If you wonder about the detailed features of this type of transistor, here are some of them: In addition to Motorola, it has been manufactured by many other companies such as Fairchild, ON Semiconductor, Semtech, Transys Electronics, KEC, Vishay, Rohm Semiconductor, Texas Instruments (TI), Central Semiconductor Corp, etc.Īs for the your pinout, you can see it in the previous image, that as is usual in transistors, you have three numbered pins leaving the rounded part of the package towards the back, that is, to interpret the drawing and match the one you hold in your hand now, you should put the flat part in front of you. The 2N3904 is designed as one kind of NPN epitaxial silicon transistor.The absolute maximum ratings of the 2N3904 can be summarized as:(1)collector-base voltage:60 V (2)collector-emitter voltage:40 V (3)emitter-base voltage:6 V (4)collector current:200 mA (5)collector dissipation:625 mW (6)junction temp-erature:150 (7)storage temperature:-55 to 150.Īlso the electrical characteristics of the 2N3904 can be summarized as:(1)collector-base breakdown voltage:60 V (2)collector-emitter breakdown voltage:40 V (3)emitter-base breakdown voltage:6 V (4)collector cut-off curent:50 nA (5)base cut-off current:50 nA (6)DC current gain (Ic=0.1mA,VCE=1V):40 (7)collector-emitter saturation voltage (IC=10 mA,IB=1mA):0.2 V (8)collector-emitter saturation voltage (IC=50mA,IB=5mA):0.3 V (9)output capacitance (VCB=5V,IE=0 f=1MHz):4 pF (10)current gain bandwidth produce (Ic=10 mA,VCE=20V f=100MHz):300 MHz.If you want to know more information such as the electrical characteristics about the 2N3904,please download the datasheet in or. Package marking information for product 2N3904 is available. If there is no sample button, please contact a Fairchild distributor to obtain samples ** A sample button will appear if the part is available through Fairchild's on-line samples program. * Fairchild 1,000 piece Budgetary Pricing

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