TT Electronics/IRC

GUS-QS0B-03-2490-D

GUS-QS0B-03-2490-D Description

The GUS-QS0B-03-2490-D from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 19-resistor array features a 249Ω resistance value per resistor with an ultra-tight 0.5% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stability across a wide operating temperature range of 70°C to 125°C. Housed in a compact 20-pin QSOP (QSOP) package with gull-wing termination, it offers a 1W total power rating (0.05W per resistor) and supports 100V maximum voltage. Its thin-film technology delivers superior accuracy and reliability compared to thick-film alternatives, making it ideal for precision circuits.

GUS-QS0B-03-2490-D Features

• High Precision: ±0.5% tolerance and ±25ppm/°C TCR for stable performance in thermal variations.
• Robust Construction: Thin-film technology ensures low noise and long-term reliability.
• Compact Design: 8.66mm × 6.02mm × 1.47mm (L×D×H) QSOP package with 0.64mm terminal pitch, saving PCB space.
• Wide Operating Range: Rated for -55°C to +125°C, derated up to 125°C.
• Automotive-Grade Alternatives: While not PPAP-certified, its performance suits industrial and telecom applications.
• Non-RoHS Compliant: Suitable for legacy or exempted designs requiring leaded components.

GUS-QS0B-03-2490-D Applications

• Precision Analog Circuits: Voltage dividers, feedback networks in op-amps, and DAC/ADC interfaces.
• Telecommunications: Signal conditioning and impedance matching in RF modules.
• Industrial Controls: Sensor calibration, PLCs, and power management systems.
• Test & Measurement Equipment: High-accuracy instrumentation requiring minimal drift.
• Legacy Systems: Maintenance or upgrades for non-RoHS-compliant assemblies.

Conclusion of GUS-QS0B-03-2490-D

The GUS-QS0B-03-2490-D excels in applications demanding tight tolerance, low TCR, and compact footprint. Its thin-film construction and QSOP packaging provide a competitive edge over bulkier or less stable alternatives, while the 249Ω value suits common biasing and termination needs. Though not automotive-qualified, it remains a robust choice for industrial, telecom, and precision electronics. Engineers will appreciate its balance of performance, size, and reliability in critical designs.