HCTSM80101AAL-E1 is a high clearance and creepage distance transformer from the HCTSM8 Series, designed for isolation power supplies using TI SN6501, SN6505B and Nexperia NXF6501-Q100 drivers. It features a toroid core construction for high coupling and low radiation, with reinforced insulation rated for a working voltage of 800 Vrms and 1000 Vpeak. The transformer offers a minimum clearance/creepage distance of 8 mm between primary and secondary, operates over a temperature range of -40°C to +125°C, and is rated for 350 mA AC current. This AEC-Q200 and RoHS compliant automotive-grade component complies with IEC 60950-1, IEC 62368-1 and IEC 60664-1 standards, making it ideal for isolated power supply applications requiring high reliability and safety isolation.