TT Electronics/IRC

GS4B022490DBT

GS4B022490DBT Description

The GS4B022490DBT from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding electronic applications. This 7-resistor array features a 249 Ohm resistance value with a tight 0.5% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range of 70°C to 125°C. Encased in a ceramic SOIC package, it offers excellent thermal stability and reliability. The 0.4W total power rating (0.05W per resistor) and 100V maximum voltage rating make it suitable for precision analog and digital circuits. Its 8-pin gull-wing SMD termination ensures easy surface mounting, while the tube packaging protects components during handling and assembly.

GS4B022490DBT Features

• Precision Thin Film Technology: Delivers high accuracy (±0.5%) and low TCR (±50ppm/°C).
• Robust Ceramic Construction: Enhances thermal performance and durability.
• Compact SOIC-8 Package: Saves board space with 4.9mm x 5.99mm x 1.45mm dimensions.
• High Power Handling: 0.4W total (0.05W per resistor) for distributed load applications.
• Wide Operating Range: Stable from -55°C to +125°C (derated above 70°C).
• Automotive-Grade Alternatives: While this model is not PPAP or automotive-qualified, similar variants exist for harsher environments.

GS4B022490DBT Applications

Ideal for:

• Precision Voltage Dividers in test equipment and sensor interfaces.
• Signal Conditioning Circuits for ADCs/DACs in industrial controls.
• Bus Termination Networks (designated by "BUS" circuit role) in high-speed digital systems.
• Medical Devices: Where low drift and reliability are critical.
• Aerospace & Defense: Non-compliant with EU RoHS, but suitable for exempted legacy systems.

Conclusion of GS4B022490DBT

The GS4B022490DBT excels in applications requiring tight tolerance, low thermal drift, and compact form factors. Its ceramic SOIC package and thin-film technology provide superior performance over carbon or thick-film alternatives. While not suited for automotive use, it’s a cost-effective solution for industrial, medical, and precision instrumentation. Engineers will appreciate its balance of accuracy, power handling, and space efficiency in complex PCB designs.