TT Electronics/IRC

GUS-QS0B-03-9090-DC

GUS-QS0B-03-9090-DC Description

The GUS-QS0B-03-9090-DC from TT Electronics/IRC is a high-precision thin-film resistor network designed for demanding surface-mount applications. This 20-pin QSOP package integrates 19 resistors, each with a 909Ω resistance value, offering a tight 0.5% tolerance and a low ±25ppm/°C temperature coefficient. With a 1W total power rating (0.05W per resistor) and a maximum operating temperature of 125°C, this network ensures reliable performance in thermally challenging environments. Its gull-wing termination and 0.64mm terminal pitch facilitate easy PCB assembly, while the compact 8.66mm × 6.02mm × 1.47mm footprint saves board space.

GUS-QS0B-03-9090-DC Features

• Precision Thin Film Technology: Delivers stable resistance values with minimal drift over temperature.
• High Power Handling: 1W total dissipation (derated from 70°C to 125°C) for robust operation.
• Low TCR: ±25ppm/°C ensures consistent performance across industrial temperature ranges.
• Space-Efficient QSOP Package: Ideal for high-density PCB layouts.
• Automotive-Grade Alternatives Available: Though this variant is non-automotive (PPAP: No), TT Electronics offers compliant versions for harsh environments.
• Non-RoHS: Suitable for legacy or exempted applications requiring leaded components.

GUS-QS0B-03-9090-DC Applications

• Signal Conditioning: Precision voltage dividers in test/measurement equipment.
• Analog Circuits: Feedback networks in op-amp configurations.
• Industrial Controls: High-reliability systems requiring stable resistance under thermal stress.
• Medical Devices: Where low TCR and tight tolerance are critical (e.g., sensor interfaces).
• Legacy Electronics: Maintenance or repair of non-RoHS-compliant systems.

Conclusion of GUS-QS0B-03-9090-DC

The GUS-QS0B-03-9090-DC excels in applications demanding precision, power efficiency, and compactness. Its thin-film construction and QSOP packaging make it a standout choice for engineers prioritizing performance in constrained spaces. While not suited for automotive use, its 0.5% tolerance and low TCR cater to industrial, medical, and instrumentation needs. For legacy designs or high-accuracy networks, this resistor array offers a dependable solution.