TT Electronics/IRC

GQCB0278R7GDT

GQCB0278R7GDT Description

The GQCB0278R7GDT from TT Electronics/IRC is a high-performance thin-film resistor network designed for precision applications. This 23-resistor array features a 78.7Ω resistance value with a tight 2% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stable performance across a wide operating temperature range of -70°C to +125°C. Housed in a 24-pin QSOP ceramic package, it offers a 1W total power rating (0.05W per resistor) and a 100V maximum voltage rating, making it suitable for demanding circuit designs. The gull-wing termination and surface-mount design facilitate easy PCB integration, while its compact dimensions (8.66mm x 6.02mm x 1.47mm) save board space.

GQCB0278R7GDT Features

• Precision Thin Film Technology: Delivers high accuracy (±2%) and low TCR (±50ppm/°C) for stable performance.
• Robust Ceramic Package: Ensures durability and thermal stability in harsh environments.
• High-Density Integration: 23 resistors in a single QSOP package reduce component count and PCB footprint.
• Wide Operating Range: Functions reliably from -70°C to +125°C, ideal for industrial and automotive applications.
• Surface-Mount Gull Wing Terminations: Simplifies assembly and improves solder joint reliability.
• 1W Total Power Handling: Supports higher power dissipation compared to standard resistor networks.

GQCB0278R7GDT Applications

This resistor network excels in precision analog circuits, voltage dividers, and bus termination applications. Its low TCR and tight tolerance make it ideal for:

• Industrial Control Systems: Signal conditioning and sensor interfacing.
• Telecommunications Equipment: Impedance matching and line termination.
• Automotive Electronics: Engine control units (ECUs) and infotainment systems (though not PPAP-certified).
• Test & Measurement Devices: Calibration circuits and reference voltage networks.

Conclusion of GQCB0278R7GDT

The GQCB0278R7GDT stands out for its precision, compact design, and robust performance, making it a top choice for engineers seeking reliable resistor networks in space-constrained, high-temperature environments. While not RoHS-compliant or automotive-grade, its thin-film technology and ceramic construction ensure longevity and accuracy in industrial and telecom applications. For designs requiring high-density resistance arrays with low drift, this model offers an excellent balance of performance and cost-effectiveness.