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LDA203S is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists IXYS Integrated Circuits Division. Its product description is OPTOISO 3.75KV 2CH TRANS 8-SMD. Review the specifications below when checking this part for your BOM.
The LDA203S is a dual-channel optoisolator manufactured by IXYS Integrated Circuits Division. It features a unidirectional input configuration with single-transistor outputs, designed for signal isolation applications. The device provides an insulation voltage of 3750 Vrms and operates within a temperature range of -40°C to +85°C. Packaged in an 8-SMD gull-wing format, it offers a power dissipation capability of 150 mW. Key electrical parameters include a maximum collector-emitter saturation voltage of 500 mV and a reverse voltage rating of 5 V.
Verify the specific manufacturer part number against official datasheets to ensure authenticity. Confirm that the component meets required insulation and thermal specifications for the target application environment. Check for moisture sensitivity handling requirements during storage and assembly processes to maintain device integrity.
Select this component when dual-channel isolation is required within a compact surface-mount footprint. Consider the 3750 Vrms insulation rating for safety-critical interfaces. Evaluate the 500 mV saturation voltage drop to ensure compatibility with low-voltage logic levels in the receiving circuitry.
The LDA203S belongs to the family of high-reliability optocouplers from IXYS. It utilizes photovoltaic or transistor-based coupling technology to transfer signals across isolated barriers. This series is engineered for durability in demanding electronic environments, offering consistent performance over extended operational lifespans.
Public confirmed substitute part numbers are not available in the provided documentation.
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