The BAR43AFILM is a 4.3 A Schottky barrier rectifier, packaged in a space-saving AISOFILM device, manufactured by STMicroelectronics. The device is perfect for efficient, compact, and robust reverse polarity protection of automotive, telecom, and industrial loads. With a guardring for transient and ESD protection, this device can withstand overvoltages of up to 70 V without sustaining damage. The BAR43AFILM has a maximum forward voltage of 0.45 V and is RoHS compliant.