TT Electronics/IRC

GS4B021870DCT

GS4B021870DCT Description

The GS4B021870DCT from TT Electronics/IRC is a high-precision 7-resistor thin film network designed for demanding circuit applications. Encased in a ceramic SOIC-8 package, it offers a 187Ω resistance per element with an ultra-tight ±0.5% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stability across a wide operating range of -70°C to +125°C. Rated for 0.4W total power dissipation (0.05W per resistor) and 100V maximum voltage, this surface-mount network features gull-wing terminations with a 1.27mm pitch for reliable PCB integration. Its ceramic substrate enhances thermal performance, while the rectangular SOIC package (4.9mm x 5.99mm x 1.45mm) suits space-constrained designs.

GS4B021870DCT Features

• Precision Thin Film Technology: Delivers low noise and high stability for sensitive analog/digital circuits.
• Robust Ceramic Construction: Superior heat dissipation and mechanical durability vs. polymer-based arrays.
• BUS Circuit Designator: Optimized for bus termination, voltage division, or pull-up/down networks.
• Strict Tolerances: ±0.5% resistance and ±50ppm/°C TCR minimize drift in precision applications.
• Automation-Friendly: Gull-wing leads and 1.27mm pitch enable seamless pick-and-place assembly.
• Non-Automotive (PPAP No): Ideal for industrial, telecom, and test equipment where extreme precision is critical.

GS4B021870DCT Applications

• Signal Conditioning: Precision attenuation/ladder networks in data acquisition systems.
• Bus Termination: Impedance matching for high-speed digital lines (e.g., SPI, I²C).
• Voltage References: Stable divider networks in ADC/DAC circuits.
• Medical/Test Gear: Low-drift performance for diagnostic equipment or calibration modules.
• Aerospace: Ceramic package reliability suits avionics under thermal stress.

Conclusion of GS4B021870DCT

The GS4B021870DCT excels in precision analog and mixed-signal designs, combining thin film accuracy, ceramic ruggedness, and compact SOIC packaging. Its 187Ω BUS configuration and 0.5% tolerance make it a standout for impedance control and signal integrity tasks where competing polymer arrays fall short. While not RoHS-compliant, it remains a top choice for non-consumer applications demanding long-term stability under thermal cycling. Engineers should evaluate this model for high-reliability systems where component-level precision directly impacts performance.