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2N3904 Transistor Datasheet, Circuit Schematic, Pinouts and Sources

2N3904 Transistor and 2N3904 Data Sheet PDF

The 2N3904 Transistor is a small, common NPN BJT transistor used for general purpose low-power amplifying or switching applications.

2N3904 transistor datasheet pdf 2N3904 Transistor Pinout

2N3904 Price Check

2N3904 Transistor Technical Specifications

The 2N3904 transistor is a small, common NPN BJT transistor used for general purpose low-power amplifying or switching applications.  The 2N3904 transistor is designed for low current and power, medium voltage, and can operate at moderately high speeds. It is a 200 milliamp, 40 volt, 625 milliwatt transistor capable of amplifying up to 100 MHz, with a beta of at least 100. It's used in a variety of analog amplification and switching applications. It is available in a variety of small through-hole and surface mount packages including TO-92, SOT-23, and SOT-223, with package-dependent thermal ratings from 625 milliwatts to 1 watt. A 2N3906 transistor is a complementary (PNP) transistor for the 2N3904 transistor. The 2N2222 is an NPN transistor that can safely switch three times as much current as the 2N3904 but has otherwise similar characteristics.


2N3904 Transistor Circuit Schematic


2n3904 circuit schematic


2N3904 Transistor Pinouts


2n3904 Transistor Pinouts


2N3904 Transistor Source and Samples

The 2N3904 transitor is manufactured by Fairchild and NXP. In quantity the 2N3904 transistor price runs about $0.02. If you just need a 2N3904 sample, Digikey will sell it for about $0.11.


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