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The 4N28X is a single-channel optoisolator manufactured by Isocom Components 2004 Ltd. It consists of an infrared light emitting diode coupled to an NPN silicon phototransistor with a base connection. The device provides electrical isolation between input and output circuits. Key specifications include a voltage isolation rating of 5300Vrms. It is housed in a 6-pin DIP package.
Verify the specific suffix code for the ordered part, as it may indicate variations in speed or packaging. Confirm the 6-pin DIP package type matches the design requirements. Ensure the 5300Vrms isolation rating meets the safety standards of the target application. Check RoHS compliance status if required by project specifications.
Select this component when a transistor output with a base connection is required for faster switching or linear operation compared to standard phototransistors. The 6-pin DIP package facilitates through-hole mounting. Consider the 5300Vrms isolation rating for high-voltage separation needs. Verify compatibility with the driving circuit's forward voltage requirements.
Isocom Components 2004 Ltd is a UK-based manufacturer specializing in infrared optoelectronic devices. The company has over 40 years of industry expertise. Their product range includes optocouplers, optoswitches, and solid state relays. The 4N28X is part of their standard optoisolator portfolio.
Compatible substitutes include other single-channel transistor output optocouplers with base connections in 6-pin DIP packages. Verify pinout compatibility and isolation voltage ratings before substitution. Common equivalents may include parts from other manufacturers offering similar performance characteristics.