TT Electronics/IRC

GUS-QS0B-03-3902-DB

GUS-QS0B-03-3902-DB Description

The GUS-QS0B-03-3902-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 39K Ohm resistance value with an ultra-tight 0.5% tolerance and a low ±25ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range of 70°C to 125°C. Housed in a 20-pin QSOP package with gull-wing terminations, it offers a compact footprint (8.66mm × 6.02mm × 1.47mm) and a 1W total power rating (0.05W per resistor). Its 100V maximum voltage rating and thin-film technology make it ideal for precision analog and digital circuits.

GUS-QS0B-03-3902-DB Features

• High Precision: 0.5% tolerance and ±25ppm/°C TCR for critical signal conditioning.
• Robust Construction: Thin-film technology ensures low noise and high reliability.
• Compact Design: QSOP package (20-pin) with 0.64mm pitch saves board space.
• Wide Operating Range: -70°C to +125°C with derated power handling.
• Automotive-Grade Alternatives: While not PPAP or automotive-qualified, its performance suits industrial and telecom applications.
• Non-RoHS Compliant: Suitable for legacy or exempted designs.

GUS-QS0B-03-3902-DB Applications

• Precision Voltage Dividers: Ideal for ADC/DAC reference circuits.
• Medical Instrumentation: Stable performance in diagnostic equipment.
• Industrial Controls: Resistant to thermal drift in PLCs and sensors.
• Telecom Infrastructure: High-frequency signal integrity in RF modules.
• Test & Measurement: Calibration circuits requiring low TCR.

Conclusion of GUS-QS0B-03-3902-DB

The GUS-QS0B-03-3902-DB excels in applications demanding tight tolerance, low TCR, and compact packaging. Its thin-film construction and QSOP form factor provide a competitive edge over thicker-film or less stable alternatives. While not suited for automotive use, it remains a top choice for industrial, medical, and telecom systems where precision and reliability are paramount. The tube packaging ensures safe handling for automated assembly.