MOCD208R1M

Transistor, Photovoltaic Output Optoisolators Overview

The MOCD208R1M is a dual-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and is housed in an 8-pin SOIC narrow package. The device provides an insulation voltage of 2500 VRMS. Key electrical parameters include a minimum current transfer ratio (CTR) of 40% and a maximum CTR of 125%. The forward voltage is specified at 1.5 V with a maximum forward current of 60 mA. The collector-emitter saturation voltage is 400 mV, with a maximum collector current of 150 mA and a maximum collector-emitter voltage of 70 V. Switching characteristics include a rise time of 3.2 µs and a fall time of 4.7 µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for independent signal isolation
• High insulation voltage capability for safety separation
• NPN phototransistor output for digital switching applications

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation
• Microprocessor system interface circuits
• Solid-state relay driver circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix R1M to confirm the tape and reel packaging format. Ensure compatibility with standard SOIC-8 footprint dimensions during PCB layout. Confirm RoHS compliance status through the official datasheet before integration into regulated products.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required within a compact surface-mount form factor. The 2500 VRMS rating suits general industrial isolation needs. Verify that the 150 mA collector current meets load requirements and that the 40-125% CTR range fits the design margin.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the MOCD series of optocouplers from onsemi. It is designed for cost-effective isolation solutions where space is limited. The series utilizes GaAs infrared LEDs coupled with silicon phototransistors to ensure reliable performance across various temperature ranges.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes such as the MOCD208R2M if different packaging or minor parameter variations are acceptable. Verify functional equivalence regarding CTR and isolation voltage before substitution.