TT Electronics/IRC

GUS-QS0B-02-5491-DB

GUS-QS0B-02-5491-DB Description

The GUS-QS0B-02-5491-DB from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 19-resistor array features a 5.49KΩ resistance value with an ultra-tight ±0.5% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range (70°C to 125°C). Housed in a compact 20-pin QSOP package, it offers a 1W total power rating (0.05W per resistor) and supports 100V maximum voltage, making it ideal for precision analog and digital circuits.

GUS-QS0B-02-5491-DB Features

• High Precision: ±0.5% tolerance and ±50ppm/°C TCR for reliable signal conditioning.
• Robust Construction: Thin-film technology ensures low noise and long-term stability.
• Space-Efficient: Compact 8.66mm × 6.02mm × 1.47mm QSOP package with 0.64mm pitch gull-wing terminals for high-density PCB layouts.
• Wide Operating Range: Rated for -55°C to +125°C, derated up to 125°C.
• Automotive-Grade Alternatives: While not PPAP or automotive-certified, its performance suits industrial and telecom applications.
• Non-RoHS Compliant: Suitable for legacy or exempted designs requiring leaded components.

GUS-QS0B-02-5491-DB Applications

• Precision Voltage Dividers: Critical in ADC/DAC reference circuits.
• Medical Instrumentation: Stable resistance for sensitive measurement systems.
• Industrial Controls: Robust performance in PLCs and sensor interfaces.
• Telecom Infrastructure: Signal conditioning in RF and baseband modules.
• Test & Measurement Equipment: Low-drift performance for calibration circuits.

Conclusion of GUS-QS0B-02-5491-DB

The GUS-QS0B-02-5491-DB excels in applications demanding high accuracy, thermal stability, and compact form factors. Its thin-film technology, tight tolerances, and QSOP packaging provide a competitive edge over thicker-film or less precise networks. While not RoHS-compliant, it remains a top choice for legacy or exempted designs requiring proven reliability in harsh environments. Ideal for engineers prioritizing performance-per-mm² in analog signal chains.