Ia0512d datasheet 2n3904


4 Discrete POWER & Signal N Technologies 2N3904 MMBT390 4 MMPQ390 4 PZT3904 NPN General Purpose Amplifier This device is designed as a general purpose amplif ier and switch. ©Semiconductor Components Industries, LLC, 2007 April, 2007 -- Rev. 3 1 Publication Order Number: MPSA28/D MPSA28, MPSA29 MPSA29 is a Preferred Device Darlington Transistors NPN Silicon The 2N3904 is a common NPN bipolar junction transistor used for general-purpose low-power amplifying or switching applications. [1] [2] [3] It is designed for low current and power , medium voltage , and can operate at moderately high speeds.