HCPL-4504-520E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4504-520E is a high-speed optocoupler featuring a single channel with a phototransistor output. It operates within a data rate of 1 Mb/s and supports an isolation voltage of 3750 Vrms or 5000 Vrms depending on the specific variant configuration. The device utilizes a DIP-8 or SMD-8 package, accommodating through-hole or surface-mount assembly. Electrical specifications include a maximum forward current of 25 mA, a typical forward voltage of 1.5 V, and a collector output current of 8 mA. It functions reliably across a temperature range of -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High common-mode rejection ratio (CMR) designed for noisy industrial environments
• Guaranteed propagation delay difference for precise timing control in switching applications
• Integrated GaAsP LED coupled to a high-gain photodetector for enhanced speed

Transistor, Photovoltaic Output Optoisolators Applications

• Intelligent Power Module (IPM) inverter dead-time control
• High-speed logic ground isolation
• Line receiver circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the exact isolation voltage rating required for your application, as datasheets indicate variations between 3750 Vrms and 5000 Vrms for this part number family. Confirm the package style matches your PCB design, as the suffix may denote specific packaging or pin configurations. Ensure compliance with RoHS directives if applicable to your manufacturing standards. Cross-reference the manufacturer's latest documentation for any potential obsolescence notices or alternate recommendations.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed signal transmission with galvanic isolation is necessary. The 1 Mb/s data rate suits digital communication interfaces requiring noise immunity. Consider the phototransistor output type for compatibility with standard TTL and CMOS logic levels. Evaluate the thermal performance within the specified -55°C to +100°C range to ensure reliability under extreme operating conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-4504 series by Broadcom Limited, originally developed under Avago Technologies. The series is engineered for applications demanding fast response times and robust noise suppression. It represents a specialized solution for isolating control signals from power stages in modern electronic systems.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult official substitution guides for equivalent high-speed optocouplers with matching CMR and propagation delay characteristics. Verify pinout compatibility before replacing to avoid circuit redesign.