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The SFH617A-2XSM is a single-channel surface-mount optocoupler manufactured by Isocom Components. It integrates an NPN phototransistor output with a GaAs infrared LED emitter, providing electrical isolation rated at 5300 Vrms. The device features a CTR range of 63% to 125%, supporting a maximum forward current of 60 mA and a collector current of 50 mA. Key timing parameters include a typical rise time of 2 µs and fall time of 2 µs. It operates within a temperature range of -55°C to +110°C and utilizes a 4-SMD package.
Verify the specific suffix 'XSM' against official Isocom documentation to confirm exact pinout configuration and tape-and-reel specifications. Ensure that the component meets required safety certifications such as UL or VDE if used in isolated power applications. Cross-reference datasheet values for thermal resistance and moisture sensitivity levels prior to integration.
Select this component when a compact surface-mount solution is required for isolating low-power digital signals. Consider the 63-125% CTR range for biasing requirements and verify that the 50 mA collector current capacity aligns with load demands. Evaluate the 2 µs switching speed against system frequency requirements to ensure adequate response times without distortion.
This part belongs to the SFH617A series, which serves as a standard replacement for various legacy transistor-output optocouplers. Isocom Components manufactures this series to meet industry-standard pinouts and electrical characteristics, ensuring compatibility with existing designs while offering modern surface-mount packaging options for improved assembly efficiency.
Public confirmed substitute part numbers: VO617A-2XSM, SFH617A-2X009T.