The HVMA03F40C-ST10S from Bourns is an Automotive-Qualified Flyback Transformer. It has a primary voltage of 900 V. This AEC-Q200-qualified transformer has a turns ratio of 1:1:1 and has an inductance of 40 µH. This RoHS-compliant transformer is available in a surface-mount package that measures 13 x 10.3 x 9.5 mm and is ideal for transistor gate drive power, inverter circuits, battery management systems, power delivery, and motor drive applications.