MOC208VM

Transistor, Photovoltaic Output Optoisolators Overview

The MOC208VM is a single-channel optoisolator manufactured by onsemi, featuring an infrared LED input coupled to 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 supports a maximum DC forward current of 60 mA and a collector current of 150 mA. Key electrical parameters include a typical forward voltage of 1.15 V, a saturation voltage of 400 mV, and a current transfer ratio ranging from 40% to 125% at 10 mA. Switching characteristics include typical rise/fall times of 3.2 µs/4.7 µs and turn-on/off times of 7.5 µs/5.7 µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrated base terminal on the phototransistor output for enhanced circuit control flexibility
• High isolation voltage capability of 2500Vrms for safe signal transmission between isolated circuits
• Wide operating temperature range suitable for industrial and commercial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation systems requiring galvanic isolation
• Solid-state relay driver circuits
• Microcontroller interface isolation for noise immunity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'VM' against the manufacturer's official datasheet to confirm pinout and packaging details, as suffixes often denote tape-and-reel or specific environmental ratings. Confirm RoHS compliance status directly with onsemi documentation. Ensure the component source is authorized to avoid counterfeit risks, particularly given the availability of similar part numbers in the MOC20x series.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select the MOC208VM when a phototransistor output with a base connection is required for improved switching speed or linear operation capabilities compared to standard transistor outputs. Compare the 2500Vrms isolation rating against system safety requirements. Evaluate the 40-125% CTR range to ensure adequate drive margin for the load. Consider the 8-SOIC package dimensions for PCB layout constraints relative to alternative DIP packages.

Transistor, Photovoltaic Output Optoisolators Part Context

The MOC208VM belongs to the MOC20x family of transistor-output optocouplers from onsemi. This series is designed for general-purpose isolation applications where moderate speed and high reliability are needed. The 'VM' suffix typically indicates a specific packaging variant, such as tape and reel, distinct from the standard tube-packaged versions like MOC208R2M.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitutes include MOC206R2M and MOC207R2M from onsemi, which share similar form factors and functional families but may differ in channel count or specific electrical characteristics.