1. Schottky three important parameters are: 1 current, 2 reverse voltage, 3VF value.

To give you an example: output a 2A 12V power supply. How to choose? The formula is as follows:

    Output more than 3-5 times ------ current

    Output 12 * 8 times ------ reverse voltage

Therefore, you can see the appropriate model is: MBR10100CT. Parameters are small, Schottky will breakdown, if the parameters are much larger, nor desirable, one: the greater the voltage, VF value is proportional to. The greater the loss, the higher the temperature; the second: the higher the cost.