I have some difficulties to understand what are the fatest diodes. Schottky diode are known for being the fatest diode (at least according to my knowledge) nevertheless their diode capacitance is higher than a PN diode like the 1N4148. Does someone can tell me what are the different paremeters which impact the switching speed of the diodes  ?

1N4148

Schottky diode :

Here are two datasheets, one which is a Schottky diode and the other the 1N4148 datasheet  :

https://www.mouser.fr/datasheet/2/427/1n4148w-1767905.pdf https://assets.nexperia.com/documents/data-sheet/PMEGXX05EH_EJ_SER.pdf

Thank you very much and have a nice day  !

I have some difficulties to understand what are the fatest diodes. Schottky diode are known for being the fatest diode (at least according to my knowledge) nevertheless their diode capacitance is higher than a PN diode like the 1N4148. Does someone can tell me what are the different paremeters which impact the switching speed of the diodes?

1N4148

Schottky diode :

Here are two datasheets, one which is a Schottky diode and the other the 1N4148 datasheet:

https://www.mouser.fr/datasheet/2/427/1n4148w-1767905.pdf https://assets.nexperia.com/documents/data-sheet/PMEGXX05EH_EJ_SER.pdf

Thank you very much and have a nice day!