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CNY74-2H is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Vishay Semiconductor Opto Division. Its product description is OPTOISOLTR 5.3KV 2CH TRANS 8-DIP. Review the specifications below when checking this part for your BOM.
The CNY74-2H is a dual-channel optocoupler manufactured by Vishay Semiconductor Opto Division. It integrates a Gallium Aluminum Arsenide (GaAlAs) infrared LED with two silicon NPN phototransistors. The device provides an isolation test voltage of 5000 VRMS and a working voltage of 5300Vrms. The current transfer ratio ranges from a minimum of 50% to a maximum of 600% at a forward current of 5mA. The operating temperature range extends from -55°C to 100°C.
Verify the component status as obsolete before procurement planning. Confirm that the specific package type matches the design requirements, as availability may be limited. Ensure that the electrical parameters meet the system specifications for isolation voltage and current transfer ratio.
Select this component when dual-channel isolation is required within a single package. Consider the wide current transfer ratio range for signal integrity. Verify thermal management capabilities given the high operating temperature limit. Ensure the isolation voltage meets the safety standards of the target application.
The CNY74-2H belongs to the CNY74 family of multichannel optocouplers. It shares the same internal structure as the CNY74-4H but contains only two isolator channels instead of four. This family utilizes GaAlAs LEDs for efficient infrared emission and silicon NPN phototransistors for output switching.
Public confirmed substitute part numbers are not available in the provided documentation.
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