TT Electronics/IRC

GS4A021273FAT

GS4A021273FAT Description

The GS4A021273FAT from TT Electronics/IRC is a high-performance ceramic resistor network designed for precision applications. This 8-pin narrow SOIC device features four isolated thin-film resistors, each with a 127KΩ resistance and a tight ±1% absolute tolerance. The ±50ppm/°C temperature coefficient ensures stable performance across a wide operating range of -70°C to +125°C, making it suitable for demanding environments. With a 0.1W power rating per resistor (0.4W total) and a 100V maximum voltage rating, it balances power handling and compactness in a 4.9mm x 5.99mm x 1.45mm ceramic SOIC package. Its gull-wing termination and 1.27mm pitch facilitate reliable surface-mount assembly.

GS4A021273FAT Features

• Isolated Resistors: Four independent resistors (isolated design) for flexible circuit integration.
• Precision Tolerance: ±1% absolute tolerance and ±0.05% ratio tolerance for high-accuracy applications.
• Stable Performance: ±50ppm/°C TCR and 125°C maximum operating temperature ensure reliability under thermal stress.
• Robust Construction: Ceramic case enhances durability and thermal dissipation.
• Compact & Mountable: SOIC package (4.9mm length, 1.45mm height) with surface-mount gull-wing leads for space-constrained PCBs.
• Wide Voltage Range: Supports up to 100V, ideal for industrial and instrumentation circuits.

GS4A021273FAT Applications

This resistor network excels in:

• Precision Analog Circuits: Voltage dividers, feedback networks, and sensor interfaces requiring tight tolerance.
• Industrial Electronics: PLCs, motor controls, and power supplies where thermal stability is critical.
• Test & Measurement Equipment: Calibration circuits and signal conditioning due to low drift.
• Automotive & Aerospace (non-automotive grade): Non-safety-critical systems benefiting from ceramic robustness.
• Medical Devices: Isolated signal paths in diagnostic equipment.

Conclusion of GS4A021273FAT

The GS4A021273FAT stands out for its precision, isolation, and ceramic-based reliability, making it a superior choice for engineers needing stable, high-tolerance resistor networks. While not PPAP or automotive-qualified, its wide temperature range, low TCR, and compact SOIC footprint make it ideal for industrial, medical, and instrumentation designs where accuracy and durability are paramount. Its thin-film technology and 1% tolerance offer a competitive edge over thicker-film or less precise alternatives.