TT Electronics/IRC

GS4A021781FFT

GS4A021781FFT Description

The GS4A021781FFT from TT Electronics/IRC is a high-precision ceramic resistor network designed for demanding electronic applications. This 8-pin narrow SOIC device features four isolated thin-film resistors, each with a resistance value of 1.78KΩ and a tight ±1% absolute tolerance. The network operates over a wide temperature range of -70°C to +125°C, with a derated power range of 70°C to 125°C, ensuring reliable performance in harsh environments. With a ±50ppm/°C temperature coefficient, it offers excellent stability under thermal stress. The SOIC package (4.9mm x 5.99mm x 1.45mm) includes gull-wing terminations for easy surface-mount assembly, making it ideal for compact PCB designs.

GS4A021781FFT Features

• High Precision: ±1% absolute tolerance and ±1% ratio tolerance for accurate signal conditioning.
• Robust Construction: Ceramic case ensures durability and thermal stability.
• Isolated Resistors: Four independent 1.78KΩ resistors (0.1W each, 0.4W total) for flexible circuit design.
• Wide Voltage Range: Supports up to 100V, suitable for industrial and automotive (non-AEC-Q) applications.
• Low TCR: ±50ppm/°C minimizes resistance drift across temperature fluctuations.
• Surface-Mount Ready: Gull-wing terminals with 1.27mm pitch for automated assembly.
• Non-RoHS Compliant: Suitable for legacy or specialized systems requiring non-compliant materials.

GS4A021781FFT Applications

This resistor network excels in precision analog circuits, including:

• Voltage Dividers & Sensor Interfaces: Stable performance in measurement systems.
• Industrial Control Systems: Reliable operation in high-temperature environments.
• Medical Equipment: Low drift ensures accuracy in diagnostic devices.
• Telecommunications: Signal conditioning in RF and baseband circuits.
• Legacy Electronics: Ideal for repairs or upgrades where non-RoHS compliance is required.

Conclusion of GS4A021781FFT

The GS4A021781FFT combines precision, thermal resilience, and compact packaging, making it a standout choice for engineers needing reliable resistor networks in critical applications. Its isolated design, low TCR, and high voltage tolerance provide superior performance over generic arrays, particularly in industrial and instrumentation systems. While not PPAP or automotive-qualified, its ceramic construction and thin-film technology ensure long-term reliability in professional and high-reliability electronics.