TT Electronics/IRC

GS4B0278R7GFT

GS4B0278R7GFT Description

The GS4B0278R7GFT 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. With a 78.7Ω resistance value and a tight ±2% absolute tolerance, this ceramic-based network ensures reliable performance in demanding environments. Its ±50ppm/°C temperature coefficient and 125°C maximum operating temperature make it suitable for thermally challenging circuits. The SOIC-C series construction offers robust mechanical stability, while the gull-wing termination facilitates easy surface-mount assembly. Rated for 100V maximum voltage and 0.4W total power dissipation, it balances compactness (4.9mm × 5.99mm × 1.45mm) with durability.

GS4B0278R7GFT Features

• Precision Thin Film Technology: Delivers stable resistance with low TCR (±50ppm/°C) for minimal drift.
• Bussed Network Design: Simplifies PCB layout by connecting resistors in a common bus configuration (Circuit Designator: BUS).
• High-Temperature Resilience: Operates reliably from 70°C to 125°C with derated power handling.
• Compact SOIC Package: Space-saving 8-pin narrow SOIC (4.9mm × 5.99mm) with ±0.1mm length/height tolerances.
• Robust Ceramic Substrate: Enhances thermal and mechanical stability compared to polymer-based alternatives.
• Automotive-Grade Alternatives: While not PPAP/automotive-certified, its performance suits industrial and telecom applications.

GS4B0278R7GFT Applications

• Voltage Divider Networks: Ideal for precision analog circuits due to low tolerance (±2%) and ratio tolerance (±1%).
• Signal Conditioning: Used in sensor interfaces and ADC/DAC circuits where stability is critical.
• Power Management: Supports load-sharing designs in DC-DC converters or power supplies.
• Industrial Controls: Suitable for PLCs and motor drives requiring high-temperature operation.
• Telecom Infrastructure: Ensures signal integrity in RF modules and base station electronics.

Conclusion of GS4B0278R7GFT

The GS4B0278R7GFT excels in applications demanding precision, thermal resilience, and compactness. Its ceramic substrate, thin-film technology, and bussed design offer distinct advantages over generic resistor arrays, particularly in environments with fluctuating temperatures or space constraints. While not RoHS-compliant or automotive-grade, its 2% tolerance and 50ppm/°C TCR make it a cost-effective choice for industrial, telecom, and instrumentation designs. Engineers seeking a reliable, high-density resistor network will find this model a compelling solution.