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The PS2533L-1-F3-A is a transistor output optocoupler manufactured by CEL, featuring a GaAs light emitting diode and an NPN silicon Darlington phototransistor. It utilizes a surface mount gull-wing DIP-4 package. Key electrical parameters include a maximum collector-emitter voltage of 350 V, a minimum current transfer ratio of 1500%, and an isolation voltage of 5000 Vrms. The device supports a forward current of up to 80 mA with typical rise and fall times of 100 µs.
Verify the manufacturer designation carefully, as this component is produced by CEL (Custom Electronic Laboratory) but shares part numbering conventions with Renesas Electronics. Confirm the specific suffix indicates the lead bending type for surface mount applications. Ensure compatibility with existing PCB footprints designed for gull-wing packages before procurement.
Select this component when high collector-emitter voltage ratings are required alongside surface mount constraints. The NPN Darlington output provides high gain suitable for driving loads directly. Consider the 5000 Vrms isolation rating for safety-critical applications. Verify that the 100 µs switching speed meets the system timing requirements.
This component belongs to the PS2533L series of optically coupled isolators. The series combines a GaAs LED with an NPN silicon Darlington phototransistor. The PS2533L variant specifically denotes the lead bending type package intended for surface mount technology, distinguishing it from the standard plastic DIP versions.
Public confirmed substitute part numbers include PS2533L-1.