TT Electronics/IRC

GUS-QS8A-02-4990-BA

GUS-QS8A-02-4990-BA Description

The GUS-QS8A-02-4990-BA from TT Electronics/IRC is a high-precision 8-resistor thin film network designed for demanding surface-mount applications. Encased in a 16-pin QSOP package with gull wing terminations, this isolated network offers a 499Ω resistance per resistor with an ultra-tight 0.1% tolerance and a low ±50ppm/°C temperature coefficient, ensuring stability across a wide -70°C to +125°C operating range. Its 0.75W (3/4W) total power rating (0.1W per resistor) and 100V maximum voltage rating make it suitable for precision analog and digital circuits. The device is supplied in tube packaging for automated assembly compatibility.

GUS-QS8A-02-4990-BA Features

• High Precision: 0.1% tolerance and ±50ppm/°C TCR for critical signal conditioning.
• Robust Construction: Thin film technology ensures long-term reliability and low noise.
• Compact Footprint: 4.9mm (L) × 6.02mm (D) × 1.47mm (H) with ±0.1mm dimensional tolerances.
• Isolated Design (ISOL): Each resistor is electrically independent, ideal for multi-channel isolation.
• Wide Temperature Range: Derated power operation up to 125°C, suitable for industrial environments.
• Automated Assembly Ready: QSOP gull wing terminations with 0.64mm pitch for seamless SMD placement.

GUS-QS8A-02-4990-BA Applications

• Precision Voltage Dividers: Used in ADC/DAC reference circuits and sensor interfaces.
• Medical Equipment: High-accuracy signal processing in patient monitoring systems.
• Test & Measurement: Calibration networks and instrumentation amplifiers.
• Industrial Controls: Isolated feedback networks in motor drives and power supplies.
• Communications: Impedance matching in RF and high-speed data lines.

Conclusion of GUS-QS8A-02-4990-BA

The GUS-QS8A-02-4990-BA excels in applications requiring high precision, thermal stability, and compactness. Its isolated thin film resistors, combined with a robust QSOP package, offer superior performance over thicker film or bulkier alternatives. While not RoHS-compliant, its military-grade temperature range and low TCR make it a preferred choice for industrial, medical, and aerospace designs where reliability is paramount. For engineers prioritizing accuracy in constrained spaces, this network delivers unmatched consistency.