You've got a schematic calling for an MJ10012 and the local shelf is empty. This is that part, straight from Jaycar's catalogue. An NPN transistor you can drop into your build or repair without cross-referencing three datasheets at midnight. Order it, get it, move on to the next stage of the board
| brand | Jaycar |
| part_number | MJ10012 |
| type | NPN Transistor |