TT Electronics/IRC

GUS-QS0B-02-5491-CB

GUS-QS0B-02-5491-CB Description

The GUS-QS0B-02-5491-CB from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 20-pin QSOP (Quarter-Small Outline Package) device integrates 19 resistors with a 5.49KΩ resistance value, offering a tight ±0.25% tolerance and a low ±50ppm/°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-02-5491-CB Features

• Precision Performance: Thin-film technology ensures low noise, high stability, and exact resistance matching (0.25% tolerance).
• Robust Construction: Withstands 100V maximum voltage and 125°C continuous operation, ideal for industrial and automotive-adjacent applications.
• Space-Saving Design: QSOP package with 0.64mm terminal pitch enables high-density PCB layouts.
• Reliable Termination: Gull-wing leads provide mechanical strength and solderability for automated assembly.
• Non-Compliant to EU RoHS: Suitable for legacy or exempted applications requiring specific material properties.

GUS-QS0B-02-5491-CB Applications

This resistor network excels in:

• Analog Signal Conditioning: Precision voltage dividers, gain networks in instrumentation amplifiers.
• Medical Electronics: Stable reference circuits in diagnostic equipment where drift is critical.
• Industrial Controls: Feedback loops, sensor calibration, and PLC systems requiring long-term reliability.
• Aerospace & Defense: Avionics and communication systems demanding low TCR and high power derating (70°C to 125°C).
• Legacy Automotive Systems: Non-automotive PPAP-compliant designs (e.g., infotainment, power management).

Conclusion of GUS-QS0B-02-5491-CB

The GUS-QS0B-02-5491-CB stands out for its precision, power handling, and compact form factor, bridging the gap between performance and miniaturization. Its thin-film technology and wide operational range make it a superior choice for critical analog circuits where stability and accuracy are paramount. While not RoHS-compliant, it remains indispensable for specialized or legacy systems requiring proven reliability. Engineers will value its repeatable performance in high-reliability applications across medical, industrial, and aerospace sectors.