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ISP814A 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-DIP. Review the specifications below when checking this part for your BOM.
The ISP814A is a single-channel optocoupler from the ISP series, manufactured by Isocom Components. It features an AC input LED and a phototransistor output, housed in a 4-pin PDIP package. Key electrical parameters include a maximum forward voltage of 1.4V, a typical rise time of 4μs, and a typical fall time of 3μs. The device supports a maximum input current of 50mA and offers a minimum isolation voltage of 5.3kVrms. It operates within a temperature range of -30°C to 100°C, with a current transfer ratio ranging from 20% to 300%.
Verify the specific suffix against official datasheets to confirm pinout and electrical tolerances. Ensure the procurement channel provides original manufacturer documentation to validate UL recognition and RoHS compliance status. Cross-reference the component marking with the manufacturer's approved part list to prevent counterfeit substitution.
Select this component when AC drive capability is required without external rectifiers. Consider the 5.3kVrms isolation rating for safety-critical interfaces. Evaluate the 4μs switching speed against system timing requirements. Confirm that the PDIP form factor fits the target PCB layout constraints.
This part belongs to the ISP series, which focuses on replacing discontinued or hard-to-find optocouplers. Isocom Components specializes in infrared optoelectronic devices, offering alternatives to industry standards. The series is designed for commercial applications requiring reliable optical isolation.
Public confirmed substitute part numbers are not available in the provided source material.
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