Q4438-BL и другие
| Компонент | Описание | Производитель | |
| AP4438BGM-HF | Lower Gate Charge, Simple Drive Requirement |
Advanced Power Electronics Corp. |
 |
| CTQ4438-B | Standard Flyback Regulators |
Central Technologies |
|
| CTQ4438-BF | Standard Flyback Regulators |
Central Technologies |
|
| Q4438-BL | Magnetics for LM258X Flyback Regulator |
Coilcraft lnc. |
|