TT Electronics/IRC

GS4B028661FBT

GS4B028661FBT Description

The GS4B028661FBT from TT Electronics/IRC is a high-precision 7-resistor bussed network designed for demanding electronic applications. Housed in an 8-pin narrow SOIC (SOIC-C) ceramic package, it features a thin-film technology construction, delivering excellent stability and accuracy with a ±50ppm/°C temperature coefficient. The network offers a total resistance of 8.66KΩ with a tight ±1% absolute tolerance and an exceptional ±0.1% ratio tolerance, making it ideal for precision voltage division and signal conditioning. Rated for 100V maximum voltage and 0.4W total power dissipation, it operates reliably across a wide temperature range of -70°C to +125°C.

GS4B028661FBT Features

• Ceramic Case & Thin Film Technology: Ensures superior thermal performance and long-term stability in harsh environments.
• Bussed Network Design: Simplifies circuit layout with a common bus connection, reducing PCB complexity.
• High Precision: ±1% absolute tolerance and ±0.1% ratio tolerance for critical analog applications.
• Robust Construction: Gull-wing termination and surface-mount (SOIC) package enable secure PCB attachment.
• Wide Operating Range: Derated power handling up to 125°C, suitable for industrial and automotive-adjacent systems (though not PPAP/automotive-certified).
• Compact Dimensions: 4.9mm (L) × 5.99mm (D) × 1.45mm (H) with tight tolerances (±0.1mm height/length).

GS4B028661FBT Applications

This resistor network excels in:

• Precision Analog Circuits: Voltage dividers, feedback networks, and sensor signal conditioning.
• Industrial Control Systems: PLCs, instrumentation, and test equipment requiring stable resistance ratios.
• Power Management: Load sharing, current sensing, and bias networks in power supplies.
• Communications Equipment: RF modules and filtering circuits where low TCR (±50ppm/°C) minimizes drift.
• Medical Electronics: Diagnostic devices demanding high accuracy and reliability.

Conclusion of GS4B028661FBT

The GS4B028661FBT stands out for its ceramic-based durability, precision thin-film resistors, and compact SOIC footprint. While not automotive-grade, its wide temperature range and bussed design make it a versatile choice for industrial, medical, and communication systems. The tight ratio tolerance (±0.1%) is particularly valuable for matched-resistor applications, reducing calibration overhead. For engineers seeking a high-reliability, space-efficient resistor network, this model offers an optimal balance of performance and integration ease.