onsemi SMD 5.3KV Signal Isolator and Optocoupler 4N323SD

OPTOISO 5.3KV DARL W/BASE 6SMD / Optoisolator Darlington with Base Output 5300Vrms 1 Channel 6-SMD Product overview: 4N323SD from ON Semiconductor is a Signal Isolator and Optocoupler for galvanic isolation, signal protection, industrial interfaces, optocoupled switching, and noise-resistant control circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include SMD, 5.3KV. Search-friendly keywords include isolator, optoisolator, optocoupler, galvanic isolation, SMD, 5.3KV, Signal Isolator and Optocoupler, Pluggable Connectors Assemblies. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 443-4N323SD can be used for catalog matching and distributor lookup.