TT Electronics/IRC

GQ8A021400DDT

GQ8A021400DDT Description

The GQ8A021400DDT from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding isolation (ISOL) applications. This 8-resistor array features a 140 Ohm resistance per element with an ultra-tight 0.5% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stable performance across a wide operating temperature range of -70°C to +125°C. Housed in a 16-pin QSOP ceramic package, it offers superior thermal stability and durability compared to plastic alternatives. With a 0.75W (3/4W) total power rating (0.1W per resistor) and 100V maximum voltage rating, this network is ideal for precision analog and digital circuits requiring high reliability.

GQ8A021400DDT Features

• Ceramic Case Style: Enhances thermal conductivity and mechanical robustness.
• Thin Film Technology: Delivers low noise, high accuracy, and long-term stability.
• Gull Wing Termination: Facilitates reliable surface-mount (SMD) assembly.
• Isolated (ISOL) Design: Each resistor is electrically independent, enabling flexible circuit configurations.
• Wide Temperature Range: Operates reliably from -70°C to +125°C with derated power up to 125°C.
• Compact Dimensions: 4.9mm (L) x 6.02mm (D) x 1.47mm (H) with tight tolerances (±0.1mm height/length, ±0.2mm depth).
• High Voltage Rating: Supports up to 100V, making it suitable for industrial and instrumentation use.

GQ8A021400DDT Applications

This resistor network excels in precision-critical environments, including:

• Medical Equipment: Patient monitoring systems, diagnostic devices.
• Industrial Automation: Signal conditioning, PLCs, and process control.
• Test & Measurement: Calibration instruments, data acquisition systems.
• Aerospace & Defense: Avionics, radar, and communication systems requiring high stability.
• Telecommunications: Base stations, RF modules, and filtering circuits.

Conclusion of GQ8A021400DDT

The GQ8A021400DDT stands out for its ceramic construction, isolation capability, and thin-film precision, making it a superior choice over plastic-cased networks in harsh environments. Its low TCR, high power handling, and compact form factor cater to advanced electronics where accuracy and reliability are paramount. While not RoHS-compliant, its performance justifies use in specialized applications. Engineers seeking a robust, high-performance resistor network for isolation or precision circuits will find this model exceptionally well-suited.