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Y4485V0004AT9R

Y4485V0004AT9R Description

The Y4485V0004AT9R from VPG Foil Resistors is a high-precision 2-resistor network designed for voltage divider applications with TCR-matched performance. This surface-mount device (SMD) features an ultra-tight tolerance of ±0.05% and an exceptionally low temperature coefficient of resistance (TCR) of ±0.2ppm/°C, ensuring stability across varying thermal conditions. With a 1kΩ resistance per element, it offers ±0.01% resistor matching ratio and ±0.1ppm/°C resistor-ratio drift, making it ideal for applications demanding extreme accuracy. Packaged in a compact 1610 (4.06mm x 2.69mm) footprint and rated for 50mW power per element, it is part of the DSMZ series, known for reliability in precision circuits.

Y4485V0004AT9R Features

• Ultra-High Precision: ±0.05% tolerance and ±0.2ppm/°C TCR for unmatched stability.
• TCR-Matched Pair: Ensures minimal drift in voltage divider configurations (±0.1ppm/°C ratio drift).
• Low Ratio Mismatch: ±0.01% matching for balanced performance in differential circuits.
• Compact & Robust: 0.071" (1.80mm) profile with a 1610 package, suitable for space-constrained designs.
• Reliable Construction: RoHS3-compliant, MSL1-rated for unlimited shelf life and easy handling.
• Surface-Mount Ready: Tape & reel (TR) packaging for automated assembly efficiency.

Y4485V0004AT9R Applications

This resistor network excels in high-precision analog circuits, including:

• Reference voltage dividers in precision ADCs/DACs.
• Sensor signal conditioning (e.g., strain gauges, RTDs).
• Medical instrumentation requiring low drift (e.g., patient monitors, imaging systems).
• Aerospace & defense electronics where thermal stability is critical.
• Calibration equipment and metrology tools demanding sub-ppm-level accuracy.

Conclusion of Y4485V0004AT9R

The Y4485V0004AT9R stands out as a top-tier solution for applications requiring ultra-stable voltage division with minimal thermal drift. Its combination of tight tolerances, TCR matching, and compact form factor makes it superior to generic resistor networks, particularly in mission-critical and high-reliability systems. For engineers designing precision analog or measurement circuits, this component delivers repeatable performance under demanding environmental conditions.