The TRIAC is a three terminal semiconductor device for controlling current. It gains it's name from the term TRI ode for A lternating C urrent. It is effectivly a development of the SCR or thyristor, but unlike the thyristor which is only able to conduct in one direction, the TRIAC is a bidirectional device. Type: BT137X Note: ZX-7149 is isotab - mounting tab is not connected to pins.
| category_l3 | Voltage Regulators & Rectifiers |
| category_map_id | 783 |
| price_exc | 5 |
| in_stock | 1 |
| lead_note | Available |
| manuals | https://media.jaycar.com.au/product/resources/ZX7149_datasheetMain_40932.pdf |
| source_updated_at_snapshot | 2026-10-19T00:00:06.630690 |