TT Electronics/IRC

GS4B034991GFT

GS4B034991GFT Description

The GS4B034991GFT from TT Electronics/IRC is a high-performance 7-resistor bussed network in an 8-pin narrow SOIC package. Designed with thin-film technology on a ceramic substrate, it offers a 4.99KΩ resistance per element with a tight ±2% absolute tolerance and ±1% ratio tolerance. The device operates over a wide temperature range (-70°C to +125°C) and features a low temperature coefficient of ±25ppm/°C, ensuring stability in demanding environments. With a 0.4W total power rating (0.05W per resistor) and 100V maximum voltage rating, it is suited for precision analog and digital circuits. The gull-wing termination and surface-mount design facilitate automated assembly, while the SOIC package ensures compatibility with standard PCB layouts.

GS4B034991GFT Features

• Bussed Network Topology: Simplifies circuit design by interconnecting resistors, reducing external wiring.
• High Precision: ±2% absolute tolerance and ±25ppm/°C TCR for reliable performance in precision applications.
• Robust Construction: Ceramic case and thin-film technology provide excellent thermal and mechanical stability.
• Space-Efficient: Compact 4.9mm × 5.99mm × 1.45mm footprint ideal for high-density PCBs.
• Automation-Friendly: Gull-wing leads and 1.27mm terminal pitch enable seamless pick-and-place assembly.
• Wide Operating Range: Derated power up to 125°C, making it suitable for industrial and automotive-adjacent applications (though not PPAP/automotive-certified).

GS4B034991GFT Applications

• Voltage Divider Networks: Precision dividers in sensor interfaces or ADC/DAC circuits.
• Signal Conditioning: Pull-up/pull-down resistor arrays in digital communication lines (I²C, SPI).
• Industrial Controls: Stable resistance in harsh environments (e.g., motor drives, power supplies).
• Test & Measurement Equipment: Low-drift performance for calibration and reference circuits.
• Consumer Electronics: Space-constrained designs requiring reliable passive networks.

Conclusion of GS4B034991GFT

The GS4B034991GFT excels in applications demanding precision, thermal stability, and compactness. Its bussed configuration reduces component count, while the ceramic SOIC package ensures durability. Though not automotive-grade, its wide temperature range and low TCR make it a versatile choice for industrial, instrumentation, and high-reliability consumer electronics. Engineers will appreciate its balance of performance, size, and cost-effectiveness in optimized circuit designs.