TT Electronics/IRC

GS4A034421JFT

GS4A034421JFT Description

The GS4A034421JFT from TT Electronics/IRC is a high-performance 4-resistor isolated network in an 8-pin narrow SOIC package, designed for precision applications requiring stable resistance values under varying thermal conditions. Encased in a ceramic substrate, this thin-film resistor network offers a 4.42KΩ resistance per element with an absolute tolerance of ±5% and a ratio tolerance of ±1%, ensuring consistent performance in differential signal processing. Rated for 0.1W (1/10W) per resistor (0.4W total), it operates across a wide temperature range of 70°C to 125°C with a low temperature coefficient of ±25ppm/°C, minimizing drift. The 100V maximum voltage rating and gull-wing termination make it suitable for surface-mount PCB designs requiring compact, reliable passive components.

GS4A034421JFT Features

• Isolated Circuit Design: Each of the 4 resistors is electrically isolated, enabling independent signal paths.
• Ceramic Construction: Enhances thermal stability and durability compared to polymer-based networks.
• Precision Thin Film: Delivers ±25ppm/°C TCR and ±5% tolerance, ideal for analog signal conditioning.
• SOIC Package: Compact 4.9mm × 5.99mm footprint with 1.27mm terminal pitch, compatible with automated assembly.
• High-Temperature Operation: Reliable performance up to 125°C, suited for industrial environments.
• Non-Automotive (PPAP No): Optimized for general electronics, not automotive-grade.

GS4A034421JFT Applications

• Analog Signal Processing: Voltage dividers, gain networks in op-amp circuits.
• Medical Electronics: Patient monitoring systems requiring stable resistance ratios.
• Test & Measurement Equipment: Precision calibration tools with low thermal drift.
• Industrial Controls: Isolated feedback networks in motor drives or power supplies.
• Communication Systems: Impedance matching in RF modules or data converters.

Conclusion of GS4A034421JFT

The GS4A034421JFT excels in applications demanding high stability, isolation, and compact form factors. Its ceramic substrate, thin-film technology, and tight tolerance make it a superior choice over standard thick-film networks, particularly where thermal performance and signal integrity are critical. While not RoHS-compliant, it remains a robust solution for industrial, medical, and precision instrumentation designs. Engineers should verify its unconfirmed status with TT Electronics for production use.