TT Electronics/IRC

GS4B028871CAT

GS4B028871CAT Description

The GS4B028871CAT from TT Electronics/IRC is a high-precision 7-resistor bussed network in an 8-pin narrow SOIC (SOIC-C) ceramic package. Designed for surface-mount applications, it features a thin-film technology construction, delivering exceptional stability with a ±50ppm/°C temperature coefficient and a tight absolute tolerance of ±0.25%. The network offers a resistance value of 8.87KΩ per resistor, with a ratio tolerance of ±0.05%, ensuring superior matching accuracy. Rated for 0.05W (1/20) per resistor and 0.4W total power dissipation, it operates reliably across a wide temperature range of -70°C to +125°C, making it suitable for demanding environments.

GS4B028871CAT Features

• Ceramic SOIC Package: Robust rectangular ceramic case (4.9mm x 5.99mm x 1.45mm) with gull-wing termination for secure SMT assembly.
• High Precision: ±0.25% absolute tolerance and ±0.05% ratio tolerance for critical analog circuits.
• Stable Performance: ±50ppm/°C TCR ensures minimal drift under thermal stress.
• Bussed Configuration: Simplified PCB layout with 7 resistors connected to a common bus.
• Wide Voltage Rating: Supports up to 100V maximum operating voltage.
• Reliable Power Handling: 0.4W total power rating with derating up to 125°C.
• Non-Automotive Grade: Ideal for industrial, telecom, and instrumentation applications.

GS4B028871CAT Applications

This resistor network excels in precision circuits requiring matched resistance values and low drift, such as:

• Voltage dividers in data acquisition systems.
• Reference networks for ADCs/DACs.
• Signal conditioning in medical and test equipment.
• Feedback networks in op-amp circuits.
• Industrial control systems where stability under thermal cycling is critical.

Conclusion of GS4B028871CAT

The GS4B028871CAT stands out for its ceramic-based durability, tight tolerances, and excellent thermal performance, making it a preferred choice for engineers designing high-reliability analog systems. While not PPAP or automotive-qualified, its precision and stability cater to industrial and professional electronics where component consistency is paramount. Its bussed architecture further simplifies design, reducing board space and assembly complexity. For applications demanding low TCR and high accuracy, this resistor network delivers unmatched value.