2n3906 vs 2n2222 pdf

As complementary type, the npn transistor 2n3904 is. 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. Shown are the npn 2n2222, npn 2n3904 and 2n3906 pnp type transistors. Does anyone know if the transistor 2n4401 and 2n2222a are similar, and if it. He gives a couple mods you can add to make it a treble booster. Bjt transistors assortment kit set of 210 pnp and npn. The 2n3904 is also an npn transistor with same characteristics like 2n2222 but with one difference. To help speed up the production of new videos and keep the website.

Difference between difference between bc547 and 2n2222. Perhaps allison who suggested 2n2222 metal case,did not mean against pn2222. The 2n2222 bjt belongs to a sort of npn bipolar junction transistor, used for general purpose lowpower amplifying or switching applications. Usually the bipolar junction transistor switch circuit is made with a npn transistor. It can control only one third of the current of 2n2222. 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. Question about the right transistors all about circuits. I have a small circuit which controls the speed of a dc motor as per the ambient temperature. It is designed for low electric current and power and medium voltage, and can operate at moderately high speeds. 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. Electroharmonix have reissued their original lpb1 and made the easiest boost you can find. I have use bc547 for a project water level indicator. Due to the low cost and small size it is the most commonly used transistor.

If you are using for some basic laboratory experiment for experimental purpose then it is assumed that the voltages are not that high. P2n2222a amplifier transistors npn silicon features these are pb. It was originally made in the to18 metal can as shown in the picture the 2n2222 is considered a very common transistor, and is used as an. The useful dynamic range extends to 100 ma as a switch and to 100 mhz as an amplifier. As compared with 2n2222 it shows forward gain at lower current. It is designed for low current and power, medium voltage, and can operate at moderately high speeds. On special request, these transistors can be manufactured in different pin configurations. The 2n3906 is a commonly used pnp bipolar junction transistor intended for general purpose lowpower amplifying or switching applications. The 2n3904 and the 2n2222 are 2 of the most popular npn bipolar junction transistors in the electronics market. The 2n3904 is a common npn bipolar junction transistor used for generalpurpose lowpower amplifying or switching applications. That and in every case where ive replace 2n2222a with pn2222 i never got the same performance even at very low power 10mw levels.

This kit is what you need to develop numerous different transistor circuits. The 2n3906 transistor is commonly used as a switching device. So if you looking for a pnp transistor that could switch high voltage loads within 0. The complementary npn transistor to the 2n3906 is the 2n3904. I do also wonder the same about other components, why 14 w instead of 1w or why 10v caps instead of 60v. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds. Discussion in homebrew and kit projects started by kd2ixs, nov 30, 2015. Free packages are available maximum ratings rating symbol value unit collector.

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. The 2n2222 transistor is subdivided into one group according to its dc current gain. Transistor diagram npn and pnp 2n2222 2n3904 and 2n3906. Free devices maximum ratings ta 25c unless otherwise noted characteristic symbol value unit collector. 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. 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. Information furnished is believed to be accurate and reliable. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose lowpower amplifying or switching applications.

It includes the extremely useful nightfire prototype transistor pcb along with some of. What is the difference between bc547 and 2n2222a transistor. The major functional area of 2n2222 is enclosed in to92 package. All about 2n2222 transistor and its circuit diagrams. Sarma, the metal can version has better thermal capabilities and higher peak current. Antique radio forums view topic 2n3904 2n3906 transistors.

This will be used to drive power mosfets in a switch mode power supply. What i need is a replacement for a 2n3904 and 2n3906 in the same or similar package that can handle a little more current. Jameco part number 787536 2004 fairchild semiconductor corporation rev. Npn general purpose amplifier this device is designed as a general purpose amplifier and switch. 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. You should be able to substitute the former for the latter in any circuit but not necessarily vice versa. Electro tech is an online community with over 170,000 members who enjoy talking about and building electronic circuits, projects and gadgets.