Mar 21, 2020 one of the various parameters of the 2n3904 transistor is known as the beta, or current gain, which is the ratio of the collector current to the base current. It is typically used for lowcurrent, medium voltage, and moderate speed purposes. Philips, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Symbol parameter conditions value unit rthja thermal resistance from junction to ambient note 1 250 kw symbol parameter conditions min. Check out the datasheet, see if you recognize any familiar characteristics.
I use these for my joule thief project that i found on youtube while searching how to save energy. The transistor npn important 2n3904 specifications from the. D718 datasheet vcbo120v, 8a, npn transistor toshiba. The transistor 2n3904 comes under the category of npn small signal, low power, general purpose transistor, mainly applicable for switching and for signal amplification. It is intented for use in medium power linear and switching applications. This suggests how the 2n3904 transistor can become an amplifier. General purpose transistors npn silicon, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet.
Complete technical details can be found at the datasheet give at the end of this page. The complementary npn type is tip31c internal schematic diagram 1 2 3 to220. The transistor npn a current amplifier makes small currents bigger the 2n3904 transistor. Free packages are available maximum ratings rating symbol value unit collector. This transistor designed for use in generalpurpose amplifier and switching application. Transistor, npn, to92 online from elcodis, view and download 2n3904 pdf datasheet, transistors bjt single specifications. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. Philips npn switching transistor,alldatasheet, datasheet, datasheet search site for electronic. Its dynamic range may include a current handling capability of more than 100ma for switching applications and a 100mhz frequency handling capacity fits with amplification purposes.
Collector features pnp silicon epitaxial planar transistor for switching and amplifier applications as complementary type, the npn transistor 2n3904 is recommended this transistor is also available in the sot23 case with the type designation mmbt3906 maximum ratings ta25. N channel junction field effect transistors, depletion mode type a designed for audio and switching. Posted on october 30, 2018 september 7, 2019 by pinout. Since the 2n3904 is an npn transistor, that means the base needs positive biasing appropriate voltage levels and resistance to turn on the collector emitter junction for proper current flow. Tip32c power transistor applications linear and swithing industrial equipment description the tip32c is a silicon epitaxialbase pnp power transistor in jedec to220 plastic package. Transistor 2n3904 bipolar bjt npn general purpose pack of. Npn silicon epitaxial planar transistor forswitching and amplifier applications as complementary type, the pnp transistor2n3906 is recommended on special request, this transistor is alsomanufactured in the pin configurationto18. The transistor npn important 2n3904 specifications from. Cbeto92cbebcc datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Complete technical details can be found at the 2n3904 datasheet given at the end of this page. Fast switching devices exhibiting short turnoff and low saturation voltage characteristics. Use of a load resistor r1 above is also important so there is not too much current being driven through the led and transistor. Bc547 is a npn transistor hence the collector and emitter will be left open reverse biased when the base pin is held at ground and will be closed forward biased. Npn switching transistor 2n3904 thermal characteristics note 1.
Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. The tip31c is a base island technology npn power transistor in to220 plastic package with better performances than the industry standard tip31c that make this device suitable for audio, power linear and switching applications. Bc546b, bc547a, b, c, bc548b, c amplifier transistors npn silicon features pb. The 2n3904 is common generalpurpose lowpower npn transistor used amplifying or switching applications. The central semiconductor 2n3905 and 2n3906 types are pnp silicon transistors designed for general purpose amplifier and switching applications. Onsemi, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. It is designed for low current and power, medium voltage, and can operate at moderately high speeds. The 2n3904 is a really common transistor that we use all the time and the 2n3906 is its pnp sibling. Unfollow 2n3904 npn transistor to stop getting updates on your ebay feed. Npn switching transistor, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. This difference is caused by the spicemodel of the bfg540wx, which is not optimised, is caused by the spicemodel of the bfg540wx, which is not optimised for ip3. Bc546b, bc547a, b, c, bc548b, c amplifier transistors. One of the various parameters of the 2n3904 transistor is known as the beta, or current gain, which is the ratio of the collector current to the base current.
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