HCPL-4503-520E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4503-520E is a high-speed optocoupler from the Broadcom HCPL series, featuring a single channel with a phototransistor output. It supports data rates up to 1 Mb/s and provides an isolation voltage of 3750 Vrms. The device operates within a temperature range of -55°C to +100°C and is housed in an 8-SMD Gull Wing surface-mount package. Key electrical parameters include a forward current of 16 mA, a forward voltage of 1.5 V, and a maximum collector current of 8 mA. The power dissipation is rated at 100 mW, with a typical turn-on time of 200 ns and turn-off time of 600 ns.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-speed signal transmission capability supporting 1 Mb/s data rates for efficient digital communication.
• Robust electrical isolation with 3750 Vrms insulation voltage to protect low-voltage control circuits from high-voltage noise.
• Wide operating temperature range extending from -55°C to +100°C for reliability in harsh industrial environments.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation systems requiring isolated digital signal interfaces
• Power supply feedback loops for gate drive isolation
• Data acquisition systems needing galvanic isolation between sensors and controllers

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix code to confirm the packaging format, as the base model may be available in tubes or reels. Confirm RoHS compliance status directly with the manufacturer, as historical batches may vary. Check for active production status or last-time buy notices, as this component family has seen discontinuation events. Ensure the surface-mount variant matches the PCB footprint requirements precisely.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel high-speed interface with phototransistor output is required. Compare against the HCPL-4506 if open-collector logic output is preferred instead. Consider the HCPL-4503-000E if through-hole mounting is necessary rather than surface mount. Evaluate the current transfer ratio specifications against the driving circuit capabilities to ensure sufficient margin for switching speeds.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the Broadcom HCPL series of high-speed optocouplers, designed for demanding industrial applications. The series offers various output types including phototransistors and logic outputs. The HCPL-4503 specifically targets applications requiring fast response times and reliable isolation in compact surface-mount packages.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL-4503-520 (Tube version)

Transistor, Photovoltaic Output Optoisolators FAQ

What is the typical propagation delay for the HCPL-4503-520E?

The typical turn-on time is 200 ns and the typical turn-off time is 600 ns.

Does the HCPL-4503-520E support surface-mount installation?

Yes, it is available in an 8-SMD Gull Wing package suitable for surface-mount technology.