You've got a PNP slot in your circuit and the old one's given up. The 2N2907 is that part — a PNP transistor from Jaycar's component line, not to be confused with its NPN siblings. Grab it, drop it in, and stop guessing which polarity you actually need on the bench
| brand | Jaycar |
| part_number | 2N2907 |
| type | PNP Transistor |
| category | Electronics & Components |
| subcategory | Electronic Components |
| rrp | $5.00 |