The Vishay Semiconductors K301xP series comprises phototriac optocouplers designed for direct switching of AC loads or driving medium to high power TRIACs. Featuring galvanic and electrical noise isolation, these devices offer non-zero crossing functionality for full-wave control. They are suitable for a wide range of applications including power TRIAC drivers, isolated AC load switches, air conditioning units, heaters, white goods, industrial controls, and office equipment.
| Part Number | Trigger Current (IFT) | On-State Current (ITRM) | Blocking Voltage (VDRM) | Temperature Range |
| K3010P | 8 mA (typ.), 15 mA (max.) | 100 mA | 250 V | -55 C to +100 C |
| K3012P | 2 mA (typ.), 5 mA (max.) | 100 mA | 250 V | -55 C to +100 C |