| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 2156-TIP31CTU-ND | 123020 | $0.67 | Buy |
| Mouser Electronics | 512-TIP31CTU | 0 | Buy | |
| Mouser Electronics | 512-TIP31CTU | 2399 | $0.52 | Buy |
| Ameya360 | TIP31CTU | 1000 | $0.46 | Buy |
| Freelance | TIP31CTU | 4 | Buy | |
| Win Source | TIP31CTU | 500 | $0.35 | Buy |
| Newark | TIP31CTU | 1352 | $0.45 | Buy |
| Utsource | TIP31CTU | 33951 | $0.26 | Buy |
| AVNET Express | TIP31CTU | 61020 | $0.28 | Buy |
| Future Electronics | TIP31CTU | 100 | $0.42 | Buy |
| Farnell | TIP31CTU | 1000 | * $0.31 | Buy |
| AVNET Europe | TIP31CTU | * $0.36 | Buy | |
| element14 APAC | TIP31CTU | 152 | * $0.73 | Buy |
Power Bipolar Transistor, 3A, 100V, NPN, TO-220AB, Plastic/Epoxy, 3 Pin