TT Electronics/IRC

GUS-QS0B-03-4642-FA

GUS-QS0B-03-4642-FA Description

The GUS-QS0B-03-4642-FA from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 19-resistor array features a 46.4KΩ resistance value per resistor with a tight 1% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stable performance across a wide operating temperature range of 70°C to 125°C. 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 maximum voltage rating of 100V. The device is RoHS non-compliant and supplied in a tube packaging for automated assembly processes.

GUS-QS0B-03-4642-FA Features

• Precision Thin-Film Technology: Delivers superior stability, low noise, and high accuracy (±1% tolerance).
• Robust Power Handling: 1W total dissipation (0.05W per resistor) with derating up to 125°C.
• Compact QSOP Package: 8.66mm × 6.02mm × 1.47mm dimensions with ±0.1mm length/height tolerances for high-density PCB designs.
• Wide Temperature Range: Operates reliably from 70°C to 125°C with minimal drift (±25ppm/°C).
• Automation-Friendly: Gull-wing terminations and 0.64mm pitch enable seamless surface-mount assembly.
• High Voltage Tolerance: 100V maximum rating per resistor, suitable for industrial and instrumentation use.

GUS-QS0B-03-4642-FA Applications

• Analog Signal Conditioning: Ideal for precision voltage dividers, feedback networks, and sensor interfaces in test equipment.
• Medical Electronics: Used in patient monitoring systems where low drift and reliability are critical.
• Industrial Control Systems: Suitable for PLCs, motor drives, and power management circuits requiring stable resistance values.
• Aerospace & Defense: Employed in avionics and communication systems due to its wide temperature performance.
• Automotive (Non-Automotive Rated): Secondary circuits where PPAP compliance is not required.

Conclusion of GUS-QS0B-03-4642-FA

The GUS-QS0B-03-4642-FA excels in applications demanding precision, compactness, and thermal stability. Its thin-film construction, high power density, and tight tolerances make it a superior choice over thicker-film or less stable alternatives. While not RoHS-compliant, it remains a go-to solution for industrial, medical, and aerospace designs where performance outweighs regulatory constraints. Engineers will appreciate its balance of miniaturization, reliability, and ease of integration in high-performance circuits.