HCPL-4534#300

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4534#300 is a high-speed optocoupler from Broadcom Limited featuring two independent channels in an 8-SMD surface-mount package. It provides a data rate of 1 Mb/s and supports a maximum forward current of 25 mA with a typical forward voltage of 1.5 V. The device offers an isolation voltage of 3750 Vrms and operates within a temperature range of -55°C to +100°C. Output characteristics include a collector current of 8 mA and a current transfer ratio ranging from 24% to higher values depending on specific conditions.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-speed signal transmission capability supporting 1 Mb/s data rates
• Dual-channel configuration for simultaneous isolated signal processing
• Robust electrical isolation rated at 3750 Vrms
• Surface-mount packaging designed for automated assembly

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial communication interfaces requiring galvanic isolation
• Power supply feedback loops for voltage regulation
• Microcontroller input/output isolation in noisy environments
• Signal transmission between different ground potential domains

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the exact suffix #300 against official Broadcom documentation to confirm the specific tape-and-reel quantity and RoHS compliance status. Ensure the ordering part number matches the required package variant and environmental certification before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required alongside high-speed digital signaling up to 1 Mb/s. Consider the 8-SMD footprint constraints and the 3750 Vrms isolation rating relative to system safety standards. Evaluate the 25 mA input drive requirements against available logic levels.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-4534 series, which represents Broadcom's high-speed phototransistor output optocouplers. The series is engineered to replace slower conventional optocouplers in applications demanding faster response times while maintaining reliable electrical isolation between circuit sections.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL-4534-520E is a documented alternative offering identical functional specifications but in a through-hole PDIP-8 package. Verify pinout compatibility and mounting requirements when substituting between surface-mount and through-hole variants.