TT Electronics/IRC

GQ0A034021BT

GQ0A034021BT Description

The GQ0A034021BT from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding isolation and signal conditioning applications. This 20-pin QSOP device features 10 isolated resistors, each with a 4.02KΩ resistance, 0.1% tolerance, and a ±25ppm/°C temperature coefficient, ensuring exceptional stability across a wide temperature range (70°C to 125°C). Encased in a ceramic package, it offers superior thermal performance and durability, with a 1W total power rating (0.1W per resistor) and a 100V maximum voltage rating. Its gull-wing termination and surface-mount design facilitate easy PCB integration, while the tube packaging ensures safe handling and storage.

GQ0A034021BT Features

• Precision Performance: 0.1% tolerance and ±25ppm/°C TCR for high-accuracy applications.
• Robust Construction: Ceramic case enhances thermal dissipation and mechanical strength.
• Isolated Design: 10 resistors with independent isolation (ISOL circuit designator) for signal integrity.
• Compact & Reliable: QSOP package (8.66mm x 6.02mm x 1.47mm) with tight tolerances (±0.1mm length/height, ±0.2mm depth).
• Wide Operating Range: Rated for -55°C to +125°C, derated up to 125°C.
• Surface-Mount Ready: Gull-wing leads with 0.64mm pitch for automated assembly.

GQ0A034021BT Applications

Ideal for precision analog and digital circuits requiring stable, low-drift resistance, including:

• Medical instrumentation (isolated signal paths, patient monitoring).
• Industrial automation (PLC I/O modules, sensor conditioning).
• Test & measurement equipment (calibration, voltage dividers).
• Telecommunications (impedance matching, line termination).
• Aerospace/defense systems where reliability under thermal stress is critical.

Conclusion of GQ0A034021BT

The GQ0A034021BT stands out for its combination of precision, isolation, and ruggedness, making it a top choice for engineers designing high-reliability systems. Its ceramic construction, thin-film technology, and tight tolerances outperform comparable networks in harsh environments. While not RoHS-compliant and unconfirmed for automotive use, its performance in industrial, medical, and aerospace applications justifies its niche dominance. For isolation-critical designs requiring long-term stability, this resistor network delivers unmatched value.