| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | BC640OS-ND | 0 | $0.55 | Buy |
| Mouser Electronics | 863-BC640 | 0 | Buy | |
| Farnell | BC640 | 16845 | * $0.31 | Buy |
| Quarktwin Electronic Components | BC640 | 9636 | $0.05 | Buy |
| Ameya360 | BC640 | 540 | Buy | |
| element14 APAC | BC640 | 17145 | * $0.08 | Buy |
| AVNET Express | BC640 | 29258 | $0.00 | Buy |
| Quest Components | BC640 | 347 | $0.75 | Buy |
Small Signal Bipolar Transistor, 1A, 80V, PNP, TO-92