TT Electronics/IRC

GUS-QS8A-03-3900-JA

GUS-QS8A-03-3900-JA Description

The GUS-QS8A-03-3900-JA from TT Electronics/IRC is a high-performance 8-resistor thin film network designed for precision applications in surface-mount circuits. With a 390 Ohm resistance value and 5% tolerance, this isolated network offers excellent stability and accuracy, supported by a low ±25ppm/°C temperature coefficient. Encased in a 16-pin QSOP package, it features gull wing terminals for reliable SMD mounting and a compact footprint (4.9mm length × 6.02mm depth × 1.47mm height). Rated for 0.75W (3/4W) total power and 0.1W per resistor, it operates across a wide temperature range (-70°C to +125°C), making it suitable for demanding environments.

GUS-QS8A-03-3900-JA Features

• Thin Film Technology: Delivers superior precision and low noise compared to thick-film alternatives.
• High Power Handling: 0.75W total dissipation with derated performance up to 125°C.
• Isolated Design (ISOL): Each resistor operates independently, ideal for multi-channel isolation.
• Robust Construction: QSOP package with gull wing leads ensures mechanical durability and ease of automated assembly.
• Stable Performance: ±25ppm/°C TCR minimizes resistance drift under thermal stress.
• 100V Maximum Voltage Rating: Suitable for moderate-voltage applications.

GUS-QS8A-03-3900-JA Applications

This resistor network excels in:

• Analog Signal Conditioning: Precision dividers, feedback networks, and sensor interfaces.
• Industrial Controls: PLCs, motor drives, and power management systems requiring stable resistance values.
• Medical Electronics: Isolated measurement circuits and diagnostic equipment.
• Automotive (Non-Automotive Rated): Prototyping or non-safety-critical circuits where thermal resilience is key.
• Test & Measurement Equipment: Calibration circuits and reference voltage networks.

Conclusion of GUS-QS8A-03-3900-JA

The GUS-QS8A-03-3900-JA combines high accuracy, thermal stability, and compact packaging, making it a versatile choice for engineers prioritizing reliability in space-constrained designs. Its isolated thin-film architecture and wide operating range cater to industrial, medical, and instrumentation applications where consistent performance is critical. While not PPAP or automotive-qualified, it remains a cost-effective solution for prototyping and non-extreme environments.