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The PS2501L-1-W-A is a transistor output optoisolator manufactured by CEL. It features an NPN silicon phototransistor coupled with a GaAs light emitting diode. The device provides high isolation voltage of 5000 Vrms. It utilizes a Gull Wing SMD/SMT package configuration for surface mount applications.
Verify the specific suffix 'W-A' against current manufacturer catalogs as this variant may be discontinued or superseded. Confirm lead bending type compatibility with PCB footprint requirements. Check for equivalent active parts if original availability is limited.
Select this component for applications requiring surface mount isolation with standard NPN phototransistor output. Ensure the 5000 Vrms isolation rating meets system safety standards. Verify forward voltage and collector current specifications align with circuit design constraints.
This part belongs to the PS2501L series of optically coupled isolators. The series includes variants with different packaging and electrical characteristics. The L designation indicates the lead bending type for surface mount technology, distinguishing it from DIP versions.
Check for direct replacements within the PS2501L family. Consider generic NPN phototransistor optocouplers with matching isolation voltage and package dimensions if exact substitutes are unavailable.