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The SFH609-1XG is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features an infrared LED input and an NPN silicon phototransistor output with a base terminal, housed in a 6-pin DIP package. Key electrical parameters include a maximum forward voltage of 1.65V, a maximum input current of 60 mA, and an isolation voltage of 5.3 kVrms (7500 V Pk). The device exhibits a typical rise time of 2µs and a typical fall time of 11µs. Current transfer ratio ranges from a minimum of 40% to a maximum of 80%.
Verify the manufacturer designation as Isocom Components 2004 LTD or Isocom Components Limited when sourcing. Confirm the specific suffix '1XG' corresponds to the standard NPN phototransistor configuration without base connection modifications. Ensure compliance with relevant safety standards associated with the 5.3 kVrms isolation rating before integration into certified equipment designs.
Select this component for applications requiring a standard NPN phototransistor output with a base pin for improved performance characteristics. The 6-pin DIP package facilitates through-hole mounting. Consider the 40% to 80% current transfer ratio range for logic level compatibility. Verify that the 5.3 kVrms isolation voltage meets the system's safety requirements.
This part belongs to the SFH600 series of optically coupled isolators, which typically consist of an infrared emitting diode paired with an NPN silicon phototransistor. The series is designed for general-purpose isolation tasks. Other variants in the family may differ in packaging or specific electrical characteristics, but share the fundamental LED-to-transistor architecture.
Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing with other manufacturers requires independent verification of pinout, CTR, and isolation ratings.