双向可控硅(TRIAC, TRI-ELECTRODE AC SWITCH)为三极交流开关,亦称为双向晶闸管或双向可控硅。 TRIAC为三端元件,其三端分别为T1 (第二端子或第二阳极),T 2(第一端子或第一阳极)和G(控制极)亦为一闸极控制开关,与SCR最大的不同点在于TRIAC无论于正向或反向电压时皆可导通。
| 型号 | 制造商 | 封装 | IT(RMS)_Max /A | ITSM_Max @ f = 50Hz/A | VDRM_Min/V | IGT_I_Max/mA | IGT_II_Max/mA | IGT_III_Max/mA | TJ_Max /°C |
|---|---|---|---|---|---|---|---|---|---|
| T3050H-6A | JJM | TO-220A | 30 | 270 | 600 | 50 | 50 | 50 | 150 |
| T3050H-6B-US | JJM | TO-220B | 30 | 270 | 600 | 50 | 50 | 50 | 150 |
| T3050H-6C | JJM | TO-220C | 30 | 270 | 600 | 50 | 50 | 50 | 150 |
| T3050H-6E | JJM | TO-263 | 30 | 270 | 600 | 50 | 50 | 50 | 150 |
| T3050H-6F | JJM | TO-220F | 30 | 270 | 600 | 50 | 50 | 50 | 150 |
| T3050H-6Z | JJM | TO-3P | 30 | 270 | 600 | 50 | 50 | 50 | 150 |
| T3050H-8A | JJM | TO-220A | 30 | 270 | 800 | 50 | 50 | 50 | 150 |
| T3050H-8C | JJM | TO-220C | 30 | 270 | 800 | 50 | 50 | 50 | 150 |
| T3050H-8E | JJM | TO-263 | 30 | 270 | 800 | 50 | 50 | 50 | 150 |
| T3050H-8F | JJM | TO-220F | 30 | 270 | 800 | 50 | 50 | 50 | 150 |
| T3050H-8Z | JJM | TO-3P | 30 | 270 | 801 | 50 | 50 | 50 | 150 |
| T4050H-6Z | JJM | TO-3P | 40 | 400 | 600 | 50 | 50 | 50 | 150 |
| T4050H-8Z | JJM | TO-3P | 40 | 400 | 800 | 50 | 50 | 50 | 150 |
| T810H-8F | JJM | TO-220F | 8 | 80 | 800 | 10 | 10 | 10 | 150 |
| T835H-10F | JJM | TO-220F | 8 | 80 | 1000 | 35 | 35 | 35 | 150 |
| T835H-8A | JJM | TO-220A | 8 | 80 | 800 | 35 | 35 | 35 | 150 |
| T835H-8C | JJM | TO-220C | 8 | 80 | 800 | 35 | 35 | 35 | 150 |
| T835H-8E | JJM | TO-263 | 8 | 80 | 800 | 35 | 35 | 35 | 150 |
| T835H-8F | JJM | TO-220F | 8 | 80 | 800 | 35 | 35 | 35 | 150 |
| T835H-8K | JJM | TO-252 | 8 | 80 | 800 | 35 | 35 | 35 | 150 |