TT Electronics/IRC

GS4A021273FT

GS4A021273FT Description

The GS4A021273FT from TT Electronics/IRC is a high-performance 4-resistor isolated network designed for precision applications. Housed in an 8-pin narrow SOIC ceramic package, it features 127KΩ thin-film resistors with a tight ±1% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stability across a wide operating range of -55°C to +125°C. With a 0.1W power rating per resistor (0.4W total) and a 100V maximum voltage rating, this component is engineered for reliability in demanding circuits. Its gull-wing termination and surface-mount design facilitate easy PCB integration, while the ceramic case enhances thermal and mechanical durability.

GS4A021273FT Features

• Precision Performance: Thin-film technology delivers ±1% tolerance and ±50ppm/°C TCR for stable resistance under thermal stress.
• Robust Construction: Ceramic SOIC package ensures high thermal conductivity and mechanical strength.
• Isolated Design: Four independent resistors (non-bussed) enable flexible circuit configurations.
• Space-Efficient: Compact 4.9mm × 5.99mm × 1.45mm footprint with 1.27mm pitch for high-density layouts.
• Wide Operating Range: Derated power up to 125°C, suitable for industrial environments.
• Surface-Mount Ready: Gull-wing leads simplify automated assembly processes.

GS4A021273FT Applications

This resistor network excels in precision analog and digital systems, including:

• Signal Conditioning: Voltage dividers, feedback networks in op-amp circuits.
• Industrial Controls: PLCs, sensor interfaces requiring stable resistance.
• Test & Measurement Equipment: Calibration circuits, precision attenuators.
• Power Management: Current sensing, load balancing in DC/DC converters.
• Automotive Electronics (non-AECQ): Non-safety-critical modules like infotainment systems.

Conclusion of GS4A021273FT

The GS4A021273FT combines precision, durability, and compactness, making it ideal for applications demanding tight tolerance and thermal stability. Its ceramic SOIC package and isolated design offer superior performance over plastic-encased networks, particularly in high-temperature or vibration-prone environments. While not PPAP or automotive-qualified, it remains a cost-effective solution for industrial and instrumentation designs. Engineers will appreciate its balance of accuracy, power handling, and space savings in complex PCB layouts.