TT Electronics/IRC

GQ8B0278R7GDT

GQ8B0278R7GDT Description

The GQ8B0278R7GDT from TT Electronics/IRC is a high-precision thin-film resistor network designed for surface-mount applications. It features 15 resistors in a 16-pin QSOP (Ceramic) package, each with a 78.7Ω resistance and a tight 2% tolerance. The network operates within a wide temperature range of 70°C to 125°C (derated) and delivers a total power rating of 0.75W (3/4W), with 0.05W (1/20W) per resistor. Its ±50ppm/°C temperature coefficient ensures stability in varying thermal conditions, while the 100V maximum voltage rating makes it suitable for robust circuit designs.

GQ8B0278R7GDT Features

• Ceramic QSOP Package: Offers superior thermal performance and mechanical durability compared to plastic alternatives.
• Thin-Film Technology: Provides low noise, high accuracy, and excellent long-term stability.
• Gull Wing Termination: Ensures reliable surface-mount (SMD) compatibility for automated assembly.
• BUS Circuit Designator: Optimized for bus termination, pull-up/pull-down networks, and voltage division.
• Precision Tolerance: 2% resistance tolerance and ±50ppm/°C TCR for critical analog/digital applications.
• Compact Dimensions: 4.9mm (L) × 6.02mm (D) × 1.47mm (H) with tight tolerances (±0.1mm height/length).

GQ8B0278R7GDT Applications

This resistor network is ideal for:

• High-Speed Digital Circuits: Bus termination in FPGA, ASIC, and memory interfaces to reduce signal reflections.
• Precision Analog Systems: Voltage dividers, feedback networks, and sensor conditioning circuits.
• Automotive & Industrial Electronics: Despite not being PPAP/Automotive-qualified, its 125°C max operating temperature suits harsh environments.
• Test & Measurement Equipment: Stable performance in calibration and signal processing modules.

Conclusion of GQ8B0278R7GDT

The GQ8B0278R7GDT stands out for its ceramic thin-film construction, precision tolerances, and compact QSOP footprint, making it a reliable choice for high-density, high-performance PCB designs. While not RoHS-compliant, its thermal resilience and low TCR cater to demanding applications in telecommunications, computing, and industrial systems. Engineers seeking repeatable accuracy in resistor networks will benefit from its balanced power handling and space-saving profile.