TT Electronics/IRC

GQ8A0273R2DDT

GQ8A0273R2DDT Description

The GQ8A0273R2DDT from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding isolation and signal conditioning applications. This 8-resistor array features a 73.2Ω resistance value with a 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 superior thermal stability and durability, making it ideal for high-reliability circuits. With a 0.75W (3/4W) total power rating and 100V maximum voltage rating, this surface-mount (SMD) device is engineered for precision analog and digital systems.

GQ8A0273R2DDT Features

• High Precision: 0.5% tolerance and ±50ppm/°C TCR for consistent performance.
• Robust Construction: Ceramic case and thin-film technology ensure reliability in harsh environments.
• Compact Design: 4.9mm × 6.02mm × 1.47mm (L×D×H) with gull-wing terminals for space-constrained PCBs.
• Isolation-Centric: ISOL circuit designator minimizes crosstalk in multi-channel systems.
• Wide Operating Range: -55°C to +125°C (derated power up to 125°C).
• High Power Handling: 0.1W per resistor (0.75W total) for demanding applications.

GQ8A0273R2DDT Applications

• Industrial Automation: Signal conditioning in PLCs and sensor interfaces.
• Medical Electronics: Precision voltage dividers in diagnostic equipment.
• Telecommunications: Isolation in high-speed data lines (e.g., PoE, RF modules).
• Test & Measurement: Calibration circuits requiring low drift.
• Aerospace & Defense: Ruggedized systems where ceramic packaging excels.

Conclusion of GQ8A0273R2DDT

The GQ8A0273R2DDT stands out for its precision, thermal stability, and compact form factor, making it a superior choice for isolated, high-density circuits. Its ceramic QSOP package and thin-film resistors deliver unmatched reliability in critical applications, from industrial controls to aerospace systems. While not RoHS-compliant, its performance in extreme conditions justifies its use in specialized designs. Engineers seeking a low-drift, high-power resistor network will find this model exceptionally well-suited for mission-critical deployments.