The 2n3904 npn and 2n3906 pnp are complementary transistor pairs. The 2n3904 is one of the most commonly used general purpose npn transistors in electronics. For your circuit above, you could use a transistor such as the bc547 npn which is a general purpose low power bjt npn transistor. This data sheet contains target or goal specifications for product development. Complete technical details can be found at the 2n3904 datasheet given at the end of this page. The pnp complement to this transistor is our tr3906. The complementary npn transistor to the 2n3906 is the 2n3904. The 2n3904 is a really common transistor that we use all the time and the 2n3906 is its pnp sibling.
We recommend it for throughhole pcb and breadboard prototyping as well as for basic stamp 2 oem applications. New product new product new product 2n3904 datasheet catalog. Description npn switching transistor in a sot323 plastic package. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. Fairchild, alldatasheet, datasheet, datasheet search site for electronic. Its transition frequency f t is 250 mhz, with a beta of at least 100. 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. Both types were registered by motorola semiconductor in the mid1960s. On top of that, our very own director of engineering, pete, has produced a. General purpose transistorsnpn silicon, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. Fast switching devices exhibiting short turnoff and low saturation voltage characteristics. Npn switching transistor pmst3904 features collector current capability ic 200 ma collectoremitter voltage vceo 40 v. Motorola order this document semiconductor technical data by 2n3905d general purpose transistors 2n3905 pnp silicon 2n3906 motorola preferred device collector 3 2 base 1 emitter 1 2 maximum ratings 3 rating symbol value unit case 2904, style 1 collectoremitter voltage. The 2n3906 is specified by a collector current of 200 ma, collectorbase and collectoremitter voltages of 40 v, for power dissipation of 300 mw.
On semiconductor 2n3904 series npn bipolar transistors bjt. Discrete semiconductors data sheet book, halfpage m3d186 2n3904 npn switching transistor 1999 apr 23 product specification supersedes data. Transistor kit 10 value 200pcs npn pnp power transistor assortment kit, transistors box pack for bc337, bc327, 2n2222, 2n907, 2n3904, 2n3906, s8050, s8550, a1015, c1815 by kulannder 4. Semiconductor 2n3904 technical data feature npn silicon epitaxial planar transistor for switching and to92 amplifier applications as complementary type, the pnp transistor 2n3906 is recommended 1.
These 2n3904 are a very common transistor in a lot of breadboarding and general electronic books i bought some to have on hand. In order to read some of these files, you must have adobe reader installed on your computer. An illustration of the pin out of a standard to92 package for digikey part number 2n3904fsnd. The hfe values i stated above would be different in the bc547. At one point you use a pnp transistor as a highside switch for a 12v motor. You pick the 500ohm 12w, 1kohm 12w or the 10kohm panelmount potentiometer, all from alpha products with dust covers over a 17mm base, panel tabs, 6mm dia x 10mm long shafts, and 3mm solder lugs with washers and nuts. Npn switching transistor 2n3904 features low current max.
Cant find them or trust the ones you pick up from a local supplier. You can download a free copy of this program from the adobe website. Motorola small signal transistor data book 1984 motorola inc 1983 acrobat 7 pdf 47. These transistors are available in package styles to92, sot23, sot223 with different prefixes.
It is the same type included with the propeller flip tryit kit. Motorola order this document semiconductor technical data by 2n3905d general purpose transistors 2n3905 pnp silicon 2n3906 motorola preferred device collector 3 2 base 1 emitter 1 2 maximum ratings 3 rating symbol value unit case 2904, style 1 collectoremitter voltage vceo 40 vdc to92 to226aa collectorbase voltage vcbo 40. Free packages are available maximum ratings rating symbol value unit collector. The maximum rating for the 2n3904 is 625mw, so no surprise that the transistor gets hot fast. Check out the datasheet, see if you recognize any familiar characteristics. Transistor kit 10 value 200pcs npn pnp power transistor assortment kit, transistors box pack for bc337, bc327, 2n2222, 2n907, 2n3904, 2n3906, s8050, s8550, a1015, c1815 by kulannder mcigicm 200pcs 2n3906 pnp transistor,2n3906 bipolar bjt transistors pnp 40v 200ma 250mhz 600mw through hole to92. The 2n3904 silicon epitaxial planar npn trannsistor to92 package suitable for through hole pcb assembly the pnp complementary type is 2n3906 applications well suitable for tv and home equipment small load switching transistor with gain and low saturation voltage. Smallsignal transistor data book, 86 pages, 1984, motorola. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. Complementary silicon power darlington transistor st microelectronics. 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. On special request, this transistor is also manufactured in the pin configuration to18.
Calculating voltage drop over a transistor electrical. As complementary type, the pnp transistor 2n3906 is recommended. Data sheet book, halfpage m3d186 2n3904 npn switching transistor. Ordering information collector 3 2 base 1 emitter 2n 390x yww x 3 or 4 y year ww work week pb. Npn generalpurpose amplifier fairchild semiconductor. The tr3904 npn small signal transistor is used in most solarengine designs. This transistor is also available in the sot23 case. 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. On semiconductor 2n3904 series npn bipolar transistors bjt are available at mouser electronics. When you place an order, we will ship as quickly as possible. Onsemi, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
Pricing and availability on millions of electronic components from digikey electronics. That datasheet should be enough for you to get a good idea of how it would behave. Pinning pin description 1 collector 2 base 3 emitter fig. Npn general purpose amplifier, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet.
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