Bf494 transistor datasheet bookshelf

Hello, i was just messing with circuits and i found this one above in the image i really want to make this but i dont have a bf494 transistor so my question is. I decided to use ksp2222a to replace the bc548, and mpsh10 for the bf494. Microelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Bf494 datasheet, bf494 pdf, bf494 data sheet, datasheet, data sheet, pdf. Please consult the most recently issued document before initiating or completing a design. Bf393 high voltage transistor npn silicon features pb. If you cause interference with fm radios or with airplane communications then you will be in for big trouble. Elektronische bauelemente npn plastic encapsulated transistor.

Pin connections to2702 plastic mrfe6vs25nr1 to270g2 plastic mrfe6vs25gnr1 top view gate 21drain 2012, 2019 nxp b. Transistor base numbers bfxxxx cricklewood electronics. Bf494 bf494b npn medium frequency transistorbuy online electronic components shop wholesale best lowest price india. Jun 01, 2016 c547c datasheet 45 v, 100 ma npn transistor nxp, bc547c datasheet, c547c pdf, c547c pinout, c547c manual, c547c schematic, c547c equivalent, c547c data. Bf494 datasheet, bf494 datasheets, bf494 pdf, bf494 circuit. Bf495 npn medium frequency transistors 1997 jul 08 product specification supersedes data of september 1994 file under discrete semiconductors, sc04 philips semiconductors product specification npn medium frequency transistors bf494. Bf494 on semiconductor discrete semiconductor products. This shopping feature will continue to load items when the enter key is pressed. Oct 05, 2010 according to the datasheet, bf200 is an rf transistor with high ft and very low junction capacitances. Bf494 npn medium frequency transistor to control the impact of the covid19 outbreak, indian gov. Elektronische bauelemente npn plastic encapsulated transistor 14feb2011 rev. Electronic component search and free download site.

The current in a crystal radio is much less then the forward voltage will also be much less so i found the datasheet 47 years old. Bf494 datasheet23 pages fairchild npn rf transistor. We request our customer to stay at home and stay safe. Transistor equivalent electronics forum circuits, projects. Oct 06, 2015 thanks, i dunno if the bf194 datasheet covers the 194b, but guessing dont know the language that page 3 has what i am looking for.

Great performance or range is not guaranteed here, because this is an elementary design. Bf494 datasheet, equivalent, cross reference search. Bf422 high voltage transistors npn silicon features this is a pb. Bf494 datasheet, bf494 pdf, bf494 data sheet, datasheet, data sheet, pdf, continental device india limited, 0. Continental device india limited data sheet page 1 of 4. Bf transistor series catalog datasheet, cross reference, circuit and application notes in pdf format. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. Bf494 bf495 npn medium frequency transistors, bf494 pdf download philips electronics, bf494 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits. By continuing to use this site, you consent to the use of cookies. Bf495 npn medium frequency transistors 1997 jul 08 product specification. P2n2907ad p2n2907a amplifier transistor pnp silicon features these are pbfree devices maximum ratings.

Semiconductor components industries, llc, 2007 april, 2007 rev. Oct 24, 2015 a datasheet for the 1n34a germanium diode said its forward voltage is typically 1v at 5ma which is much too high. Bf200 transistor alternative electronics forum circuits. Vceo vcbo vebo ic tj tstg collectoremitter voltage collectorbase voltage emitterbase voltage collector current continuous junction temperature storage temperature range. Is it possible to replace this transistor with any other transistor if possible please name all possible replacement you know. Npn medium frequency transistor bf570 data sheet status notes 1. You pick a transistor to suit the circuit and specification requirements and, if you are lucky, there are alternatives that explicitly say in their data sheet that they are alternatives to the part you originally chose. General purpose radio frequency transistor bf 494 q1 is used here for obtaining fm modulation. Microelectronics npn silicon rf small signal transistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Bf494 datasheet npn frequency transistor nxp, bf494 pdf, bf494 pinout, bf494 manual, bf494 schematic, bf494 equivalent, bf494 data, bf494 circuit.

Bf495 limiting values in accordance with the absolute maximum rating system iec 4. If you dont receive the item in 25 days, just let us i30n60 new package or replacement will be issued. The local electronics shop did not have the transistor bf494,so i put 2n3904. Rf power ldmos transistors mrfe6vs25nr1 mrfe6vs25gnr1 note. Bf494 rf transistor npn 20v 30ma 350mw through hole to923 from on semiconductor.

