3904 transistor circuits pdf

Jul 26, 2006 if you looked at the pdf, you will notice 4 dip switches, based on different combinations, the controller sends a signal to trigger the relay. Storage and fall time equivalent test circuit 3 v 275 10 k 1n916 cs transistor revision no. Onsemi, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. It comes in the to92 package and used in a wide range of applications. Thumbscrew terminal posts color coded red, black, yellow, and gray transistors resistors screws and spacers for stand contents of the xl741 kit. 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. Npn switching transistor pmst3904 limiting values in accordance with the absolute maximum rating system iec 604. Jul 26, 2020 2n3904 is npn bipolar junction transistor designed for switching purposes at 100ma and as an amplifier at 100mhz frequency. Sst3904 hzg npn general purpose transistor datasheet aecq101 qualified loutline parameter value sot23 vceo 40v ic 200ma sst3 lfeatures linner circuit 1bvceo40vic1ma 2complements the sst3906 hzg lapplication audio frequency small signal amplifier. It is typically used for lowcurrent, medium voltage, and moderate speed purposes. Diagram a shows an npn transistor with the legs covering the symbol showing the name for each lead. In telecommunication, the frequency modulation transfers the data by changing the frequency of the carrier wave as per the message signal. Jun 15, 2017 here is a link that shows various package sizes for 3904 transistors. The transistor is a general purpose type and and is the smallest and cheapest type you can get.

Symbol parameter conditions value unit rthja thermal resistance from junction to ambient note 1 250 kw symbol parameter conditions min. Npn switching transistor, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. Related parts edit electrically similar devices, such as the mmbt3904, are available in a variety of small throughhole and surfacemount packages, including to92, sot23, and sot. They also save a lot of circuit designing and quite often consume less current than discrete components. Philips npn switching transistor,alldatasheet, datasheet, datasheet search site for electronic.

Mmbt3904 features mechanical data ordering information notes. Apr 02, 2021 through hole bipolar transistors bjt, 40 v sot233 0. Packaging type marking code basic ordering unit pieces umt3904 umt3 r1a t106 3000 sst3904 sst3 t116 3000 mmst3904 smt3. Transistor basics emitter to base junction is forward biased normally collector to base junction is reverse biased normally transistors are current operated devices, so kcl should be applied first. And the 2n2222 is ordinarily a good replacemetn for the 2n3904. Although integrated circuits have a wide application, the role of discrete transistors as important blocks must be understood by students as practical solutions to design problems. How to use transistor as a switch with example circuits. Figure 3 noise current of the transistor referred to the input. Sst3904 npn general purpose transistor datasheet loutline parameter value sot23 vceo 40v ic 200ma sst3 lfeatures linner circuit 1bvceo40vic1ma 2complements the sst3906 lapplication audio frequency small signal amplifier lpackaging specifications part no. If you want to operate the device not near the limits power, breakdown voltage, frequency, where there can be some differences among them, then they easily are interchangeable say in 99% of the applications.

Jun 15, 2019 the transistor 2n3904 comes under the category of npn small signal, low power, general purpose transistor, mainly applicable for switching and for signal amplification. Mmbt3904t series npn 40 v 150 mw small signal transistor surface mount sot523. In this transistor circuits ebook, we have presented about 100 interesting circuits using transistors and chips. This transistor is also available in the sot23 case with the. The humble transistor q1 emitter e collector c base b transistor basics emitter to base junction is forward biased normally collector to base junction is reverse biased normally transistors are current operated devices, so. Npn general purpose transistor datasheet loutline parameter value sot323 sc70 vceo 40v ic 200ma umt3 lfeatures linner circuit 1bvceo40v ic1ma 2complements the umt3906 lapplication audio frequency small signal amplifier lpackaging specifications part no. The direction of the arrow always points from the positive ptype region to the negative ntype. Electronic devices and circuits laboratory i abstract in the lab, we explore several common transistor circuits. Once the first transistor is installed, repeat the procedure and solder the remaining 12 type mmbt3904 transistors into place at locations q2 q4, q14 q18, q20 q22, and q24. Inventory, pricing and datasheets for all of your design requirements. The symbol of the transistor has an arrow on the emitter. This fm transmitter fm tx is about the least complex and most fundamental fm tx it is conceivable to manufacture and have a transmitting range. Amplifier modules like audio amplifiers, signal amplifier etc. This blog covers 2n3904 transistor pinout, datasheet, equivalent, circuit and other information on how to use and where to use this device.

It can be used in televisions, we can use it in home appliances, can be used as a small load switch, it can also be used as an amplifier. If the transistor is a pnp, then the arrow points to the base of the transistor, otherwise it points to the output. If change is made to the constant of an external circuit, please allow a sufficient margin considering variations of the characteristics of the products and external components, including transient characteristics, as well as static characteristics. It is a 200 ma, 40 v, 625 mw transistor with a transition frequency of 300 mhz, with a minimal beta, or current gain, of 100 at a collector current of 10 ma. Sep 02, 2020 2n3904 datasheet npn switching transistor philips, 2n3904 pdf, 2n3904 pinout, 2n3904 equivalent, replacement, 2n3904 schematic, manual, data. Integrated circuits are simply arrays silicon chip. The 2n3904 is common generalpurpose lowpower npn transistor used amplifying or switching applications.

Transistor will tolerate supply voltage on collector. Simple fm transmitter circuit using 2n3904 transistor. Stmicroelectronics small signal npn transistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The number on the transistor will change according to the country where the circuit was designed but the types we refer to are all the same.

Transistor mounted on an fr4 printed circuit board. Noise voltage of the transistor referred to the input. Npn transistor 3904, npn transistor 3904 datasheet pdf, npn transistor 3904 data sheet. 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. Transistors npn general purpose transistor umt3904 sst3904 mmst3904 2n3904. Features 1 bvceo 40v ic 1ma 2 complements the umt3906 sst3906 mmst3906 2n3906package, marking and packaging specifications part no. Transistor specs 3904 npn tip112 npn hfe beta 100 300 1,000 ic max 200ma 4a vce max 40v 40v vce sat 0. Mmbt3904t7f technical specifications, attributes, and parameters. Engr 2420 lab 5 march 10, 2020 mos transistor characteristics 5. But when i power off and power back on with a gap of more than 5 seconds. Npn switching transistor mmbt3904 limiting values in accordance with the absolute maximum rating system iec 604. In most cases the ic will contain 10 100 transistors, cost less than the individual components and take up much less boardspace. The transistor npn 2n3904 datasheet maximum thermal.

The noninverting circuit uses a pair of complementary npn type 2n3904 and pnp type 2n3906 transistors. Tarek haweel transistor construction the transistor is a. Umt3904 npn general purpose transistor datasheet loutline parameter value sot323 sc70 vceo 40v ic 200ma umt3 lfeatures linner circuit 1bvceo40v ic1ma 2complements the umt3906 lapplication audio frequency small signal amplifier. Philips, alldatasheet, datasheet, datasheet search site for electronic components and. Npn transistor 3904 datasheet pdf, npn transistor 3904. Characteristics datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Npn switching transistor 2n3904 thermal characteristics note 1. The 2n3904 is possibly the smallest transistor you might bother with for switching circuits.

Sooner or later you might realize that you can narrow your transistors to just a few that are most handy. General purpose transistors npn silicon, 2n3904 datasheet, 2n3904 circuit, 2n3904 data sheet. You can always remember that the arrow points at the n material. Precautions regarding application examples and external circuits 1. Npn transistor 3904 datasheet pdf, npn transistor 3904 data.