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ISP814X 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 Isocom Components ISP814X is a single-channel through-hole optocoupler featuring an AC input LED and phototransistor output. It utilizes a 4-pin PDIP package and provides 5300Vrms isolation voltage. The device operates within a temperature range of -30°C to 100°C, with a typical rise time of 4μs and fall time of 3μs. Key electrical parameters include a maximum forward voltage of 1.4V, maximum input current of 50mA, and a current transfer ratio ranging from 20% minimum to 300% maximum.
Verify that the specific part number suffix matches the required packaging format, as variations exist between through-hole and surface-mount versions within the same series. Confirm compliance requirements such as UL recognition against project specifications. Ensure the selected variant aligns with the intended mounting method and thermal management needs for the final assembly.
Select this component when AC line sensing or direct AC coupling is required in the isolation interface. The wide operating temperature range supports demanding industrial environments. Verify that the current transfer ratio meets the logic level requirements of the downstream transistor circuit. Consider the physical dimensions of the PDIP package for PCB layout constraints.
This device belongs to the ISP series of optocouplers manufactured by Isocom Components. The series includes various configurations for different isolation and switching needs. This specific model focuses on AC input compatibility, distinguishing it from standard DC-input variants in the manufacturer's portfolio.
Public confirmed substitute part numbers are not available in the provided documentation.
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