MOC8021S

Transistor, Photovoltaic Output Optoisolators Overview

The MOC8021S is a single-channel optoisolator manufactured by onsemi, featuring a Darlington transistor output. It provides high isolation voltage of 5300Vrms and supports a maximum collector-emitter voltage of 50V with a peak output current of 150mA. The device operates within a temperature range of -55°C to 100°C and utilizes a 6-SMD gull-wing package. Key electrical parameters include a minimum current transfer ratio of 1000% at 10mA forward current and a typical turn-on/turn-off time of 3.5µs/95µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability for robust circuit protection
• Darlington transistor output configuration for high gain
• Wide operating temperature range suitable for industrial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops
• Microcontroller interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component status as the MOC8021S is listed as obsolete. Confirm availability of qualified substitutes such as the MOC8021SM. Ensure datasheet revisions match design requirements before procurement. Check for RoHS compliance documentation specific to the manufacturing batch.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and high current transfer ratio are required in a surface-mount package. Consider the Darlington output characteristics for driving loads directly. Evaluate thermal management needs given the operating temperature range and power dissipation limits specified in the official documentation.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the MOC802 series of optocouplers from onsemi. It is designed for general-purpose isolation applications where reliable signal transmission across isolated barriers is critical. The series offers various pin configurations and output types to suit different system architectures.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The MOC8021SM is identified as a similar replacement option. Verify pinout compatibility and electrical parameter equivalence before substitution. Ensure the substitute meets the same isolation voltage and package requirements.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum isolation voltage rating?

The MOC8021S has a maximum isolation voltage rating of 5300Vrms.

What type of output does this optocoupler use?

It uses a Darlington transistor output configuration.