PT42-21B и другие
| Компонент | Описание | Производитель | |
| PT42-21B | 1.8mm Round Subminiature Chip Phototransistor |
Everlight Electronics Co., Ltd |
 |
| PT42-21B-TR8 | 1.8mm Round Subminiature Chip Phototransistor |
Everlight Electronics Co., Ltd |
|
| PT42-21B/TR8 | 1.8mm Round Subminiature Chip Phototransistor |
Everlight Electronics Co., Ltd |
|
| PT4221A | 10-W Low-Profile 48V-Input Isolated DC/DC Converter |
Texas Instruments |
|
| PT4221C | 10-W Low-Profile 48V-Input Isolated DC/DC Converter |
Texas Instruments |
|
| PT4221N | 10-W Low-Profile 48V-Input Isolated DC/DC Converter |
Texas Instruments |
|