TT Electronics/IRC

GS4B0251R1GT

GS4B0251R1GT Description

The GS4B0251R1GT from TT Electronics/IRC is a high-performance 7-resistor bussed network in an 8-pin narrow SOIC package, designed for precision applications requiring stable thin-film resistance. With a 51.1Ω resistance per element and a tight ±2% tolerance, this ceramic-based network ensures reliable performance in demanding environments. Its ±50ppm/°C temperature coefficient and 100V maximum voltage rating make it suitable for circuits exposed to thermal or electrical stress. The SOIC-C series construction offers a compact footprint (4.9mm × 5.99mm × 1.45mm) with gull-wing terminations for robust surface-mount assembly.

GS4B0251R1GT Features

• Bussed Network Design: Simplifies PCB layout by connecting resistors in a common bus configuration.
• Thin-Film Technology: Delivers superior stability and low noise compared to thick-film alternatives.
• Wide Temperature Range: Operates from 70°C to 125°C with derated power, ensuring reliability in high-heat scenarios.
• High Power Handling: 0.4W total power rating (0.05W per resistor) for distributed load management.
• Precision Tolerance: ±2% absolute tolerance and ±50ppm/°C TCR for critical analog/digital circuits.
• Robust Construction: Ceramic case and gull-wing leads enhance mechanical durability and solderability.

GS4B0251R1GT Applications

• Voltage Division/Current Limiting: Ideal for ADC/DAC reference networks and sensor interfaces.
• Bus Termination/Impedance Matching: Used in high-speed digital systems (e.g., memory modules, FPGAs).
• Automotive/Industrial Electronics: Suitable for non-automotive PPAP applications requiring stable resistance under thermal cycling.
• Power Supply Circuits: Ensures consistent performance in feedback loops or load-sharing networks.

Conclusion of GS4B0251R1GT

The GS4B0251R1GT excels in space-constrained, precision circuits where low TCR, tight tolerance, and bussed topology are critical. Its ceramic SOIC package balances thermal resilience with ease of assembly, while the thin-film technology minimizes drift over time. Though not RoHS-compliant, it remains a top choice for industrial and telecom systems demanding long-term reliability. Engineers should consider this model for designs prioritizing accuracy, power efficiency, and compactness.