TT Electronics/IRC

GS4B028452DDT

GS4B028452DDT Description

The GS4B028452DDT from TT Electronics/IRC is a high-precision 7-resistor thin film network designed for surface-mount applications in demanding electronic circuits. Encased in a ceramic SOIC-8 package, it delivers a 84.5K Ohm resistance per resistor 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 network is engineered for BUS circuit applications where precision and reliability are critical. Its gull-wing termination and 1.27mm pitch facilitate seamless PCB integration, while the ceramic substrate enhances thermal performance and durability.

GS4B028452DDT Features

• Precision Thin Film Technology: Delivers low noise and high stability, ideal for analog signal conditioning.
• Robust Ceramic Package: Superior heat dissipation and mechanical strength compared to polymer-based arrays.
• Tight Tolerance & Low TCR: ±0.5% tolerance and ±50ppm/°C ensure consistent performance in temperature-variable environments.
• High Voltage Rating: Supports 100V applications, suitable for industrial and instrumentation use.
• Compact SOIC-8 Footprint: 4.9mm (L) × 5.99mm (D) × 1.45mm (H) with tight dimensional tolerances (±0.1mm) for high-density designs.
• Automotive-Grade Alternatives: While this model is not PPAP or automotive-qualified, its ceramic construction makes it a candidate for harsh environments.

GS4B028452DDT Applications

• Analog Signal Processing: Precision voltage dividers, feedback networks in op-amp circuits.
• Industrial Control Systems: PLCs, sensor interfaces, and power management modules requiring stable resistance values.
• Test & Measurement Equipment: Calibration circuits, reference networks, and data acquisition systems.
• Medical Electronics: Patient monitoring devices where low drift and reliability are paramount.
• Aerospace & Defense: Non-automotive harsh-environment applications due to ceramic ruggedness.

Conclusion of GS4B028452DDT

The GS4B028452DDT stands out for its combination of precision, power handling, and ceramic robustness, making it a superior choice for high-reliability DC/analog circuits. While not RoHS-compliant or automotive-rated, its thin film technology and tight specifications cater to industrial, medical, and instrumentation markets where accuracy and thermal performance are non-negotiable. Engineers seeking a stable, space-saving resistor network for BUS architectures will find this model optimally balanced for cost and performance.