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| Type | Industry | Description | RadioShack | DigiKey |
| Diode | 1N4148 | 276-1122 | ||
| 1N4001 | 276-1101 | |||
| Regulator | 7805 | 276-1770 | ||
| 7809 | ||||
| 7812 | ||||
| Transistor | 2N3904 | Si-NPN 60V 0.1A 0.625W 250MHz B>100 TO-92 | 276-2016 | |
| BC547 | Si-NPN 50V 0.1A 0.5W 300MHz TO-92 | 276-2009 | ||
| BC557 | Si-PNP 50V 0.1A 0.5W 150MHz TO-92 | 276-2023 |