumentation applications where reliability and accuracy are paramount.