SFH600-4XG

Overview

The SFH600-4XG is a single-channel through-hole optocoupler manufactured by Isocom Components. It features an NPN phototransistor output and utilizes a 6-pin DIP package for standard insertion mounting. The device accepts direct current input with a maximum forward voltage of 1.65V and a maximum input current rating of 60 mA. Electrical performance specifications include a typical rise time of 2µs and a typical fall time of 11µs. The unit provides high isolation capability with a rated isolation voltage of 5300 Vrms. Current transfer characteristics are defined by a minimum CTR of 200% and a maximum CTR of 400%, ensuring reliable signal transmission within the specified operating parameters.

Feature Summary

• NPN phototransistor output configuration
• High isolation voltage rating
• Direct current input compatibility
• Standard 6-pin DIP packaging

Applications

• Industrial control systems
• Power supply protection circuits
• General purpose signal isolation

Procurement Notes

Verify the specific suffix 'XG' against official manufacturer documentation to confirm exact binning or tape-and-reel specifications, as ordering codes may dictate packaging format rather than electrical function. Ensure the procurement source is an authorized distributor to guarantee component authenticity and traceability. Cross-reference the part number with the latest datasheet revision to confirm compliance with relevant safety certifications such as UL, BSI, or VDE before finalizing purchase orders.

Selection Notes

Select this component when a single-channel isolation barrier with NPN output logic is required. The 6-pin DIP form factor supports standard PCB mounting techniques. Evaluate the 5300 Vrms isolation rating against system safety requirements. Confirm that the 200% to 400% current transfer ratio range aligns with the driving circuit's ability to switch the load effectively under varying temperature conditions without exceeding the 60 mA input limit.

Part Context

This device belongs to the SFH600 series produced by Isocom Components, a manufacturer specializing in infrared optoelectronic devices. The company positions its products as direct replacements for common industry-standard optocouplers. The SFH600 series specifically targets applications requiring robust signal isolation with NPN transistor outputs, leveraging Isocom's manufacturing capabilities to provide alternative sourcing for established electronic components.

Replacement Considerations

Isocom components are designed as direct substitutes for standard industrial optocouplers. Verify pinout compatibility and physical dimensions against the legacy component being replaced. Ensure the replacement meets the same isolation voltage and current transfer ratio requirements.