STBR6012-Y Automotive High Voltage Rectifier STMicroelectronics STBR6012-Y Automotive High Voltage Rectifier features a high-quality design that results in consistently reproducible characteristics and intrinsic ruggedness. These characteristics make it ideal for heavy-duty applications that demand long-term reliability like automotive applications. The STBR6012-Y is especially suitable for use as an input bridge diode in battery chargers, thanks to its ultralow conduction losses.