TT Electronics/IRC

GUS-QS0B-02-5490-DB

GUS-QS0B-02-5490-DB Description

The GUS-QS0B-02-5490-DB from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 20-pin QSOP package features 19 resistors with a 549 Ω resistance value, offering a tight 0.5% tolerance and a low ±50 ppm/°C temperature coefficient. Rated for 1W total power dissipation (0.05W per resistor), it operates reliably across a wide temperature range of -70°C to +125°C, making it suitable for harsh environments. The gull-wing termination ensures secure PCB mounting, while the compact 8.66mm × 6.02mm × 1.47mm footprint optimizes space efficiency.

GUS-QS0B-02-5490-DB Features

• Precision Performance: Thin-film technology delivers ±0.5% tolerance and ±50 ppm/°C TCR for stable operation in precision circuits.
• Robust Construction: QSOP package with 100V maximum voltage rating and 125°C max operating temperature ensures durability.
• Space-Saving Design: Compact rectangular form factor (6.02mm depth, 1.47mm height) ideal for high-density PCBs.
• Automated Assembly Friendly: Gull-wing leads and 0.64mm terminal pitch simplify SMT processes.
• Non-Automotive Grade: Suitable for industrial, telecom, and instrumentation applications (PPAP not required).

GUS-QS0B-02-5490-DB Applications

• Signal Conditioning: Precision voltage dividers and feedback networks in data acquisition systems.
• Medical Electronics: Stable resistance for patient monitoring equipment and diagnostic devices.
• Test & Measurement: High-accuracy circuits in calibration instruments and oscilloscopes.
• Industrial Controls: Reliable performance in PLC modules and process automation.
• Telecom Infrastructure: Impedance matching in RF modules and base station electronics.

Conclusion of GUS-QS0B-02-5490-DB

The GUS-QS0B-02-5490-DB excels in applications requiring high precision, thermal stability, and compactness. Its thin-film technology, tight tolerances, and robust QSOP package make it a superior choice over thicker-film or less stable alternatives. While not RoHS-compliant, it remains a go-to solution for industrial and professional electronics where performance outweighs regulatory constraints. Ideal for engineers prioritizing repeatability, power efficiency, and space optimization in circuit design.