TT Electronics/IRC

GS4B022870CT

GS4B022870CT Description

The GS4B022870CT from TT Electronics/IRC is a high-precision 7-resistor bussed network in an 8-pin narrow SOIC (SOIC-C) ceramic package. Designed for surface-mount applications, it features a 287Ω resistance per element with an exceptional ±0.25% absolute tolerance and a low ±50ppm/°C temperature coefficient, ensuring stability across a wide operating range of -70°C to +125°C. The thin-film technology delivers superior accuracy and reliability, while the 0.4W total power rating (0.05W per resistor) and 100V maximum voltage rating make it suitable for demanding circuits. Its gull-wing termination and 1.27mm terminal pitch facilitate easy PCB integration.

GS4B022870CT Features

• Ceramic SOIC Package: Robust construction with ±0.1mm length/height and ±0.2mm depth tolerances for consistent mounting.
• Bussed Network Design: Simplifies PCB layout by connecting resistors in a shared configuration (BUS).
• High Precision: 0.25% tolerance and ±50ppm/°C TCR for critical analog/digital signal conditioning.
• Wide Temperature Range: Derated power operation up to 125°C, ideal for industrial environments.
• Thin-Film Technology: Low noise and stable performance vs. thick-film alternatives.
• Automotive-Grade Alternatives: While this model is not PPAP/automotive-certified, its reliability suits industrial controls, test equipment, and telecom systems.

GS4B022870CT Applications

• Voltage Dividers & Pull-Up Networks: Precision bias circuits in ADCs, DACs, and sensor interfaces.
• Signal Conditioning: Stable termination for high-speed data lines (e.g., LVDS, USB).
• Power Management: Current-limiting or feedback networks in DC-DC converters.
• Industrial Electronics: PLC I/O modules, motor drives, and instrumentation requiring tight tolerance.
• Aerospace & Defense: Non-RoHS version (check compliance) for legacy systems needing ceramic reliability.

Conclusion of GS4B022870CT

The GS4B022870CT excels in precision, thermal stability, and compact integration, distinguishing it from generic resistor arrays. Its ceramic SOIC package and bussed architecture reduce board space while maintaining performance in harsh environments. Though not automotive-qualified, it’s a cost-effective solution for high-reliability industrial and communication systems demanding tight tolerances and low drift. Engineers should verify EU RoHS compliance for regulated markets.