Fairchild, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. We use cookies to deliver the best possible web experience and assist with our advertising efforts. Simplest fm transmittermodulation circuit with bf494 radio. Bf494 bf 495c pin configuration bf495 pin configuration 495d transistors bf494 bf495 transistor bf495 transistor bf494 bf495c text. If it is used in an rf application, you probably cannot substitute bc547 or 2n2222, or 2n3904, or any other general purpose transistor.

Only after i tune the capacitors do i get 9 db out at 175 mhz. A datasheet for the 1n34a germanium diode said its forward voltage is typically 1v at 5ma which is much too high. Applications hf applications in radio and television receivers fm tuners. Nxp semiconductors, bf494, npn medium frequency transistors.

Is the problem from the transistor or something else. Ts is the temperature at the soldering point of the collector pin. The transistor im testing was made by motorola and is a know good working device in the current application circuit, in which i desoldered the transistor from. Here is the circuit diagram of the simplest fm transmitter using a transistor. Bf494 pdf, bf494 description, bf494 datasheets, bf494 view. On may at b 2sb components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes.

The backside of the package is the source terminal for the transistor. I am looking for equivalent to bf494 or bf495 transistor. Philips customers using or selling these products for use in. Irfa datasheet, irfa datasheets, irfa pdf, irfa circuit. The product status of devices described in this document may have changed since this document was published and may differ in case of multiple devices. If you continue without changing your cookie settings, well assume that you are happy to receive all cookies on our website. Mar 31, 2017 bf494 datasheet npn frequency transistor nxp, bf494 pdf, bf494 pinout, bf494 manual, bf494 schematic, bf494 equivalent, bf494 data, bf494 circuit. Characteristics tamb 25 c unless otherwise specified. These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Bf494 datasheet pdf, bf494 pdf datasheet, equivalent, schematic, bf494 datasheets, bf494 wiki, transistor, cross reference, pdf download,free search site, pinout electronic component search and free download site. Nxp semiconductors product data sheet npn medium frequency transistor bf199 data sheet status notes 1. Im trying to update as much information as possible, even if i can not find perfect information. Free device maximum ratings rating symbol value unit collector. Bf494 silicon transistor components datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes.

So we cannot process or ship any order untill april 14. Applications datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. The philips datasheet shows the transistor from the bottom the side where the pins come out of the package. First, i want to thank all the members on this forum, its been very helpful to me. Find the pdf datasheet, specifications and distributor information.

To control the impact of the covid19 outbreak, indian gov. Which transistor can i use as an rf amplifier for a 900. Bf494 bf494 npn medium frequency transistor datasheet buy bf494. Discrete semiconductors data sheet book, halfpage m3d186 bf494. Product specification supersedes data of september 1994 file under discrete semiconductors. It is a blog created to share various information with you in more complete and detailed contents. K datasheet pdf, k data sheet, k, k the sp can work on a desk, bookshelf, or stand. Npn 7 ghz wideband transistor bfq591 limiting values in accordance with the absolute maximum system iec 604. Rf power ldmos transistors high ruggedness nchannel.

They are listing ucev i am hoping that means vce qpoint with ib on the load line, along with ic. Pnp medium frequency transistor bf450 limiting values in accordance with the absolute maximum rating system iec 604. Npn medium frequency transistor bf199 limiting values in accordance with the absolute maximum rating system iec 604. Product specification supersedes data of september 1994 file under discrete semiconductors, sc04 1997 jul 08. Free packages are available maximum ratings rating symbol value unit collector. A bf494 npn rf transistor tm july 2006 bf494 npn rf transistor to92 absolute maximum ratings ta 25c unless otherwise noted these ratings are limiting values above which the serviceability of any semiconductor device may be impaired. Posted on march 31, 2017 september 16, 2019 by pinout. When i apply 400 mhz, the transistor oscillates wildly and gets very hot. Atmjuly 2006bf494npn rf transistorabsolute maximum ratings ta 25c unless otherwise noted datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors.

Npn silicon rf small signal transistor, bf494 datasheet, bf494 circuit, bf494 data sheet. I want to share this experience and information with each other to create a blog that helps each other. Npn rf transistor, bf494 datasheet, bf494 circuit, bf494 data sheet. Bf495 datasheet, equivalent, cross reference search. Fairchild npn rf transistor,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.

Bf494, bf494 datasheet, bf494 npn medium frequency transistor datasheet, buy bf494 transistor. Bf495, bf495 datasheet, bf495 npn medium frequency transistor datasheet, buy bf495 transistor. Bf494b datasheet, equivalent, cross reference search. Electronic manufacturer, part no, datasheet, electronics description. If its in an rf circuit, then be sure the f t is at least 120mhz, and that it has a low c re.