Hi, I am trying to find spice model for my power supply circuit that use 1N4745A or 1N4745 Zener diode. LT spice does not have the model on it. I have searched a lot for it but can't find anything.

anyone help me please
Thanks

 

You'll find links to them here.

 

Here's a model listing that includes the 1N4745.
For LTspice you will have to copy and paste it to the standard.dio file in the cmp directory using a text program such as Notepad.
(Be sure and back up your old file first.)
This is located in C:\Program Files (x86)\LTC\LTspiceIV\lib in my PC.