MOC208R2M

Transistor, Photovoltaic Output Optoisolators Overview

The MOC208R2M is a single-channel optoisolator manufactured by onsemi, featuring a phototransistor output with an accessible base terminal. It provides 2500Vrms isolation voltage and operates within a temperature range of -40°C to 100°C. The device utilizes an 8-SOIC surface-mount package. Key electrical specifications include a maximum collector-emitter voltage of 70V, a peak forward current of 60mA, and a typical forward voltage of 1.15V. The current transfer ratio ranges from 40% to 125% at 10mA input. Switching characteristics include a turn-on time of 7.5µs and a turn-off time of 5.7µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a phototransistor output with a dedicated base pin for enhanced circuit control and speed adjustment capabilities.
• Provides robust high-voltage isolation protection rated at 2500Vrms between input and output circuits.
• Designed for surface-mount assembly in compact 8-SOIC packages suitable for automated manufacturing processes.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation systems requiring signal isolation
• Solid-state relay driver circuits
• Microcontroller interface isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors as the part status is listed as obsolete. Confirm availability of surplus stock or alternative sourcing channels. Ensure compliance with RoHS directives and check for specific packaging requirements such as tape and reel quantities. Validate datasheet revisions before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single channel with base access is required for precise timing control. Consider the 70V output voltage limit and 150mA collector current capacity against load requirements. Evaluate the 2500Vrms isolation rating against system safety standards. Compare switching speeds and CTR ranges with other single-channel options if performance margins are tight.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the MOC20x series of transistor-output optocouplers. It shares functional similarities with the MOC205, MOC206, and MOC207 variants, differing primarily in internal gain characteristics. The series is designed for general-purpose isolation applications where cost-effectiveness and standard package footprints are prioritized over high-speed digital signaling.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The MOC206R2M is documented as a similar substitute option available from onsemi. Verify pinout compatibility and electrical parameter alignment before substitution. Check for any mechanical dimension differences in the 8-SOIC package to ensure board fitment remains unchanged during replacement.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the purpose of the base terminal on the phototransistor?

The base terminal allows external connection to adjust the sensitivity and switching speed of the phototransistor, enabling faster turn-off times or reduced dark current compared to floating base configurations.

What is the maximum operating temperature for this device?

The device supports an extended industrial temperature range, with a maximum operating temperature of 100°C.