HCPL-0300 Optoisolator: High-Performance 3.75kV Optical Isolation Solution by Broadcom 2025-04-21 Explore the HCPL-0300 optoisolator by Broadcom - a 3.75kV isolated, 5MBd logic output optocoupler in SOIC-8 package. Ideal for industrial automation, medical devices & telecom applications.