TT Electronics/IRC

GQ8A021691DT

GQ8A021691DT Description

The GQ8A021691DT from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding electronic applications. This 8-resistor isolated network features a 1.69KΩ resistance value with an ultra-tight 0.5% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range of 70°C to 125°C. Housed in a 16-pin QSOP ceramic package, it offers a 0.75W (3/4W) total power rating (0.1W per resistor) and a maximum voltage rating of 100V. Its gull-wing termination and surface-mount design facilitate easy PCB integration, while the ceramic case enhances thermal and mechanical durability.

GQ8A021691DT Features

• Precision Performance: ±0.5% tolerance and ±50ppm/°C TCR for high-accuracy signal conditioning.
• Robust Construction: Ceramic QSOP package ensures reliability in harsh environments.
• High Power Handling: 0.75W total power dissipation (0.1W per resistor) at derated temperatures up to 125°C.
• Compact & Durable: Dimensions of 4.9mm (L) × 6.02mm (D) × 1.47mm (H) with tight tolerances (±0.1mm height, ±0.2mm depth).
• Isolated Design: Independent resistors (ISOL circuit designator) for flexible circuit configurations.
• Industry Compliance: HTS 8533.21.00.20, ECCN EAR99, though non-RoHS (may require alternative sourcing for restricted applications).

GQ8A021691DT Applications

Ideal for precision analog and mixed-signal circuits, including:

• Medical Devices: Patient monitoring equipment requiring stable resistance under thermal stress.
• Industrial Controls: PLCs, sensor interfaces, and feedback networks in high-temperature environments.
• Test & Measurement: Calibration tools and precision dividers where low TCR is critical.
• Aerospace & Defense: Avionics systems benefiting from ceramic-packaged durability.
• Telecom Infrastructure: Signal processing in base stations with demanding power and tolerance requirements.

Conclusion of GQ8A021691DT

The GQ8A021691DT stands out for its combination of precision, power handling, and ruggedness, making it a superior choice for applications demanding long-term stability in challenging conditions. While its non-RoHS status may limit use in eco-regulated markets, its ceramic isolation and thin-film technology offer unmatched performance in industrial, medical, and aerospace sectors. Engineers seeking a reliable, high-tolerance resistor network will find this model optimally balanced for critical designs.