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ISP621-4GRSM is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Isocom Components 2004 LTD. Its product description is OPTOISO 5.3KV 4CH TRANS 16-SMD. Review the specifications below when checking this part for your BOM.
The ISP621-4GRSM is a quad-channel optoisolator manufactured by Isocom Components 2004 LTD. It features transistor outputs and utilizes a 16-pin surface mount package. The device provides an isolation voltage of 5300Vrms. Key electrical parameters include a maximum forward voltage of 1.3V, a maximum input current of 50mA, and a typical rise time of 2μs. The typical fall time is 3μs. The component operates within a temperature range of -30°C to 100°C.
Verify the specific suffix 'GRSM' against official Isocom documentation to confirm pinout and packaging dimensions. Ensure compatibility with existing PCB footprints. Confirm operating temperature ranges match system requirements. Check for RoHS compliance status in the latest datasheet. Validate that the 5300Vrms isolation rating meets circuit safety standards.
Select this component when multiple isolated channels are required in a compact surface mount form factor. Consider the 5300Vrms isolation level for high-voltage separation needs. Evaluate the 50mA input current capability against drive source limitations. Assess the 2μs/3μs switching speeds against signal frequency requirements. Compare physical dimensions with available board space constraints.
This part belongs to the ISP621 series from Isocom Components 2004 LTD, a manufacturer specializing in optocouplers and photoelectric switches. The company has over 40 years of history in the industry, originating from Litronix management. The ISP621 series is designed for electrical isolation using transistor outputs, serving as a replacement for various standard commercial optocouplers.
Public confirmed substitute part numbers are not provided in the available data.
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