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Tag: npn
| # | Post Title | Date | User |
| Power transistor Replacement | 1 year ago | John Barron | |
| RCA NPN 40409 Curve Trace with BK 501a with Tek Scope 2430A | 2 years ago | Onedamnote | |
| 100 ohm Base resistor to NPN 40409 driver in later design, is it voltage stability or oscillations stopping? | 2 years ago | Onedamnote | |

