TT Electronics/IRC

GS4A021780JDT

GS4A021780JDT Description

The GS4A021780JDT from TT Electronics/IRC is a high-performance ceramic resistor network designed for precision applications requiring stable resistance values under varying thermal conditions. This 8-pin narrow SOIC package features four isolated thin-film resistors, each with a resistance value of 178Ω and an absolute tolerance of ±5%. The device operates within a temperature range of 70°C to 125°C, delivering a power rating of 0.1W per resistor (0.4W total). Its ±50ppm/°C temperature coefficient ensures minimal resistance drift, making it suitable for environments with fluctuating thermal loads. The SOIC-C series construction provides robust mechanical stability, while the gull-wing termination facilitates reliable surface-mount assembly.

GS4A021780JDT Features

• High Precision: Thin-film technology ensures tight ratio tolerance (±0.5%) and low TCR (±50ppm/°C).
• Durable Construction: Ceramic case and rectangular SOIC package enhance thermal and mechanical resilience.
• Isolated Design: Four independent resistors (178Ω each) prevent crosstalk in multi-channel circuits.
• Wide Voltage Range: Supports up to 100V, ideal for industrial and automotive applications.
• Surface-Mount Ready: 1.27mm terminal pitch and 1.45mm profile enable compact PCB layouts.
• Stable Performance: Derated power handling up to 125°C ensures reliability in high-temperature environments.

GS4A021780JDT Applications

This resistor network excels in:

• Signal Conditioning: Precision voltage dividers in sensor interfaces (e.g., thermocouples, strain gauges).
• Industrial Controls: Feedback networks in motor drives and power supplies requiring low drift.
• Test & Measurement Equipment: Calibration circuits where ratio tolerance (±0.5%) is critical.
• Automotive Electronics: Non-AECQ-rated but suitable for non-safety-critical subsystems like infotainment.
• Medical Devices: Isolated resistor arrays in patient monitoring systems demanding long-term stability.

Conclusion of GS4A021780JDT

The GS4A021780JDT combines precision, durability, and thermal stability in a compact SOIC package, addressing challenges in high-accuracy analog designs. While not PPAP or automotive-qualified, its isolated thin-film resistors and low TCR make it a cost-effective choice for industrial, medical, and instrumentation applications. Engineers will appreciate its balance of performance and ease of integration, particularly in space-constrained, temperature-variable environments.