HCPL-4503#020

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4503#020 is a single-channel high-speed optocoupler featuring an LED input and phototransistor output. It provides electrical isolation with a maximum insulation voltage of 5000 Vrms. The device supports data rates up to 1 MBd and operates within a temperature range of -55°C to 100°C. Key electrical parameters include a forward current of 25 mA, forward voltage of 1.5 V typical, reverse voltage of 5 V, collector output current of 8 mA, and power dissipation of 100 mW. It is housed in a surface-mount DIP-8 package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-speed signal transmission with a data rate of 1 MBd
• Features enhanced electrical isolation capability up to 5000 Vrms
• Utilizes a diode-transistor architecture for reduced base-collector capacitance
• Compatible with CMOS logic circuits

Transistor, Photovoltaic Output Optoisolators Applications

• High-speed digital communication interfaces
• Industrial control systems requiring galvanic isolation
• Power supply feedback loops
• Signal isolation between microprocessors and peripheral devices

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix #020 confirms the 5000 Vrms insulation rating and surface-mount DIP-8 packaging configuration. Ensure compliance with RoHS directives if required by the application. Confirm that the operating temperature range of -55°C to 100°C meets environmental specifications. Cross-reference the manufacturer part number with official Broadcom documentation to validate active status and availability.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed isolation exceeding standard optocoupler capabilities is necessary. The 5000 Vrms rating suits applications demanding robust barrier protection. Consider the 1 MBd speed limit for signal integrity requirements. Evaluate the surface-mount package constraints against PCB layout space. Compare against variants like HCPL-4503-360E if lower insulation voltage or different packaging is acceptable.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-4503 series of single-channel high-speed optocouplers manufactured by Broadcom Limited. The series utilizes an insulating layer between the LED and integrated photodetector to ensure electrical separation. Variants within the family differ primarily in insulation voltage ratings and package types, such as PDIP-8 or SO-8 configurations.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL-4503-020E serves as a lead-free compliant alternative within the same functional specification.