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NTE Electronics 2N4401 Silicon NPN Transistor for General Purpose Amplifier and Switch, 600 mA, 40V (Pack of 5): Amazon.com: Industrial & Scientific
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Do you know how does 2N4401 work in microcontroller ? - Sensors forum - Sensors - TI E2E support forums
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2N4401 npn transistor complementary pnp, replacement, pinout, pin configuration, substitute, marking 2N 4401, equivalent smd, datasheet
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