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. Npn general purpose amplifier, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. In order to read some of these files, you must have adobe reader installed on your computer. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. You can download a free copy of this program from the adobe website. A 2n3904 transistor is a bipolar negativepositivenegative npn transistor, which means it is usually applicable to negative ground circuitry. This transistor is also available in the to92 case with the type designation 2n3904. Small signal current gain kleinsignal stromverstarkung hfe. The 2n3906 is specified by a collector current of 200 ma, collectorbase and collectoremitter voltages of 40 v, for power dissipation of 300 mw. Both types were registered by motorola semiconductor in the mid1960s. Complete technical details can be found at the datasheet give at the end of this page. Nsc, alldatasheet, datasheet, datasheet search site for electronic components and. Complete technical details can be found at the 2n3904 datasheet given at the end of this page. It may be used for audio signals as well as for mediumspeed switching applications.
Medium power transistor industry standard st nearest st replacement industry standard st nearest st replacement. Hilitchi 250piece 10 values npn pnp power general purpose transistors assortment kit bc327bc558. Discrete semiconductors data sheet book, halfpage m3d186 2n3904 npn switching transistor 1999. The transistor npn a current amplifier makes small currents bigger the 2n3904 transistor. Pin configuration of 2n3904 2n3904 2n3904ta transistor 2n3906 mmbt3904 2n3906 2n3904tap 2n3904 transistor 2n3904 transistor pnp text. The 2n3904 is a common npn bipolar junction transistor used for general purpose lowpower. Small signal transistors industry standard st nearest st. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. Very simple amplifier circuit using transistor 2n3904. The maximum rating for the 2n3904 is 625mw, so no surprise that the transistor gets hot fast. Pillaging the wealth of information in a datasheet hackaday. 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.
Ge, alldatasheet, datasheet, datasheet search site for electronic components and. Small signal transistor npn features npn silicon epitaxial planar transistor for switching and amplifier applications. These are many simple audio amplifier circuit diagram using transistor. Typical audio smallsignal characteristics noise figure variations v ce 5. For 2n3904, you should use a beta of 10 to saturate the transistor. Npn simall signal transistor, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. Discrete semiconductors data sheet book, halfpage m3d186 2n3904 npn switching transistor. Ordering information collector 3 2 base 1 emitter 2n 390x yww x 3 or 4. The complementary npn transistor to the 2n3906 is the 2n3904. Unless otherwise specified in this data sheet, this product is a standard commercial product and is not. Pricing and availability on millions of electronic components from digikey electronics. Smallsignal transistor data book, 86 pages, 1984, motorola.
Unfollow 2n3904 npn transistor to stop getting updates on your ebay feed. Low power, small signal general purpose transistor. Small signal transistors npn, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. The smallsignal characteristics relate to how the transistor performs as an ac amplifier. 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. Stmicroelectronics small signal npn transistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Smallsignal npn transistor sgsthomson microelectronics. This small transistor is the counterpart of the 2n3906 transistor, which is a positivenegativepositive pnp transistor. Assuming 2v for the led voltage, youll have about ma collector current. Npn silicon expitaxial planar transistor for switching and amplifier applications. Back in the day they would be published as big thick books containing. This item electronicssalon bipolar smallsignal transistors assorted kit, 10 types. Currently, ics has been used in many audio amplifiers, especially small circuit.
This device is designed as a general purpose amplifier and switch. Small signal transistors reference guide bf722 bf720 bf723 bf721. The front page of the on semiconductor 2n3904 datasheet. The thermal diode is a discrete smallsignal 2n3904 type silicon npn bjt located in. Transistor and diode data book, 1236 pages, 1973, texas instruments. 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. 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. Complementary silicon power darlington transistor st microelectronics. The npn bipolar transistor is designed for use in linear and switching applications. The transistor npn important 2n3904 specifications from. Small signal npn transistor, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. Motorola small signal transistor data book 1984 motorola inc 1983 acrobat 7 pdf 47. Buy small signal transistor, to92, npn, 40v in the distrelec online shop we love electronics.1476 1037 313 979 1241 532 238 1213 872 1070 1001 960 472 1107 350 475 1359 347 408 1315 624 522 1122 184 362 96 1327 36 1003 747 670 487 1297 687