TT Electronics/IRC

GS4B034221GCT

GS4B034221GCT Description

The GS4B034221GCT 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 features a 4.22KΩ resistance per resistor with a tight 2% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stable performance across a wide operating temperature range of -70°C to +125°C. The network is rated for 0.4W total power dissipation (0.05W per resistor) and supports a maximum voltage of 100V, making it suitable for demanding circuit environments. Its gull-wing termination and 1.27mm terminal pitch facilitate reliable PCB mounting, while the ceramic substrate enhances thermal and mechanical durability.

GS4B034221GCT Features

• Precision Thin Film Technology: Delivers low noise and high stability for sensitive analog/digital circuits.
• Robust Ceramic Package: Superior heat dissipation and mechanical strength compared to polymer-based arrays.
• BUS Circuit Designator: Optimized for bus line termination, voltage division, and pull-up/down applications.
• Wide Temperature Range: Operates reliably from -70°C to +125°C with derated power at elevated temperatures.
• Compact SOIC-8 Footprint: Space-saving 4.9mm × 5.99mm × 1.45mm dimensions with tight tolerances (±0.1mm length/height).
• Non-Automotive Grade: Ideal for industrial, telecom, and instrumentation use where PPAP compliance is not required.

GS4B034221GCT Applications

This resistor network excels in:

• Voltage Division & Signal Conditioning: Precision dividers in ADC/DAC circuits.
• Bus Termination & Impedance Matching: DDR memory interfaces, CAN/LVDS lines.
• Pull-Up/Down Networks: Microcontroller I/O port stabilization.
• Industrial Control Systems: PLCs, sensor interfaces requiring long-term drift resistance.
• Test & Measurement Equipment: Calibration circuits demanding low TCR and tight tolerance.

Conclusion of GS4B034221GCT

The GS4B034221GCT combines high precision, thermal resilience, and compact design, making it a superior choice for engineers prioritizing reliability in harsh environments. Its ceramic construction and thin film technology outperform epoxy-based networks in thermal cycling and power handling, while the BUS-oriented design simplifies layout in multi-channel systems. Though not RoHS-compliant, it remains a robust solution for industrial and telecom applications where durability trumps regulatory constraints.