HCPL-4504#520

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4504#520 is a single-channel high-speed optocoupler manufactured by Broadcom Limited. It integrates a GaAsP LED optically coupled to a high-gain phototransistor detector. The device features a data rate of 1 Mb/s and an isolation voltage of 3750 Vrms. Key electrical parameters include a maximum collector current of 8 mA, a typical current transfer ratio of 65%, and a forward voltage of 1.5 V. It operates within a temperature range of -55°C to +100°C and is housed in an 8-pin PDIP package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High common-mode rejection ratio (CMR) for noise immunity
• Guaranteed propagation delay matching for precise timing control
• Optimized for TTL and CMOS logic interface compatibility

Transistor, Photovoltaic Output Optoisolators Applications

• IPM inverter dead-time control
• Line reception circuits
• High-speed logic ground isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix #520 against the official datasheet to confirm pinout and packaging details. Ensure compliance with RoHS directives if required by your application standards. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm availability status as this series may have limited stock or end-of-life implications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed signal transmission with galvanic isolation is required. The guaranteed propagation delay difference makes it suitable for applications demanding precise timing synchronization. Consider the 3750 Vrms isolation rating for safety-critical designs. Evaluate the 8 mA output current capability against load requirements before finalizing the design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL-4504 series from Broadcom, designed for high-performance isolation applications. The series is known for its robust CMR and speed, making it a standard choice for industrial and communication interfaces requiring reliable signal transfer across isolated boundaries.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct substitutes like HCNW4504 variants for surface-mount needs. Verify pin compatibility and electrical specifications before swapping. Consult the manufacturer's PCN for any obsolescence notices.