TT Electronics/IRC

GS4B031871FAT

GS4B031871FAT Description

The GS4B031871FAT from TT Electronics/IRC is a high-precision 7-resistor thin-film network designed for surface-mount applications. Encased in a ceramic SOIC-8 package, it offers a 1.87KΩ resistance per resistor with a tight 1% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stability across a wide operating range of -70°C to +125°C. With a 0.4W total power rating (0.05W per resistor) and a 100V maximum voltage rating, this component is engineered for reliability in demanding circuits. Its gull-wing termination and 1.27mm pitch facilitate easy PCB integration, while the ceramic substrate enhances thermal performance and durability.

GS4B031871FAT Features

• Precision Thin Film Technology: Delivers low noise and high accuracy (±1%) for sensitive analog/digital circuits.
• Robust Ceramic Package: Superior heat dissipation and mechanical strength compared to polymer-based arrays.
• Wide Temperature Range: Stable performance from -70°C to +125°C, even at derated power (70–125°C).
• Compact SOIC-8 Form Factor: 4.9mm × 5.99mm footprint with a 1.45mm profile, ideal for space-constrained designs.
• BUS Circuit Designator: Optimized for bus termination, voltage division, or pull-up/down networks in multi-channel systems.
• Non-Automotive (PPAP No): Suitable for industrial, telecom, and instrumentation applications where EU RoHS compliance is not critical.

GS4B031871FAT Applications

• Signal Conditioning: Precision resistor networks for ADC/DAC reference circuits or sensor interfaces.
• Bus Termination: Matched impedance networks for high-speed data lines (e.g., SPI, I²C) to reduce reflections.
• Power Management: Voltage dividers in DC-DC converters or feedback loops requiring tight tolerance.
• Test & Measurement Equipment: Stable resistance values for calibration circuits or precision attenuators.
• Industrial Controls: Robust performance in PLC modules or motor drive systems with fluctuating temperatures.

Conclusion of GS4B031871FAT

The GS4B031871FAT stands out for its ceramic-encased thin-film design, combining precision, thermal resilience, and compactness. While not RoHS-compliant, it excels in industrial and telecom environments where reliability under thermal stress is paramount. Its 1.87KΩ BUS configuration and SOIC-8 package make it a versatile choice for engineers prioritizing signal integrity and power efficiency in dense PCB layouts. For non-automotive applications demanding long-term stability, this resistor network is a compelling solution.