TT Electronics/IRC

GS4B014121JFT

GS4B014121JFT Description

The GS4B014121JFT from TT Electronics/IRC is a high-reliability 7-resistor bussed network in an 8-pin narrow SOIC package, designed for precision circuit applications. Built with ceramic substrate and thin-film technology, it delivers stable performance with a 4.12KΩ resistance per element, ±5% absolute tolerance, and ±1% ratio tolerance. The device operates over a wide temperature range (-70°C to +125°C) and features a ±100ppm/°C temperature coefficient, ensuring minimal drift in demanding environments. With a 100V maximum voltage rating and 0.4W total power dissipation, it balances compactness (4.9mm × 5.99mm × 1.45mm) with robust performance.

GS4B014121JFT Features

• Ceramic Case & Thin Film: Enhances thermal stability and durability.
• Bussed Network (7 Resistors): Simplifies PCB layout for bus line applications.
• Precision Tolerance: ±5% absolute, ±1% ratio tolerance for matched performance.
• High-Temp Operation: Rated for 125°C with derated power up to 70°C.
• Low TCR (±100ppm/°C): Minimizes resistance drift under thermal stress.
• Gull Wing Termination: Ensures reliable surface-mount (SMD) connectivity.
• Compact SOIC Package: Ideal for space-constrained designs.

GS4B014121JFT Applications

This resistor network excels in:

• Voltage Divider Circuits: Precision ratio tolerance ensures accurate signal conditioning.
• Bus Line Termination: Bussed design reduces component count in digital systems.
• Industrial Electronics: Withstands harsh environments (e.g., motor controls, PLCs).
• Automotive (Non-Automotive Rated): Auxiliary systems requiring stable resistance.
• Test & Measurement Equipment: Low TCR critical for calibration stability.

Conclusion of GS4B014121JFT

The GS4B014121JFT combines ceramic robustness, thin-film precision, and compact packaging to address challenges in high-density, high-reliability circuits. Its bussed architecture and tight tolerance make it superior to generic arrays for bus termination and matched impedance applications. While not PPAP or automotive-qualified, it remains a cost-effective solution for industrial, telecom, and instrumentation designs demanding stable performance under thermal and electrical stress.