As compared with 2n2222 it shows forward gain at lower current. Dec 11, 2017 2n2222a 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 when a signal is provided to base pin. Oct 24, 2015 2n2222 datasheet pdf, 2n2222 datasheet, 2n2222 pdf, pinouts, circuit, ic, manual, 2n2222 substitute, parts, 2n2222 datenblatt, schematic, reference. I have use bc547 for a project water level indicator. Base voltage mps2222 mps2222a vcbo 60 75 vdc emitter. Difference between difference between bc547 and 2n2222 closed ask question asked 3 years, 4 months ago.
Stmicroelectronics highspeed switches,alldatasheet, datasheet, datasheet search site for. The 2n3904 and the 2n2222 are 2 of the most popular npn bipolar junction transistors in the electronics market. The 2n2222 part is the older style part which might be the reason they are being offered at a low price. Ive read around for a little while trying to make sure these are equivalent, but so far havent seen it explicitly stated. I do also wonder the same about other components, why 14 w instead of 1w or why 10v caps instead of 60v. The transistor 2n2222 or 2n2222a are npn types and has the. I have across this circuit across a lot of forums and was just wondering if i could replace bc547 q1 in the circuit with the commonly used 2n2222 npn transistor. Macom and its affiliates reserve the right to make changes to the products or information contained herein without notice. General purpose transistors npn silicon features pb. Jan 01, 2020 the transistor 2n2222 or 2n2222a are npn types and has the following electrical parameters. It can control only one third of the current of 2n2222.
What is a good replacement for a 2n2222 transistor. Designed for low current, low power and medium voltage, it can operate at moderate high speed. Perhaps allison who suggested 2n2222 metal case,did not mean against pn2222. What is diffrence between transistor 2n2222a and f2222a. The transistor 2n2222 or 2n2222a are npn types and has the following electrical parameters. Genrerally manufacturers make wide variety of transistors for different application purposes. In case youre curious about which to use, or which one is better or superior than the other, in this article, we compare and contrast the 2 transistors. What is the difference between bc547 and 2n2222a transistor. The 2n2222 is a common npn bipolar junction transistor. They are designed for high speed switching application at collector current up to. Pn2222a 2n2222a pn2222a 2n2222a npn general purpose siepitaxial planartransistors siepitaxial planartransistoren fur universellen einsatz npn version 20051117 dimensions ma.
Difference between difference between bc547 and 2n2222. Applications datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. It was originally made of a to18 metal can as shown in the picture. But it comes in a metal can package and can operate on voltages slightly higher than what a 2n2222 can handle. Pricing and availability on millions of electronic components from digikey electronics. The 2n2222 transistor is subdivided into one group according to its dc current gain.
I found all these transistors and i have no idea whether they can be used as the 2n2222a transistor. The 2n3904 is also an npn transistor with same characteristics like 2n2222 but with one difference. The 2n2219 transistor is very much similar to the commonly used npn transistor 2n2222. I sincerely hope the original poster, who had a single post, has found a compliment to the 2n2222 by now. Free packages are available maximum ratings rating symbol value unit collector. Npn general purpose amplifier switch requiring collector currents up to 500ma.
There was a problem at the end because of the low sensitivity of the mic. Please consult the most recently issued document before initiating or completing a design. Electro tech is an online community with over 170,000 members who enjoy talking about and building electronic circuits, projects and gadgets. Description npn switching transistor in a sot23 plastic package. The 2n2222a is a slight bit better in terms of vceo, vcbo, vebo. The major functional area of 2n2222 is enclosed in to18 package. All about 2n2222 transistor and its circuit diagrams. On special request, these transistors can be manufactured in different pin configurations. That and in every case where ive replace 2n2222a with pn2222 i never got the same performance even at very low power 10mw levels. To get into arduino, i am buying a list of parts based on the contents of a kit, then buying the manual separately.
What properties of the 2n2222 transistor do you need. Thermal characteristicssymbol datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other. It can be used for amplification of analog signals as well as switching applications. Mar 04, 2018 the 2n2222 transistor is subdivided into one group according to its dc current gain. General purpose transistors npn silicon maximum ratings rating symbol value unit collectoremitter voltage pn2222 pn2222a vceo 30 40 vdc collectorbase voltage pn2222 pn2222a vcbo 60 75 vdc emitterbase voltage pn2222 pn2222a vebo 5. You should be able to substitute the former for the latter in any circuit but not necessarily vice versa. The devices maximum voltage tolerance breakdown voltage across its collector and base is 60 volts for 2n2222 and 75 volts for 2n2222a, with the emitters kept open. Sep 20, 2018 2 simple and amazing 2n2222a electronic projects. Sarma, the metal can version has better thermal capabilities and higher peak current. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds. Does anyone know if the transistor 2n4401 and 2n2222a are similar, and if it. Emitter voltage mps2222 mps2222a vceo 30 40 vdc collector.
Transistor 2n2222, 2n2222a, 2n2907 datasheet and application. Semicoa chip type 2c2222a geometry 0400 polarity npn,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. I need a bit more context to give an actual answer. P2n2222a amplifier transistors npn silicon features these are pb. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose lowpower amplifying or switching applications. I have a small circuit which controls the speed of a dc motor as per the ambient temperature. Unit vcbo collectorbase voltage open emitter 2n2222. The 2n2222 is used for general purpose lowpower amplifying or switching applications. Overall it is just another small signal transistor which is commonly used in switching and amplifying circuits.