TT Electronics/IRC

GUS-QS8A-02-1781-FF

GUS-QS8A-02-1781-FF Description

The GUS-QS8A-02-1781-FF from TT Electronics/IRC is a high-performance thin-film resistor network designed for precision applications. This 8-resistor array features a 1.78KΩ resistance value with a tight 1% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stable performance across a wide temperature range of 70°C to 125°C. Packaged in a 16-pin QSOP with gull-wing SMD termination, it offers a compact footprint (4.9mm × 6.02mm × 1.47mm) and is supplied in tube packaging for automated assembly. With a 0.75W (3/4W) total power rating (0.1W per resistor) and 100V maximum voltage rating, it is engineered for reliability in demanding circuits.

GUS-QS8A-02-1781-FF Features

• Precision Thin Film Technology: Delivers high accuracy (±1%) and low TCR (±50ppm/°C) for stable operation.
• Robust Power Handling: 0.75W total power dissipation (0.1W per resistor) with derating up to 125°C.
• Compact QSOP Package: 16-pin gull-wing SMD design with 0.64mm terminal pitch, ideal for high-density PCBs.
• Isolated Circuit Design (ISOL): Each resistor is electrically isolated, enabling flexible circuit configurations.
• Wide Voltage Rating: Supports up to 100V, suitable for industrial and automotive-grade applications (though not PPAP/automotive certified).
• Mechanical Stability: Tight tolerances on dimensions (±0.1mm height/length, ±0.2mm depth) ensure consistent mounting.

GUS-QS8A-02-1781-FF Applications

• Analog Signal Conditioning: Precision voltage dividers, gain networks in op-amp circuits.
• Industrial Control Systems: PLCs, sensor interfaces, and isolation circuits requiring stable resistance.
• Test & Measurement Equipment: Calibration networks, reference circuits due to low TCR.
• Medical Electronics: Patient monitoring devices where accuracy and reliability are critical.
• Telecom Infrastructure: Line termination, impedance matching in high-frequency modules.

Conclusion of GUS-QS8A-02-1781-FF

The GUS-QS8A-02-1781-FF excels in precision, power efficiency, and miniaturization, making it a superior choice over thicker-film or less stable alternatives. Its isolated thin-film design and wide operating temperature range cater to rigorous industrial and instrumentation needs. While not RoHS-compliant, its performance-centric attributes justify its use in specialized applications demanding uncompromising accuracy and durability. Engineers will appreciate its repeatable performance and ease of integration in space-constrained designs.