TT Electronics/IRC

GS4B0191R0DCT

GS4B0191R0DCT Description

The GS4B0191R0DCT 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 91Ω resistance per element with an ultra-tight ±0.5% tolerance and a ±100ppm/°C temperature coefficient, ensuring stability across a wide operating range of -55°C to +125°C. Rated for 0.4W total power dissipation (0.05W per resistor), it supports 100V maximum voltage, making it suitable for demanding analog and digital circuits. The gull-wing termination and 1.27mm pitch facilitate reliable PCB assembly, while its compact dimensions (4.9mm x 5.99mm x 1.45mm) optimize space efficiency.

GS4B0191R0DCT Features

• Precision Thin Film Technology: Delivers low noise and high accuracy (±0.5%) for critical signal conditioning.
• Robust Ceramic Construction: Enhances thermal performance and durability in harsh environments.
• BUS Circuit Design: Simplifies PCB layout for bus termination, voltage division, and pull-up/down networks.
• Wide Temperature Range: Operates reliably from -55°C to +125°C, with derated power up to 125°C.
• Automotive-Grade Alternatives: While not PPAP-certified, its 125°C rating suits industrial and telecom applications.
• Non-RoHS Compliance: Ideal for legacy systems requiring leaded components.

GS4B0191R0DCT Applications

• Voltage Divider Networks: Precision attenuation in sensor interfaces and ADCs.
• Bus Termination: Impedance matching for high-speed digital lines (e.g., SPI, I²C).
• Pull-Up/Down Resistor Arrays: Simplifies logic level stabilization in microcontrollers.
• Industrial Control Systems: Stable performance in motor drives and PLCs.
• Test & Measurement Equipment: Low-drift resistance for calibration circuits.

Conclusion of GS4B0191R0DCT

The GS4B0191R0DCT excels in high-reliability applications demanding tight tolerance, thermal stability, and compact packaging. Its ceramic SOIC design and thin film technology provide superior performance over standard thick-film networks, particularly in precision analog and high-frequency digital systems. While not automotive-qualified, its 125°C capability and non-RoHS compliance make it a versatile choice for industrial, aerospace, and legacy electronics. Engineers will value its balance of precision, power handling, and space savings in densely populated PCBs.