| Digi-Key | 3455513 | 1000 | | 1000 | 1 @ $0.69, 10 @ $0.60, 100 @ $0.46, 500 @ $0.37, 1000 @ $0.30 |
 Newark | 29AH8397 | 1 | 1943 | 1 | 1 @ $0.50, 10 @ $0.50, 25 @ $0.50, 50 @ $0.50, 100 @ $0.50, 250 @ $0.50, 500 @ $0.50, 1000 @ $0.50 |
| iodParts | ULN2003V12PWR | 2000 | 14000 | 2000 | 2000 @ $0.22, 4000 @ $0.22, 6000 @ $0.21, 12000 @ $0.20 |
| Win Source | ULN2003V12PWR | 1 | 4960 | 1 | |
| Digi-Key | 3455516 | 1 | 2405 | 1 | 1 @ $0.69, 10 @ $0.60, 25 @ $0.57, 100 @ $0.46, 500 @ $0.37, 1000 @ $0.29 |
| Digi-Key | 3455519 | 1 | | 1 | 1 @ $0.69, 10 @ $0.60, 100 @ $0.46, 500 @ $0.37, 1000 @ $0.30 |
 jotrin.com | JT25-ULN2003V12PWR | 1 | | 1 | |
| Digi-Key | 3438601 | 1 | | 1 | 1 @ $0.69, 10 @ $0.60, 100 @ $0.46, 500 @ $0.37, 1000 @ $0.30 |
| Newark | 58Y3962 | 1 | | 1 | |
 Radwell | ULN2003V12PWR | 1 | | 1 | |