TT Electronics/IRC

GUS-QS8A-01-4420-JA

GUS-QS8A-01-4420-JA Description

The GUS-QS8A-01-4420-JA from TT Electronics/IRC is a high-performance thin-film resistor network designed for precision applications in surface-mount PCB assemblies. This 8-resistor isolated network features a 442 Ohm resistance value with a 5% tolerance and a ±100ppm/°C temperature coefficient, ensuring stable performance across a wide operating temperature range of -70°C to +125°C. Housed in a compact 16-pin QSOP package with gull-wing terminations, it offers a 0.75W (3/4W) total power rating (0.1W per resistor) and supports 100V maximum voltage. Its thin-film technology provides superior accuracy, low noise, and excellent long-term stability compared to thick-film alternatives.

GUS-QS8A-01-4420-JA Features

• High-Density Integration: 8 isolated resistors in a 4.9mm x 6.02mm footprint, ideal for space-constrained designs.
• Robust Construction: Rectangular QSOP case with a 1.47mm profile and 1.63mm seated height for reliable SMT assembly.
• Precision Performance: ±100ppm/°C TCR and 5% tolerance ensure consistent operation in varying thermal conditions.
• Wide Voltage Range: Supports up to 100V, suitable for industrial and instrumentation circuits.
• Derated Power Handling: Maintains functionality up to 125°C with derated power (70°C to 125°C).
• Non-Automotive: Compliant with general-purpose standards (PPAP: No, EU RoHS: Not Compliant).

GUS-QS8A-01-4420-JA Applications

This resistor network excels in:

• Signal Conditioning: Precision voltage dividers and feedback networks in op-amp circuits.
• Industrial Controls: Isolated termination for PLCs, sensors, and motor drivers.
• Test & Measurement Equipment: Stable reference resistors for multimeters and oscilloscopes.
• Telecom Infrastructure: Impedance matching in high-frequency RF modules.
• Medical Electronics: Low-noise analog signal processing where reliability is critical.

Conclusion of GUS-QS8A-01-4420-JA

The GUS-QS8A-01-4420-JA combines thin-film accuracy, compact packaging, and high power handling for demanding analog and mixed-signal designs. Its isolated 8-resistor configuration and gull-wing termination simplify PCB layout while ensuring mechanical durability. While not suited for automotive use, it is a cost-effective solution for industrial, telecom, and precision instrumentation applications requiring stable, low-TCR performance. The tube packaging further facilitates automated assembly processes.