| Компонент | Описание | Производитель | |
| TL431CU | Cathode voltage: 30V; adjustable precision shunt regulator |
Analog Intergrations Corporation |
|
| TL431CUN | Adjustable Precision Shunt Regulators |
Analog Intergrations Corporation |
|
| TL431CUS | Adjustable Precision Shunt Regulators |
Analog Intergrations Corporation |