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Y4485V0809BA9R

Y4485V0809BA9R Description

The Y4485V0809BA9R from VPG Foil Resistors is a high-precision 2-resistor voltage divider network from the DSMZ series, designed for applications requiring ultra-stable TCR-matched performance. This surface-mount device features a compact 4.06mm x 2.69mm (0.160" x 0.106") footprint with a low-profile 1.80mm (0.071") height, making it suitable for space-constrained PCB designs. The network comprises 2kΩ and 9kΩ resistors with an exceptional ±0.1% tolerance and a near-zero ±0.2ppm/°C temperature coefficient (TCR), ensuring minimal drift over temperature variations.

Y4485V0809BA9R Features

• Ultra-Precision Matching: ±0.05% resistor matching ratio and ±0.1ppm/°C ratio drift for unmatched stability in voltage division.
• Low TCR: ±0.2ppm/°C ensures minimal resistance variation across extreme thermal conditions.
• High Power Handling: 50mW per element for reliable operation in demanding circuits.
• Robust Construction: Bulk packaging ensures mechanical durability and ease of handling during assembly.
• Industry Compliance: EAR99 (ECCN) and HTSUS 8533.21.0020 certified for global compatibility.

Y4485V0809BA9R Applications

This resistor network excels in precision analog circuits, including:

• Voltage references and ADC/DAC scaling networks where ratio stability is critical.
• Medical instrumentation and aerospace systems requiring long-term reliability under thermal stress.
• Test & measurement equipment (e.g., calibration dividers) demanding sub-ppm-level accuracy.
• Industrial sensors and bridge circuits where TCR-matched pairs reduce error.

Conclusion of Y4485V0809BA9R

The Y4485V0809BA9R stands out for its ultra-low TCR, precision matching, and compact form factor, making it ideal for mission-critical applications where stability and accuracy are non-negotiable. Its superior performance over conventional thin-film or thick-film networks ensures minimal drift, reducing recalibration needs in high-end systems. Engineers designing high-accuracy analog front-ends or temperature-sensitive circuits will benefit from its unmatched specifications and reliability.