H11L3SM

Logic Output Optoisolators Overview

The onsemi H11L3SM is a single-channel logic output optocoupler featuring an open-collector phototransistor and a Schmitt trigger input. It operates with a DC input and provides high-speed performance, characterized by typical rise and fall times of 100 ns and a maximum data rate of 1 MHz. The device offers robust isolation with a voltage rating of 4170 Vrms. It supports a maximum continuous output current of 50 mA and accepts a maximum forward input current of 30 mA. The component functions within a temperature range of -40°C to +85°C and is housed in a compact 6-SMD surface-mount package.

Logic Output Optoisolators Feature Summary

• Integrates a Schmitt trigger input for noise immunity and clean signal transitions
• Provides high-speed digital isolation with 1 MHz data rate capability
• Features open-collector output suitable for interfacing with various logic families

Logic Output Optoisolators Applications

• Microcontroller interface circuits requiring galvanic isolation
• Signal transmission in noisy industrial environments
• Logic level shifting between different voltage domains

Logic Output Optoisolators Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics, as variations exist within the H11L series. Ensure the selected variant matches the required surface-mount package type and isolation voltage ratings for the target application design.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside noise rejection capabilities provided by the Schmitt trigger input. Consider the 4170 Vrms isolation rating for safety-critical applications and verify that the 50 mA output current capacity meets the load requirements of the downstream circuitry.

Logic Output Optoisolators Part Context

This part belongs to the H11L series of logic output optocouplers from onsemi. The series is designed for applications demanding fast switching speeds and reliable signal transmission across isolated boundaries. The H11L3SM specifically utilizes a surface-mount form factor to facilitate automated assembly and space-constrained PCB designs.

Logic Output Optoisolators Replacement Considerations

Check for direct substitutes within the same family, such as H11L3SR2M, ensuring identical pinouts and electrical specifications. Verify compatibility with existing board layouts and thermal management requirements before substitution.