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CNY17F3S is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists onsemi. Its product description is OPTOISOLTR 5.3KV 1CH TRANS 6-SMD. Review the specifications below when checking this part for your BOM.
The CNY17F3S is a surface-mount optocoupler featuring a single channel with an NPN phototransistor output. It provides electrical isolation of 5300 Vrms between input and output circuits. The device accepts DC input with a maximum forward current of 60 mA and a typical forward voltage of 1.65 V. Key performance parameters include a collector-emitter saturation voltage of 400 mV maximum, a collector current rating of 50 mA, and a collector-emitter voltage of 70 V. The unit operates within a temperature range of -40°C to +100°C.
Verify the specific suffix variant against the target datasheet requirements. Confirm that the component status aligns with project longevity needs, as certain variants may be obsolete or discontinued. Ensure compliance with RoHS directives and check moisture sensitivity levels for proper storage handling prior to assembly.
Select this component when a standard transistor-output optocoupler is required for basic isolation tasks. Consider the 5300 Vrms isolation rating for safety compliance. Evaluate the package dimensions against PCB space constraints. Verify that the current transfer ratio meets the logic level requirements of the receiving circuit.
This part belongs to the CNY17 family of optocouplers, which are widely used for general-purpose isolation. The 'S' suffix typically denotes a surface-mount package configuration. These devices are commonly found in applications needing galvanic separation between microcontroller logic and higher voltage loads.
Public confirmed substitute part numbers: None available.
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