HCPL-4504

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4504 is a single-channel high-speed optocoupler from Broadcom Limited, featuring a GaAsP LED coupled to an integrated phototransistor. It operates at data rates up to 1 Mb/s with a propagation delay of 200 ns and isolation voltage of 3750 Vrms. The device supports a maximum forward current of 25 mA and output current of 8 mA, with a typical current transfer ratio of 65%. It functions within a temperature range of -55°C to +100°C and is available in PDIP-8 packaging.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High common-mode rejection ratio for noise immunity
• Guaranteed propagation delay difference for precise timing
• Integrated high-gain photodetector for fast response

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix (e.g., -000E, -300E) to confirm package type and compliance status. Ensure the selected variant matches the required isolation voltage rating and mounting style for the target PCB design. Cross-reference the manufacturer part number with official datasheets to confirm electrical characteristics before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component for applications requiring high-speed digital isolation with tight propagation delay matching. Consider the PDIP-8 package for through-hole assembly or variants like HCNW4504 for surface-mount needs. Verify that the 3750 Vrms isolation rating meets system safety requirements and that the 1 Mb/s data rate suffices for the signal frequency.

Transistor, Photovoltaic Output Optoisolators Part Context

Part of the HCPL series designed for industrial and communication interfaces. It provides galvanic isolation between input and output circuits while transmitting digital signals. The series is widely used in environments requiring robust noise immunity and reliable signal transmission across isolated domains.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCNW4504-500E offers similar electrical performance in an SMD package. HCPL-0454 is a direct functional equivalent in DIP-8 format. Verify pinout compatibility and thermal characteristics when substituting.