TT Electronics/IRC

GS7A0138R3JDT

GS7A0138R3JDT Description

The GS7A0138R3JDT from TT Electronics/IRC is a high-performance ceramic resistor network designed for precision applications requiring stable resistance values under varying thermal conditions. Housed in a 14-pin narrow SOIC package, this 7-resistor isolated network features a 38.3Ω resistance per element with an absolute tolerance of ±5% and a ratio tolerance of ±0.5%, ensuring consistent performance in matched circuits. Its thin-film technology and ±100ppm/°C temperature coefficient provide excellent stability across a wide operating range of -70°C to +125°C, making it suitable for demanding environments. The SOIC-C series construction offers robust ceramic encapsulation for enhanced durability and thermal dissipation.

GS7A0138R3JDT Features

• Isolated Circuit Design: Each of the 7 resistors is electrically isolated, enabling flexible circuit configurations.
• High Power Handling: 0.1W per resistor (0.7W total) with derating up to 125°C, ideal for power-sensitive designs.
• Precision Tolerance: ±5% absolute and ±0.5% ratio tolerance for matched resistance pairs in differential circuits.
• Robust Construction: Ceramic case ensures low thermal resistance and high reliability in harsh conditions.
• Surface-Mount Gull Wing Terminals: 1.27mm pitch for compatibility with standard SOIC PCB layouts.
• Wide Voltage Rating: Supports up to 100V, suitable for industrial and automotive-grade applications (though not PPAP/automotive certified).

GS7A0138R3JDT Applications

This resistor network excels in:

• Analog Signal Conditioning: Precision voltage dividers and feedback networks in op-amp circuits.
• Medical Electronics: Isolated sensor interfaces where thermal drift must be minimized.
• Industrial Control Systems: High-voltage signal isolation in PLCs and motor drives.
• Test & Measurement Equipment: Stable reference resistors for calibration instruments.
• Aerospace & Defense: Ruggedized electronics requiring ceramic-packaged components.

Conclusion of GS7A0138R3JDT

The GS7A0138R3JDT stands out for its ceramic-encapsulated isolation, tight tolerance matching, and wide temperature resilience, making it a superior choice for precision analog designs. While not automotive-qualified, its thin-film stability and high-voltage capability cater to industrial, medical, and aerospace applications where reliability is critical. Engineers seeking a low-drift, high-density resistor network will find this model optimally balanced for performance and durability.