TT Electronics/IRC

GS4A0390R9JCT

GS4A0390R9JCT Description

The GS4A0390R9JCT from TT Electronics/IRC is a high-precision ceramic resistor network designed for demanding surface-mount applications. Housed in an 8-pin narrow SOIC package, this device features four isolated thin-film resistors, each with a 90.9Ω resistance and a ±5% absolute tolerance. The network boasts a ±25ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range (70°C to 125°C). With a 0.1W power rating per resistor (0.4W total) and a 100V maximum voltage rating, it is engineered for reliability in precision circuits. The SOIC-C series construction offers robust ceramic encapsulation, enhancing thermal and mechanical stability.

GS4A0390R9JCT Features

• Isolated Resistors: Four independent 90.9Ω resistors with ±0.25% ratio tolerance, ideal for differential signal processing.
• High Stability: ±25ppm/°C TCR and ceramic case ensure minimal drift under thermal stress.
• Compact & Robust: 4.9mm × 5.99mm × 1.45mm footprint with gull-wing terminals for secure SMT assembly.
• Wide Operating Range: Rated for 125°C maximum temperature, suitable for industrial environments.
• Precision Tolerance: Combines ±5% absolute and ±0.25% ratio tolerances for matched-resistor applications.

GS4A0390R9JCT Applications

This resistor network excels in:

• Analog Signal Conditioning: Precision voltage dividers in sensor interfaces.
• Medical Electronics: Isolated feedback networks in diagnostic equipment.
• Industrial Controls: Stable reference circuits in PLCs and motor drives.
• Test & Measurement: High-accuracy instrumentation requiring matched resistances.
• Aerospace & Defense: Reliable performance in harsh environments due to ceramic encapsulation.

Conclusion of GS4A0390R9JCT

The GS4A0390R9JCT stands out for its exceptional thermal stability, precision tolerances, and rugged ceramic package. Its isolated thin-film resistors make it a superior choice for applications demanding matched performance and long-term reliability. While not RoHS-compliant, its industrial-grade specifications cater to specialized sectors like aerospace, medical, and high-precision analog systems. Engineers will value its balance of compactness, power handling, and drift resistance in critical designs.