| NO. | Name | Description | Download | 
|---|---|---|---|
| 1 | WS2393X PRT Resistor Design V1.0 | This tool helps engineers design PRT resistor value under the condition of known transformer parameters |  WS2393X PRT Resistor Design V1.0.xl | 
| 2 | WS2393X SSR Design V1.0 | This tool helps engineers design SSR flyback controller solutions based on WS2393X |  WS2393X-SSR-Design-V1.0.xl | 
| 3 | WS2597X PSR Design V1.0 | This tool helps engineers design PSR flyback controller solutions based on WS2597X |  WS2597X-PSR-Design-V1.0.xls |