MOC8021SD

Transistor, Photovoltaic Output Optoisolators Overview

The MOC8021SD is a single-channel optoisolator featuring a Darlington transistor output, designed for surface-mount applications in a 6-SMD package. It provides high-voltage isolation of 5300Vrms between input and output circuits. The device supports a maximum forward current of 60 mA and delivers an output current capability of 150 mA per channel. Key electrical parameters include a minimum current transfer ratio of 1000% at 10 mA input, with typical switching times of 3.5 µs for turn-on and 95 µs for turn-off. It operates within a temperature range of -55°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High voltage isolation capability of 5300Vrms ensures robust separation between control and load circuits.
• Darlington transistor output configuration provides high current gain and sensitivity for driving loads.
• Surface-mount 6-SMD packaging facilitates automated assembly and compact board design.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems requiring galvanic isolation
• Solid-state relay driver circuits
• Microcontroller interface isolation for signal integrity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SD' against official onsemi documentation to confirm package variant and tape-and-reel specifications. Confirm RoHS compliance status and lead time requirements directly with authorized distributors, as availability may vary by region. Ensure storage conditions adhere to moisture sensitivity level guidelines prior to soldering.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high current transfer ratio and fast switching speeds are required for digital isolation. Compare against alternatives based on package footprint constraints and thermal management needs. Validate that the 5300Vrms isolation rating meets the safety standards of the target application environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the MOC802 series of photovoltaic output optoisolators from onsemi. It is distinct from the standard MOC8021S, typically indicating a specific packaging or reel configuration. The series is designed for general-purpose isolation in industrial and consumer electronics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

MOC8021SM is listed as a similar alternative part number from onsemi. Verify pinout compatibility and electrical parameter equivalence before substitution.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum isolation voltage of the MOC8021SD?

The device supports an isolation voltage of 5300Vrms.

Does the MOC8021SD have base connection for the output transistor?

No, the internal Darlington transistor does not have an accessible base connection.