TT Electronics/IRC

GS4A021051JAT

GS4A021051JAT Description

The GS4A021051JAT 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 1.05 kΩ resistance and a ±5% absolute tolerance, ensuring reliable performance in demanding circuits. With a ±50 ppm/°C temperature coefficient, it offers excellent thermal stability, making it suitable for environments operating between 70°C to 125°C. The SOIC-C series construction provides robust mechanical integrity, while the gull-wing termination enables secure surface mounting. Rated for 100V maximum voltage and 0.1W power dissipation per resistor, this network is ideal for analog signal conditioning, voltage division, and isolation circuits.

GS4A021051JAT Features

• Isolated Resistors: Four independent resistors (1.05 kΩ each) with ±0.05% ratio tolerance for precise matching.
• High Thermal Stability: ±50 ppm/°C TCR ensures minimal drift across operating temperatures.
• Robust Construction: Ceramic substrate and SOIC package enhance durability and heat dissipation.
• Surface-Mount Design: Gull-wing leads (1.27 mm pitch) facilitate automated PCB assembly.
• Wide Operating Range: Functions reliably from -55°C to +125°C (derated power up to 125°C).
• Low Power Dissipation: 0.4W total power rating (0.1W per resistor) for energy-efficient designs.

GS4A021051JAT Applications

• Industrial Electronics: Precision voltage dividers in sensor interfaces and instrumentation.
• Automotive Systems: Signal isolation in non-safety-critical modules (non-automotive grade).
• Telecommunications: Impedance matching and termination in high-frequency circuits.
• Medical Devices: Stable resistance networks for diagnostic equipment (where RoHS compliance is not mandated).
• Power Management: Current limiting and feedback networks in DC-DC converters.

Conclusion of GS4A021051JAT

The GS4A021051JAT excels in applications demanding tight tolerance, thermal stability, and isolation. Its ceramic thin-film technology and SOIC packaging provide superior performance over standard epoxy-based networks, particularly in high-temperature or precision analog circuits. While not RoHS-compliant or automotive-grade, its ±0.05% ratio tolerance and low TCR make it a standout choice for industrial and telecom systems requiring long-term reliability. Engineers should consider this model for designs where resistance accuracy and minimal thermal drift are critical.