PC123X2YUP1B

Overview

The PC123X2YUP1B is a single-element transistor output optocoupler manufactured by Sharp Microelectronics. It provides electrical isolation with a maximum insulation voltage of 5000 Vrms and operates within a temperature range of -30 °C to 100 °C. The device features a minimum collector-emitter breakdown voltage of 80 V, a nominal current transfer ratio of 250%, and a maximum forward current of 0.05 A. It utilizes tin/bismuth terminal plating and complies with RoHS standards.

Feature Summary

• Provides high-voltage galvanic isolation between input and output circuits
• Utilizes a transistor output configuration for digital signal transmission
• Designed for surface-mount assembly in compact electronic systems

Applications

• Industrial control system signal isolation
• Power supply feedback loop isolation
• Microcontroller interface protection

Procurement Notes

Verify the manufacturer designation as Sharp Microelectronics or Socle Technology when sourcing this component. Confirm compliance with RoHS directives and check for specific packaging configurations such as tape and reel quantities. Ensure the part number suffix matches the required lead finish and isolation rating specifications.

Selection Notes

Select this component for applications requiring robust voltage isolation up to 5000 Vrms. Consider the 250% nominal current transfer ratio for efficient signal coupling. Evaluate the operating temperature range to ensure suitability for environments ranging from -30 °C to 100 °C. Verify package compatibility for surface-mount integration.

Part Context

This optocoupler belongs to the family of transistor output isolators designed for reliable data transmission across isolated boundaries. It serves as a critical interface component in systems where ground loops must be eliminated or high-voltage transients need to be blocked from sensitive logic circuits.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.