TT Electronics/IRC

GS4B019090DBT

GS4B019090DBT Description

The GS4B019090DBT 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 909Ω resistance per element with an ultra-tight ±0.5% tolerance and a ±100ppm/°C temperature coefficient, ensuring stability across a wide operating range (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 reliability in demanding circuits. Its gull-wing termination and 1.27mm pitch facilitate easy PCB integration, while the ceramic substrate enhances thermal performance.

GS4B019090DBT Features

• Precision Thin Film Technology: Delivers low noise and high accuracy (±0.5%) for sensitive analog/digital systems.
• Robust Ceramic Package: Superior heat dissipation and mechanical strength vs. plastic alternatives.
• BUS Configuration: Simplifies PCB layout in multi-channel designs (e.g., voltage dividers, pull-up networks).
• Extended Temperature Range: Stable performance from 70°C to 125°C with derated power handling.
• Compact Footprint: 4.9mm × 5.99mm × 1.45mm dimensions suit space-constrained designs.
• Non-Automotive (PPAP No): Ideal for industrial, telecom, and test equipment where RoHS compliance is not critical.

GS4B019090DBT Applications

• Voltage Division/Scaling: Precision reference circuits in ADCs/DACs.
• Impedance Matching: RF and signal conditioning modules.
• Pull-Up/Down Networks: Digital logic interfaces (I²C, SPI).
• Medical/Test Instruments: High-stability measurement systems.
• Power Management: Feedback networks in DC-DC converters.

Conclusion of GS4B019090DBT

The GS4B019090DBT excels in precision analog applications requiring tight tolerance, low TCR, and robust thermal performance. Its ceramic SOIC package and BUS-oriented design make it a superior choice over plastic-cased networks in harsh environments. While not RoHS-compliant, it remains a cost-effective solution for industrial and telecom systems demanding long-term reliability. Engineers will value its balance of accuracy, power handling, and compactness in critical circuit designs.