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The onsemi 6N137SDM is a high-speed logic output optocoupler featuring an 8-SMD surface-mount package. It provides a data rate of 10 Mb/s with propagation delays of 75 ns maximum for both rise and fall times. The device offers 5000 Vrms isolation voltage and a typical common-mode transient immunity (CMTI) of 10 kV/µs. It operates within a temperature range of -40°C to 100°C, supports a forward current of up to 50 mA, and delivers an output current of 50 mA per channel.
Verify the specific suffix 'SDM' corresponds to the 8-SMD鸥翼 (gull-wing) package configuration rather than DIP variants. Confirm that the 5000 Vrms isolation rating meets system safety requirements. Ensure the 100°C maximum junction temperature aligns with thermal management designs. Check RoHS compliance status for environmental regulations.
Select this component when high-speed digital isolation is required alongside robust noise rejection capabilities. The open-collector output interface allows flexibility in voltage level translation. Consider the 8-SMD footprint constraints during PCB layout. Evaluate the 75 ns propagation delay against timing-critical application requirements.
This device belongs to the 6N137 series of high-speed optocouplers from onsemi. It serves as a modern replacement for legacy DIP-packaged versions, offering equivalent electrical performance in a compact surface-mount form factor. The series is widely recognized for reliable logic-level isolation in digital communication applications.
HCPL-2631M is a documented substitute part number within the same product family.