Optocoupler for MCU Signal Isolation

✅ Output Type: Transistor, matches the required transistor output optocoupler.
✅ Number of Channels: 1, matches requirement.
✅ Voltage - Isolation: 5000Vrms, exceeds the minimum 3750Vrms requirement.
✅ Current Transfer Ratio (Min): 50% @ 5mA, meets the minimum CTR requirement of 50% and matches the allowed test-current note.
✅ Voltage - Output (Max): 35V, exceeds the minimum required 30V for the relay driver side.
✅ Current - Output / Channel: 50mA, exceeds the minimum required 10mA.
✅ Voltage - Forward (Vf) (Typ): 1.2V, within the maximum allowed 1.5V, suitable for 3.3V GPIO drive with series resistor.
✅ Current - DC Forward (If) (Max): 50mA, meets the minimum required 50mA maximum input LED rating.
✅ Mounting Type: Through Hole, matches requirement.
✅ Package / Case: 4-DIP, matches requirement for easy prototyping.
✅ Operating Temperature: -55°C to 110°C, wider than the required -40°C to +105°C industrial range.
✅ RoHS Compliance: ROHS3 Compliant, satisfies requirement.

All required specifications are satisfied. This component is approved for MCU-to-relay-driver signal isolation in the stated application.