The STPS0520Z is a Schottky rectifier from STMicroelectronics. It has very small conduction losses, negligible switching losses and extremely fast switching speed. This diode is suitable for switch mode power supplies and high frequency DC to DC converters. It is packaged in SOD-123 and is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection applications. Due to the small size of the package, this device fits GSM and PCMCIA requirements.