TT Electronics/IRC

GS4B022741GFT

GS4B022741GFT Description

The GS4B022741GFT from TT Electronics/IRC is a high-performance 7-resistor bussed network in an 8-pin narrow SOIC package, designed for precision applications requiring stable thin-film resistance. Encased in a ceramic substrate, it offers superior thermal stability with a ±50ppm/°C temperature coefficient and a 2% absolute tolerance (with ±1% ratio tolerance for matched pairs). The network features a 2.74KΩ resistance value per element, rated for 0.05W (1/20) per resistor (0.4W total), and operates across a wide temperature range of 70°C to 125°C (derated) with a maximum voltage rating of 100V. Its gull-wing termination and surface-mount design ensure reliable PCB integration, while the SOIC package (4.9mm x 5.99mm x 1.45mm) adheres to tight dimensional tolerances (±0.1mm height/length, ±0.2mm depth).

GS4B022741GFT Features

• Ceramic Construction: Enhances thermal dissipation and mechanical robustness compared to polymer-based networks.
• Bussed Topology: Simplifies circuit design by connecting resistors in a common bus configuration (designator: BUS).
• Thin-Film Technology: Delivers low noise and high stability, ideal for precision analog/digital circuits.
• High Power Density: 0.4W total power rating in a compact SOIC footprint.
• Automotive-Grade Alternatives: While this model is not PPAP or automotive-qualified, its 125°C max operating temp suits industrial and telecom applications.
• Non-RoHS Compliance: Note: EU RoHS non-compliant (may require alternative sourcing for regulated markets).

GS4B022741GFT Applications

• Voltage Divider Networks: Precision ratio tolerance (±1%) ensures accurate signal conditioning.
• Industrial Control Systems: Stable performance in harsh environments (e.g., motor drives, PLCs).
• Telecommunications: Low TCR (±50ppm/°C) minimizes drift in RF/mixed-signal PCBs.
• Test & Measurement Equipment: Thin-film technology reduces parasitic effects for high-frequency accuracy.
• Legacy Electronics Repair: Non-RoHS status makes it compatible with older designs requiring leaded components.

Conclusion of GS4B022741GFT

The GS4B022741GFT excels in precision, power efficiency, and thermal resilience, distinguishing itself from standard resistor arrays with its ceramic SOIC package and bussed architecture. While unsuitable for automotive or RoHS-mandated designs, it is a cost-effective solution for industrial, telecom, and instrumentation applications demanding tight tolerances and reliability. Engineers should evaluate its non-compliance status but can leverage its thin-film stability for critical circuits where performance outweighs regulatory constraints.