TT Electronics/IRC

GUS-QS0B-03-2551-BA

GUS-QS0B-03-2551-BA Description

The GUS-QS0B-03-2551-BA from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 19-resistor array features a 2.55KΩ resistance value with an ultra-tight 0.1% tolerance and a low ±25ppm/°C temperature coefficient, ensuring exceptional stability across a 70°C to 125°C derated power range. Housed in a compact 20-pin QSOP package with gull-wing terminations, it offers a 1W total power rating (0.05W per resistor) and a 100V maximum voltage rating, making it ideal for precision analog and digital circuits. The rectangular, tube-packaged device is optimized for automated assembly, with a 6.02mm × 8.66mm footprint and 1.47mm profile.

GUS-QS0B-03-2551-BA Features

• Precision Performance: Thin-film technology delivers 0.1% tolerance and ±25ppm/°C TCR for minimal drift.
• Robust Construction: QSOP case with gull-wing leads ensures reliable surface-mount (SMD) compatibility.
• High Power Density: 1W total dissipation (0.05W/resistor) in a minimal 8.66mm × 6.02mm × 1.47mm form factor.
• Wide Thermal Range: Operates from 70°C to 125°C (derated) with a 125°C maximum temperature rating.
• Automation-Friendly: 0.64mm terminal pitch and tube packaging streamline PCB assembly.

GUS-QS0B-03-2551-BA Applications

• Precision Voltage Dividers: Critical in ADC/DAC reference circuits and sensor interfaces.
• Signal Conditioning: Ideal for medical instrumentation and test/measurement equipment requiring low drift.
• Industrial Controls: Used in PLC I/O modules and process controllers due to high reliability.
• Aerospace & Defense: Suited for avionics and communication systems where stability is paramount.
• Consumer Electronics: High-end audio/video gear benefiting from low-noise resistance matching.

Conclusion of GUS-QS0B-03-2551-BA

The GUS-QS0B-03-2551-BA stands out for its combination of precision, power efficiency, and compactness, outperforming generic resistor networks in stability-critical applications. Its thin-film technology and QSOP packaging make it a top choice for engineers designing high-performance analog systems, particularly where space and thermal management are constraints. While not RoHS-compliant, its rugged design and tight specifications justify its use in specialized industrial, medical, and aerospace applications.