Review on Lot Of 100 2N2222A NPN Transistors, TO-92 Package, 2N 2222A, Through Hole Mounting For Improved Performance by Ronald Cambridge
Good all-purpose NPN signal transistor, but you should test the hFE (gain)
I needed matched pairs for a circuit and tested for hFE (gain) before using. Gain ranged from 207 to 260, with most hFE being in the 230's. Out of 20, I found 3 pair which matched and 2 others which would have been close enough.Inherent noise was low and the 2N2222A's were stable.
- Versatile
- While this lot may offer improved performance, it may not be worth purchasing if you don't require high-performance transistors. Cheaper or more basic alternatives may be suitable for your needs
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