| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | TIP31BGOS-ND | 1471 | $1.26 | Buy |
| Mouser Electronics | 863-TIP31BG | 10285 | $0.52 | Buy |
| RS Components | TIP31BG | $30.12 | Buy | |
| TME | TIP31BG | 2 | $1.17 | Buy |
| AVNET Express | TIP31B | 7600 | $0.16 | Buy |
| Win Source | TIP31B | 2570 | $0.35 | Buy |
| Farnell | TIP31B | 6569 | * $0.18 | Buy |
| Ameya360 | TIP31BG | 2600 | $0.28 | Buy |
| Farnell | TIP31BG | 198 | * $1.43 | Buy |
| AVNET Europe | TIP31BG | 100 | * $0.91 | Buy |
| Newark | TIP31BG | 13 | $1.37 | Buy |
| AVNET Express | TIP31BG | 1874 | $0.32 | Buy |
| Future Electronics | TIP31BG | 2600 | $0.27 | Buy |
| element14 APAC | TIP31BG | 680 | * $1.43 | Buy |
Power Bipolar Transistor, 3A, 80V, NPN, TO-220AB, 3 Pin