TT Electronics/IRC

GS4A0390R9JFT

GS4A0390R9JFT Description

The GS4A0390R9JFT from TT Electronics/IRC is a high-performance ceramic resistor network designed for precision applications requiring stable resistance values and robust thermal performance. This 8-pin narrow SOIC package features four isolated thin-film resistors, each with a resistance value of 90.9Ω and a tight absolute tolerance of ±5% (with ratio tolerance of ±1%). The device operates over a wide temperature range of -70°C to +125°C, making it suitable for harsh environments. Its ±25ppm/°C temperature coefficient ensures minimal resistance drift, while the 100V maximum voltage rating and 0.1W power rating per resistor (0.4W total) provide reliable operation in demanding circuits.

GS4A0390R9JFT Features

• Ceramic substrate for superior thermal stability and durability.
• Thin-film technology delivers high precision and low noise.
• Isolated resistor elements (4 resistors) for flexible circuit design.
• Gull-wing termination ensures secure surface-mount attachment (SOIC package).
• Tight tolerances: ±5% absolute, ±1% ratio tolerance for matched performance.
• Low TCR (±25ppm/°C) minimizes resistance variation with temperature.
• Compact dimensions: 4.9mm (L) x 5.99mm (D) x 1.45mm (H), ideal for space-constrained PCBs.
• Non-automotive grade (PPAP: No), suited for industrial and commercial applications.

GS4A0390R9JFT Applications

This resistor network excels in precision analog and digital circuits, including:

• Signal conditioning in instrumentation and sensor interfaces.
• Voltage dividers and impedance matching in communication systems.
• Feedback networks for amplifiers and ADCs/DACs.
• Medical electronics where stability and low drift are critical.
• Industrial control systems requiring robust performance under thermal stress.

Conclusion of GS4A0390R9JFT

The GS4A0390R9JFT stands out for its ceramic construction, isolated thin-film resistors, and exceptional thermal stability, making it a reliable choice for precision applications. While not RoHS-compliant, its low TCR, tight tolerances, and compact SOIC footprint offer significant advantages over standard resistor arrays. Ideal for engineers seeking high accuracy and durability in industrial, medical, and communication systems, this component delivers consistent performance even in challenging operating conditions.