The complementary npn transistor to the 2n3906 is the 2n3904. Step by step 2n3906 pnp bjt breadbard switch circuit build. Difference between difference between bc547 and 2n2222 closed ask question asked 3 years, 1 month ago. Arduino forum using arduino general electronics is a 2n3906 an suitable substitute for a s8050. To help speed up the production of new videos and keep the website. Usually the bipolar junction transistor switch circuit is made with a npn transistor. Due to the low cost and small size it is the most commonly used transistor. It can control only one third of the current of 2n2222. It was originally made in the to18 metal can as shown in the picture the 2n2222 is considered a very common transistor, and is used as an. Jameco part number 787536 2004 fairchild semiconductor corporation rev. P2n2222a amplifier transistors npn silicon features these are pb. The only numbers that count are the 2nxxxx numbers they specify the part completely, the other numbers seem to be added in the schematic as a reference designation i cant be sure without seeing the diagram. What is the difference between bc547 and 2n2222a transistor.
The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. I have a small circuit which controls the speed of a dc motor as per the ambient temperature. The 2n2222 bjt belongs to a sort of npn bipolar junction transistor, used for general purpose lowpower amplifying or switching applications. However, stmicroelectronics assumes no responsib ility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. As compared with 2n2222 it shows forward gain at lower current.
Antique radio forums view topic 2n3904 2n3906 transistors. The 2n3904 is also an npn transistor with same characteristics like 2n2222 but with one difference. Shown are the npn 2n2222, npn 2n3904 and 2n3906 pnp type transistors. This will be used to drive power mosfets in a switch mode power supply. If you are using for some basic laboratory experiment for experimental purpose then it is assumed that the voltages are not that high. Transistor diagram npn and pnp 2n2222 2n3904 and 2n3906. Does anyone know if the transistor 2n4401 and 2n2222a are similar, and if it. Electroharmonix have reissued their original lpb1 and made the easiest boost you can find. The 2n2222 transistor is subdivided into one group according to its dc current gain. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds.
You should be able to substitute the former for the latter in any circuit but not necessarily vice versa. This kit is what you need to develop numerous different transistor circuits. So if you looking for a pnp transistor that could switch high voltage loads within 0. 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. Difference between difference between bc547 and 2n2222. 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. It is designed for low current and power, medium voltage, and can operate at moderately high speeds. That and in every case where ive replace 2n2222a with pn2222 i never got the same performance even at very low power 10mw levels. The major functional area of 2n2222 is enclosed in to92 package. Bjt transistors assortment kit set of 210 pnp and npn assorted transistors with 250 assorted resistors bipolar transistor pack with 2n3904 2n3906 s8050 2n2907 s8550 2n2222 bc337 c1815 bc327 a1015. The 2n3906 transistor is commonly used as a switching device. The useful dynamic range extends to 100 ma as a switch and to 100 mhz as an amplifier. After comparing the spec sheets online and doing a little bit of googling, i found that pnp transistor 2n3906 s characteristics and specs seem to fit. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose lowpower amplifying or switching applications.
It is designed for low electric current and power and medium voltage, and can operate at moderately high speeds. The 2n3906 is a commonly used pnp bipolar junction transistor intended for general purpose lowpower amplifying or switching applications. What i need is a replacement for a 2n3904 and 2n3906 in the same or similar package that can handle a little more current. Discussion in homebrew and kit projects started by kd2ixs, nov 30, 2015. He gives a couple mods you can add to make it a treble booster. Electro tech is an online community with over 170,000 members who enjoy talking about and building electronic circuits, projects and gadgets. All about 2n2222 transistor and its circuit diagrams.
It includes the extremely useful nightfire prototype transistor pcb along with some of. Question about the right transistors all about circuits. I have use bc547 for a project water level indicator. Free devices maximum ratings ta 25c unless otherwise noted characteristic symbol value unit collector. As complementary type, the npn transistor 2n3904 is. The 2n3904 and the 2n2222 are 2 of the most popular npn bipolar junction transistors in the electronics market. Npn general purpose amplifier this device is designed as a general purpose amplifier and switch. Sarma, the metal can version has better thermal capabilities and higher peak current. Perhaps allison who suggested 2n2222 metal case,did not mean against pn2222. Information furnished is believed to be accurate and reliable. Bjt transistors assortment kit set of 210 pnp and npn. Free packages are available maximum ratings rating symbol value unit collector. On special request, these transistors can be manufactured in different pin configurations. I do also wonder the same about other components, why 14 w instead of 1w or why 10v caps instead of 60v.