H11N1SM

Logic Output Optoisolators Overview

The onsemi H11N1SM is a high-speed logic output optocoupler featuring a single channel with an open-collector configuration. It provides 4170Vrms isolation voltage and supports data rates up to 5MHz. The device utilizes a low input current of 3.2mA maximum, with a typical forward voltage of 1.4V. Output characteristics include a 50mA sink current capability and propagation delays of 330ns maximum for both rising and falling edges. Operating temperatures range from -40°C to +85°C.

Logic Output Optoisolators Feature Summary

• High-speed operation supporting 5MHz data rates
• Low input current requirement for efficient drive
• Open-collector logic output for flexible interfacing
• Robust insulation voltage rating for safety isolation

Logic Output Optoisolators Applications

• Industrial communication interfaces
• Microcontroller system isolation
• Signal transmission in noisy environments
• Logic level shifting between circuits

Logic Output Optoisolators Procurement Notes

Verify the specific suffix 'SM' indicates the surface mount package variant. Confirm RoHS compliance status as older revisions may differ. Check lead times due to potential supply chain variations. Ensure the application voltage does not exceed the rated isolation limits. Validate pinout compatibility with existing PCB footprints before finalizing orders.

Logic Output Optoisolators Selection Notes

Choose this component when high-speed digital isolation is required within a compact surface-mount footprint. The low input current makes it suitable for battery-powered or energy-efficient designs. Compare against through-hole alternatives if mechanical mounting constraints differ. Consider the open-collector output nature for pull-up resistor requirements in the target circuit design.

Logic Output Optoisolators Part Context

This part belongs to the H11N series of high-speed optocouplers from onsemi. It serves as a surface-mount replacement for legacy through-hole variants like the H11N1S. The series is designed for applications demanding fast signal transfer while maintaining electrical isolation between different voltage domains in electronic systems.

Logic Output Optoisolators Replacement Considerations

The H11N1SD is listed as a discontinued direct substitute. Verify pinout and electrical specifications match exactly before substitution. Ensure the alternative package type fits the available board space.