TT Electronics/IRC

GQ8A034221FAT

GQ8A034221FAT Description

The GQ8A034221FAT from TT Electronics/IRC is a high-performance 8-resistor thin film network designed for precision applications. Encased in a ceramic QSOP package, it offers 4.22KΩ 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 4.9mm × 6.02mm × 1.47mm footprint, making it ideal for space-constrained designs. Rated for 100V maximum voltage and 0.75W total power dissipation, it combines robustness with precision.

GQ8A034221FAT Features

• High Precision: Thin film technology delivers 1% tolerance and ±25ppm/°C TCR for stable performance in varying conditions.
• Robust Construction: Ceramic case enhances thermal and mechanical durability, suitable for harsh environments.
• Space-Efficient: QSOP-16 package with 0.64mm terminal pitch optimizes PCB real estate.
• Isolated Design: Circuit designator "ISOL" indicates isolated resistors, reducing crosstalk in sensitive circuits.
• Power Handling: 0.1W per resistor (0.75W total) supports moderate-power applications.
• Non-Automotive: Excludes PPAP, but excels in industrial, medical, and telecom systems.

GQ8A034221FAT Applications

• Signal Conditioning: Precision voltage dividers and feedback networks in op-amp circuits.
• Medical Electronics: Stable resistance for patient monitoring equipment and diagnostic devices.
• Telecom Infrastructure: Isolated termination in high-frequency communication modules.
• Test & Measurement: Calibration and sensor interfacing where low drift is critical.
• Industrial Controls: Harsh-environment applications due to ceramic encapsulation.

Conclusion of GQ8A034221FAT

The GQ8A034221FAT stands out for its precision, compactness, and isolation, making it a superior choice for high-reliability electronics. While not automotive-grade, its ceramic construction and thin film technology ensure longevity in industrial, medical, and telecom systems. Engineers will appreciate its balance of performance and space efficiency, particularly in designs demanding stable resistance under thermal stress.