PC123X2YUP0F

Overview

The PC123X2YUP0F is a surface-mount photocoupler from Sharp featuring a single phototransistor output. It utilizes a Mini-flat 4-pin package designed for compact applications. The device provides an isolation voltage of 5 kVrms, ensuring robust electrical separation between input and output circuits. Key performance metrics include a typical rise time of 4 µs and a fall time of 3 µs. The maximum forward voltage is rated at 1.4 V, with a maximum input current of 50 mA. The current transfer ratio ranges from a minimum of 50% to a maximum of 400%, supporting reliable signal transmission in digital isolation scenarios.

Feature Summary

• Integrates a single phototransistor output within a compact surface-mount package
• Provides reinforced insulation with high isolation voltage capability
• Features low input current requirements for efficient power consumption

Applications

• Digital signal isolation in microprocessor systems
• Interface circuits for general-purpose logic devices
• Power supply feedback loops requiring galvanic isolation

Procurement Notes

Verify the specific suffix codes against official Sharp datasheets to confirm pin configuration and safety approvals. Ensure the component matches the required Mini-flat 4-pin footprint and thermal characteristics for your PCB layout. Cross-reference the manufacturer part number with authorized distributors to guarantee authenticity and traceability.

Selection Notes

Select this component when space constraints require a surface-mount solution with standard phototransistor output characteristics. Consider the 5 kVrms isolation rating for applications demanding significant voltage separation. Evaluate the current transfer ratio range to ensure compatibility with the driving circuit's output capabilities and the receiving logic's input thresholds.

Part Context

This model belongs to Sharp's PC123 series, which offers various configurations including DIP and SMT packages. The series is characterized by high reliability and compliance with international safety standards. Variants within the series differ primarily in package type and specific electrical parameters, catering to diverse industrial and consumer electronics needs.

Replacement Considerations

Compatible substitutes include the PC123X1YIP0F and PC123X2YSZ1B, provided they match the required package dimensions and electrical specifications. Verify that alternative components meet the same isolation voltage and current transfer ratio requirements for seamless integration.