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ISP814XSM is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Isocom Components 2004 LTD. Its product description is OPTOISOLTR 5.3KV 1CH TRANS 4-SMD. Review the specifications below when checking this part for your BOM.
The ISP814XSM is a single-channel surface-mount optocoupler from the Isocom ISP series, housed in a 4-pin DIP package. It features an AC input and provides electrical isolation with a rated voltage of 5300Vrms. The device operates within a temperature range of -30°C to 100°C. Key electrical parameters include a maximum forward voltage of 1.4V, typical rise time of 4μs, and typical fall time of 3μs. The current transfer ratio ranges from a minimum of 0.2% to a maximum of 3%.
Verify the specific suffix 'XSM' against official manufacturer documentation to confirm the exact package variant and tape-and-reel specifications. Ensure that the low current transfer ratio (0.2%-3%) aligns with the sensitivity requirements of the receiving circuitry. Confirm UL recognition status and compliance with relevant safety standards before final integration into certified equipment designs.
Select this component when a surface-mount solution is required for AC-coupled signal isolation. The narrow current transfer ratio indicates suitability for digital switching or logic interfacing rather than linear amplification. Compare the 5300Vrms isolation rating against system safety requirements. Consider the operating temperature range of -30°C to 100°C for environmental compatibility.
This part belongs to the ISP series of phototransistor optically coupled isolators manufactured by Isocom Components. The series offers various pin configurations and mounting styles to replace standard industry components. The ISP814XSM specifically addresses the need for compact, surface-mounted isolation in space-constrained electronic assemblies.
Consult official Isocom cross-reference lists for verified substitutes. Generic equivalents may differ significantly in current transfer ratio and isolation voltage ratings.
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