The front page of the on semiconductor 2n3904 datasheet. But when you need to use transistors, it has several advantages, such as saving you can take old equipment come to made small circuits easier than the ic. Transistor and diode data book, 1236 pages, 1973, texas instruments. Small signal transistors reference guide bf722 bf720 bf723 bf721. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Trsys, alldatasheet, datasheet, datasheet search site for electronic components.
Ordering information collector 3 2 base 1 emitter 2n 390x yww x 3 or 4. Nsc, alldatasheet, datasheet, datasheet search site for electronic components and. The 2n3906 is specified by a collector current of 200 ma, collectorbase and collectoremitter voltages of 40 v, for power dissipation of 300 mw. Assuming 2v for the led voltage, youll have about ma collector current. Discrete semiconductors data sheet book, halfpage m3d186 2n3904 npn switching transistor 1999 apr 23 product specification supersedes data of 1997 jul 15 philips semiconductors product specification npn switching transistor 2n3904 features pinning low current max. The transistor npn a current amplifier makes small currents bigger the 2n3904 transistor. Small signal npn transistor, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet.
Small signal current gain kleinsignal stromverstarkung hfe. Complementary silicon power darlington transistor st microelectronics. The smallsignal characteristics relate to how the transistor performs as an ac amplifier. Back in the day they would be published as big thick books containing. Pricing and availability on millions of electronic components from digikey electronics. Motorola small signal transistor data book 1984 motorola inc 1983 acrobat 7 pdf 47. Medium power transistor industry standard st nearest st replacement industry standard st nearest st replacement. You can download a free copy of this program from the adobe website. Unfollow 2n3904 npn transistor to stop getting updates on your ebay feed. If you drop a tip41c into the circuit you should still be able to measure a signal at the amplifier output, but it will probably a lot lower because the current gain of the tip41c is a magnitude lower compared to the 2n3904. For 2n3904, you should use a beta of 10 to saturate the transistor. The 2n3904 is a common npn bipolar junction transistor used for general purpose lowpower. Complete technical details can be found at the 2n3904 datasheet given at the end of this page.
The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. Complete technical details can be found at the datasheet give at the end of this page. Very simple amplifier circuit using transistor 2n3904. Npn silicon expitaxial planar transistor for switching and amplifier applications. Discrete semiconductors data sheet book, halfpage m3d186 2n3904 npn switching transistor 1999. The thermal diode is a discrete smallsignal 2n3904 type silicon npn bjt located in. Ge, alldatasheet, datasheet, datasheet search site for electronic components and. The useful dynamic range extends as a switch and to 100 mhz as an amplifier vceo vcbo vebo ic tj, tstg collectoremitter voltage collectorbase voltage emitterbase voltage. It is very simple amplifier circuit using transistor 2n3904 only. Smallsignal transistor data book, 86 pages, 1984, motorola. Both types were registered by motorola semiconductor in the mid1960s. Discrete semiconductors data sheet book, halfpage m3d186 2n3904 npn switching transistor. This item electronicssalon bipolar smallsignal transistors assorted kit, 10 types.
Npn general purpose amplifier, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. Low power, small signal general purpose transistor. This small transistor is the counterpart of the 2n3906 transistor, which is a positivenegativepositive pnp 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. Pillaging the wealth of information in a datasheet hackaday. The complementary npn transistor to the 2n3906 is the 2n3904. Buy small signal transistor, to92, npn, 40v in the distrelec online shop we love electronics. This transistor is also available in the to92 case with the type designation 2n3904. This device is designed as a general purpose amplifier and switch. Smallsignal npn transistor sgsthomson microelectronics. Small signal transistors industry standard st nearest st. Npn simall signal transistor, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. Pin configuration of 2n3904 2n3904 2n3904ta transistor 2n3906 mmbt3904 2n3906 2n3904tap 2n3904 transistor 2n3904 transistor pnp text. Small signal transistors npn, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet.
Stmicroelectronics small signal npn transistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Small signal transistor npn features npn silicon epitaxial planar transistor for switching and amplifier applications. The npn bipolar transistor is designed for use in linear and switching applications. The transistor npn important 2n3904 specifications from. In order to read some of these files, you must have adobe reader installed on your computer. Currently, ics has been used in many audio amplifiers, especially small circuit. These are many simple audio amplifier circuit diagram using transistor. The maximum rating for the 2n3904 is 625mw, so no surprise that the transistor gets hot fast. Typical audio smallsignal characteristics noise figure variations v ce 5. Hilitchi 250piece 10 values npn pnp power general purpose transistors assortment kit bc327bc558. Unless otherwise specified in this data sheet, this product is a standard commercial product and is not. Its transition frequency f t is 250 mhz, with a beta of at least 100.
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