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- 2N3904 abstract "The 2N3904 is a common NPN bipolar junction transistor used for general purpose low-power amplifying or switching applications. The type was registered by Motorola Semiconductor in the mid-sixties, together with the complementary PNP type 2N3906, and represented a significant performance/cost improvement, with the plastic TO-92 case replacing metal cans. It is designed for low current and power, medium voltage, and can operate at moderately high speeds. This transistor is low cost, widely available and sufficiently robust to be of use by experimenters and electronics hobbyists. When looking at the flat side with the leads pointed downward, the three wires emerging from the bottom are connected to, from left to right, the emitter, the base and the collector. Some manufacturers mark \"EBC\" on the molded part, but all are required to have those connections for a part which is a \"2N3904\".It is a 200 mA, 40 volt, 625 milliwatt transistor with a transition frequency of 300 MHz, with a minimum beta or current gain of 100 at a collector current of 10 mA. It is used in a variety of analog amplification and switching applications.Electrically similar devices, such as the MMBT3904, are 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 is a complementary (PNP) transistor for the 2N3904. The 2N2222 is an NPN transistor that can safely switch three times as much current as the 2N3904 but has otherwise similar characteristics. Nevertheless, in many applications such as variable frequency oscillators where lower currents are used to minimize thermal heating and consequent thermal drift of the fundamental frequency, the greater current capacity of the 2N2222 gives it no advantage. Whereas the 2N2222 is optimized to reach its highest gain at currents of around 150 mA, the 2N3904 is optimized for currents of around 10 mA.The 2N3904 is used very frequently in hobby electronics projects including home-made ham radios, code practice oscillators and as an interfacing device for micro-controllers.".
- 2N3904 thumbnail Joule_thief.jpg?width=300.
- 2N3904 wikiPageExternalLink books?id=1lVakR-HRlUC&pg=PA139.
- 2N3904 wikiPageID "9366467".
- 2N3904 wikiPageLength "4226".
- 2N3904 wikiPageOutDegree "29".
- 2N3904 wikiPageRevisionID "705424698".
- 2N3904 wikiPageWikiLink 2N2222.
- 2N3904 wikiPageWikiLink 2N3906.
- 2N3904 wikiPageWikiLink Amateur_radio.
- 2N3904 wikiPageWikiLink Ampere.
- 2N3904 wikiPageWikiLink Amplifier.
- 2N3904 wikiPageWikiLink BC548.
- 2N3904 wikiPageWikiLink Bipolar_junction_transistor.
- 2N3904 wikiPageWikiLink Category:Bipolar_transistors.
- 2N3904 wikiPageWikiLink Category:Commercial_transistors.
- 2N3904 wikiPageWikiLink Category:JEDEC_standards.
- 2N3904 wikiPageWikiLink Electric_current.
- 2N3904 wikiPageWikiLink Electric_power.
- 2N3904 wikiPageWikiLink Gain–bandwidth_product.
- 2N3904 wikiPageWikiLink Hertz.
- 2N3904 wikiPageWikiLink Motorola.
- 2N3904 wikiPageWikiLink Small-outline_transistor.
- 2N3904 wikiPageWikiLink TO-92.
- 2N3904 wikiPageWikiLink Volt.
- 2N3904 wikiPageWikiLink Voltage.
- 2N3904 wikiPageWikiLink Watt.
- 2N3904 wikiPageWikiLink File:2N3904.jpg.
- 2N3904 wikiPageWikiLink File:Joule_thief.jpg.
- 2N3904 wikiPageWikiLinkText "2N3904".
- 2N3904 wikiPageUsesTemplate Template:Cite_book.
- 2N3904 wikiPageUsesTemplate Template:Commons_category.
- 2N3904 wikiPageUsesTemplate Template:Electronics-stub.
- 2N3904 wikiPageUsesTemplate Template:Reflist.
- 2N3904 subject Category:Bipolar_transistors.
- 2N3904 subject Category:Commercial_transistors.
- 2N3904 subject Category:JEDEC_standards.
- 2N3904 hypernym Transistor.
- 2N3904 type Redirect.
- 2N3904 type Transistor.
- 2N3904 comment "The 2N3904 is a common NPN bipolar junction transistor used for general purpose low-power amplifying or switching applications. The type was registered by Motorola Semiconductor in the mid-sixties, together with the complementary PNP type 2N3906, and represented a significant performance/cost improvement, with the plastic TO-92 case replacing metal cans. It is designed for low current and power, medium voltage, and can operate at moderately high speeds.".
- 2N3904 label "2N3904".
- 2N3904 sameAs Q3738729.
- 2N3904 sameAs Category:2N3904.
- 2N3904 sameAs 2N3904.
- 2N3904 sameAs 2N3904.
- 2N3904 sameAs ترانزیستور_۲ان۳۹۰۴.
- 2N3904 sameAs m.02863d9.
- 2N3904 sameAs Q3738729.
- 2N3904 wasDerivedFrom 2N3904?oldid=705424698.
- 2N3904 depiction Joule_thief.jpg.
- 2N3904 isPrimaryTopicOf 2N3904.