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IS733XG is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Isocom Components 2004 LTD. Its product description is OPTOISO 5.3KV TRANS W/BASE 6-DIP. Review the specifications below when checking this part for your BOM.
The IS733XG is a Darlington output optocoupler manufactured by Isocom Components. It features a single element configuration with plastic encapsulation and a DIP-4 package. The device provides high isolation capability, rated at 5300V. This component is designed for applications requiring electrical isolation between input and output circuits while transmitting signals via an internal LED and phototransistor pair.
Verify the manufacturer designation matches Isocom Components exactly. Confirm the part number suffix 'XG' corresponds to the specific packaging and tape-and-reel or tube configuration required. Ensure the datasheet specifies the Darlington output type and 5300V isolation rating to match design requirements. Cross-reference the package style as DIP-4 plastic.
Select this component when high gain from the phototransistor is needed due to the Darlington structure. The 5300V isolation rating suits high-voltage separation needs. Consider the DIP-4 package for through-hole mounting. Verify that the switching speed and current transfer ratio meet the specific circuit timing and load requirements compared to standard phototransistor outputs.
This optocoupler belongs to the family of discrete semiconductor devices used for galvanic isolation. It utilizes light transmission to isolate circuits. The Darlington output variant offers higher sensitivity than single transistor outputs. It is distinct from digital isolators or transformer-based solutions by using an LED-phototransistor mechanism within a plastic package.
Public confirmed substitute part numbers are not available in the provided source material.
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