TT Electronics/IRC

GS4A0249R9FT

GS4A0249R9FT Description

The GS4A0249R9FT 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 49.9Ω resistance and a tight ±1% tolerance. The network operates over a wide temperature range (70°C to 125°C) with a low temperature coefficient of ±50ppm/°C, ensuring stability under varying thermal conditions. Encased in a rectangular SOIC package, it offers a compact footprint (4.9mm × 5.99mm × 1.45mm) with gull-wing terminations for reliable surface-mount assembly. Rated for 100V maximum voltage and 0.1W power dissipation per resistor, it is ideal for high-density PCB designs requiring consistent performance.

GS4A0249R9FT Features

• Isolated Circuit Design: Four independent resistors prevent crosstalk, suitable for signal isolation.
• Precision Thin-Film Technology: Delivers ±1% tolerance and ±50ppm/°C TCR for accuracy in critical circuits.
• Robust Ceramic Package: Enhances thermal and mechanical durability compared to polymer-based networks.
• Surface-Mount Gull Wing Terminals: Ensures secure PCB attachment with a 1.27mm pitch for automated assembly.
• Wide Operating Range: Functions reliably from 70°C to 125°C, derated for high-temperature environments.
• Low Power Dissipation: 0.4W total power rating (0.1W per resistor) balances performance and energy efficiency.

GS4A0249R9FT Applications

This resistor network excels in:

• Analog Signal Conditioning: Precision voltage dividers and feedback networks in op-amp circuits.
• Industrial Control Systems: Isolated sensor interfaces and PLC modules requiring stable resistance.
• Medical Electronics: Patient monitoring equipment where component reliability is critical.
• Automotive Subsystems (non-AECQ): Non-safety-critical functions like infotainment or lighting control.
• Test & Measurement Equipment: Calibration circuits demanding low drift over temperature.

Conclusion of GS4A0249R9FT

The GS4A0249R9FT stands out for its isolation, precision, and ceramic construction, making it a superior choice over plastic-encased networks in harsh environments. While not PPAP or automotive-qualified, its thin-film technology and tight tolerances cater to industrial and medical applications where accuracy and longevity are paramount. Its compact SOIC package aligns with space-constrained designs, offering a reliable solution for engineers prioritizing performance in analog and mixed-signal systems.