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Chanzon 2N4401 TO-92 NPN Power Bipolar Junction Transistor, Silicon Material, High Performance, for Switching and Amplification (Pack of 100pcs)Amazon$1.44
Juried Engineering 2N4401 Bipolar (BJT) Single Transistor, NPN, 40 V, 250 MHz, 625 mW, 600 mA, 100 hFE (Pack of 5)Amazon$5.37
NTE Electronics 2N4401 Silicon NPN Transistor for General Purpose Amplifier and Switch, 600 mA, 40V (Pack of 5)Amazon$9.99
Bridgold 100pcs(50pcs 2N4401+50pcs 2N4403) NPN PNP General Purpose Amplifier Transistor 40V,TO-92.Amazon$9.95
Todiys New 80Pairs for 80Pcs 2N4401 2N4401G + 80Pcs 2N4403 2N4403G to-92 NPN Transistors 2N-4401 + 2N-4403Amazon$15.99
Electronics-Salon Bipolar Small-Signal Transistors Assorted Kit, 10 Types: 2N3904 2N3906 2SA1015 2SC1815 2N4401 2N4403 2N5551 2N5401 MPS2222A MPS2907A.AmazonSAVE $0.96
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TQDLYKHS New 170Pcs for 2N2222 2N2907 2N3904 2N3906 2N4401 2N4403 2N5088 2N5089 2N5401 2N5551 2N7000 MPSA92 S9012 S9013 S9014 S9015 S9018 17kinds x10pcs TO-92 PNP NPN TransistorsAmazon
$6.99Chanzon 2N4401 TO-92 NPN Power Bipolar Junction Transistor, Silicon Material, High Performance, for Switching and Amplification (Pack of 100pcs)Amazon