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MCT2ESD is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists onsemi. Its product description is OPTOISO 5.3KV TRANS W/BASE 6-SMD. Review the specifications below when checking this part for your BOM.
The onsemi MCT2ESD is a single-channel optocoupler featuring an NPN phototransistor output with a base terminal, housed in a surface-mount 6-SMD package. It provides high isolation voltage of 5300Vrms and supports a maximum collector-emitter voltage of 30V. The device operates within a temperature range of -55°C to 100°C and offers a minimum current transfer ratio of 20% at 10mA forward current.
Verify the specific suffix 'SD' against official datasheets to confirm the tape-and-reel packaging configuration. Ensure compatibility with surface-mount reflow soldering profiles. Confirm RoHS compliance status through manufacturer documentation before integration into regulated products.
Select this component when surface-mount space constraints require a compact isolation solution. The integrated base allows for faster switching compared to standard phototransistors. Verify that the 5300Vrms isolation rating meets the safety requirements of the target application environment.
This part belongs to the MCT2E series of transistor-output optocouplers. It serves as the surface-mount equivalent to through-hole DIP variants, maintaining similar electrical characteristics while adapting to modern PCB assembly techniques. The series is widely used in general-purpose isolation applications.
Direct replacement options include the MCT2ESM variant from onsemi. Cross-brand equivalents such as the 4N25-000E may be considered if pinout and electrical specifications align with the design requirements.
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