HCPL-4503#360

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4503#360 is a single-channel high-speed optocoupler manufactured by Broadcom Limited. It features an 8-pin surface-mount gull-wing package (PDIP-8 variant). The device provides electrical isolation with a rated insulation voltage of 3750 Vrms. It operates at a data rate of 1 MBd and supports a maximum forward current of 16 mA. The output type is a phototransistor with a typical current transfer ratio of 25%. The component functions within a temperature range starting from 0°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Utilizes separate connections for the photodiode bias and output-transistor collector to significantly reduce base-collector capacitance, enabling speeds up to one hundred times that of conventional phototransistor couplers.
• Provides robust electrical insulation between input and output using an insulating layer separating the LED from the integrated photodetector.
• Designed for CMOS compatibility and features an open-collector output configuration suitable for logic IC interfacing.

Transistor, Photovoltaic Output Optoisolators Applications

• High-speed digital signal transmission requiring galvanic isolation
• CMOS-compatible logic interface circuits
• Industrial control systems with noise-sensitive environments

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix #360 against the official Broadcom datasheet to confirm the surface-mount gull-wing package configuration. Ensure compliance requirements match project needs, as standard versions may differ in RoHS status compared to -xxxE variants. Confirm lead-free specifications if required by assembly processes.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel high-speed isolation solution is required with a surface-mount footprint. The 1 MBd data rate suits moderate-speed digital communication. Verify that the 3750 Vrms isolation rating meets safety standards for the specific application voltage levels.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL series of single-channel high-speed optocouplers. The series includes variants like HCPL-4502 and HCPL-4503, available in DIP, SO-8, and Widebody packages. These devices are engineered for applications demanding fast switching speeds and reliable electrical separation between circuit sections.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for HCPL-4503#060 for through-hole equivalents or HCPL-4503#300 for other surface-mount options. Verify pinout and package dimensions before substitution to ensure mechanical compatibility.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the primary mechanism for the high speed of the HCPL-4503?

It uses separate connections for the photodiode bias and output-transistor collector to reduce base-collector capacitance, increasing speed significantly compared to conventional designs.

Is the HCPL-4503 compatible with CMOS logic?

Yes, the datasheet specifies that these optocouplers are designed for CMOS compatibility.