Transistor equivalents for the substitution of modern. Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. Transistor equivalent circuits and models learning objectives general dc equivalent circuit ac equivalent circuit equivalent circuit of a cb amplifier effect of source resistance r s on voltage gain equivalent circuit of a ce amplifier equivalent circuit of a cc amplifier smallsignal lowfrequency model or representation. But you could look in a catalogue for a silicon npn transistor with a voltage rating greater than 25 volts and a current capacity greater than 100 milliamps and a gain greater than 100 and the pinout sequence ebc and perhaps ft greater than 100mhz. Characteristic collectorbase voltage collectoremitter voltage emitterbase voltage collector current collector power dissipation ta25 junction temperature storage temperature. Transistors substitutionsequivalents all about circuits. Semiconductor cross reference book paperback july, 1996. Kn2222 datasheet, equivalent, cross reference search. Everyday low prices and free delivery on eligible orders. The value of the current limiting resistor may be calculated by using the formula explained at the end of this article the transistor 2n2907 is complementary pair for 2n2222 and has identical specs as above, however being a pnp type the associated polarities are exactly opposite. Here is an image showing the pin diagram of the this transistor. Diode 1n9148 1n4307 1n4532 diode 1n3605 2n2222 chip 2n2369 transistor se708 ma1704 ma1703 text. Should you find any info that can fill in any of the blanks in the matrix below.
The 2n3904 exhibits its forward gain beta peak at a lower current than the 2n2222, and is useful in amplifier applications with reduced i c, e. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose. I am planning to make the vu meter as the schematic in the image. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, base, and collector leads. Smallsignal transistor data book, 86 pages, 1984, motorola. It was originally made in the to18 metal can as shown in the picture the 2n2222 is considered a very common transistor, and is used as an exemplar. Kec, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Switching time equivalent test circuits scope rise time switching transistor package to92.
Between bc547 and 2n2222, which one is better is for. Epitaxial planar npn transistor general purpose, switching, kn2222 datasheet, kn2222 circuit, kn2222 data sheet. International transistor equivalents guide bernard babani. Pinball transistor equivalent chart, or how to read. Apr 27, 2016 c5929 datasheet npn silicon transistor panasonic, c5929 pdf, c5929 pinout, c5929 equivalent, c5929 data, c5929 circuit, c5929 output, c5929 schematic. Jan 01, 2020 the transistor 2n2222 is one of the important and very commonly used transistor type which finds numerous switching application in electronic circuts. Weve got a frys close to my work, but i dont find for example tip122 or tip36c when i do a search. The 2n3904 is an npn transistor that can only switch onethird the current of the 2n2222 but has otherwise similar characteristics. Transistor as a switch discrete semiconductor circuits. If the technician was to measure continuity in any more than two or any less than two of the six. The links at left may help you to research your own replacement transistors. Features datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors.
Telephone replacement cord w rj14 plugs 20ft cei 7c2210 ivory 2 pcs. Nte is a company that specializes in cross referenced parts. Apr 05, 2008 i during 80s and 90s, i used to search for components equivalents in books. Obviously, amplifiers and oscillators should operate somewhat below this frequency. 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. Bipolar power transistor selection guide january 2003 table of contents product page general purpose transistors horizontal deflection output transistors product page dpak d2pak sot223 ipak to126 todarlington transistors dpak ipak to126 to220 to220f to3p to3pf switching transistors dpak d2pak to92 to126 to220 to220f to3p to3pf 2. Choosing transistor replacements electronics notes. See all 2 formats and editions hide other formats and editions. Cross reference universal transistor reference page 1.
Kn2222 npn transistor complementary pnp, replacement. Kn2222 npn transistor complementary pnp, replacement, pinout, pin. The apidictor was designed in the early 1950s and contained three types of transistor, each of which could be of two specified types, but none of these are in general supply as of the early 2000s. Transistor 2n2222, 2n2222a, 2n2907 datasheet and application. Replacement and equivalent transistor for the 2n2222. As such, transistors register as two diodes connected backtoback when tested with a multimeters resistance or diode check function as illustrated in the figure below. Transistor equivalent book pdf free download by corfikome. Aug 25, 2011 crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. I have seen many circuits using the 2n2222 transistor correct me if it isnt one. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34.
Bipolar power transistor selection guide january 2003 table of contents product page general purpose transistors horizontal deflection output transistors product page dpak d2pak sot223 ipak to126 todarlington transistors dpak ipak to126 to220 to220f to3p to3pf switching transistors dpak d2pak to92 to126. Kn2222 transistor datasheet pdf, kn2222 equivalent. Substitute for 2n2222 electronics forum circuits, projects. The base goes to the source voltage or the triggering voltage via a current limiting resistor. C5929 datasheet vcbo1550v, npn transistor panasonic. This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. World transistor equivalents data az by eca author 4. Bipolar transistors are constructed of a threelayer semiconductor sandwich either pnp or npn. Transistor equivalents for the substitution of modern transistors in elderly projects. C5929 datasheet npn silicon transistor panasonic, c5929 pdf, c5929 pinout, c5929 equivalent, c5929 data, c5929 circuit, c5929 output, c5929 schematic. Without data sheets that explain what part is good for what purpose, wed become vulnerable to the braineating whats the best programming language. Original transistor type original alternative type modern substitute alternative substitute. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds.
I during 80s and 90s, i used to search for components equivalents in books. Nov 30, 2015 transistor gain drops with increasing frequency. So i just wanted to know can the bc148 be used as a general substitute for 2n2222 or is it just the case in this. Or, point me to an article that explains transistor specifications and how to read them. Kn2222 datasheet, kn2222 pdf, kn2222 data sheet, kn2222 manual, kn2222 pdf, kn2222, datenblatt, electronics kn2222, alldatasheet, free, datasheet, datasheets, data. Electrically similar transistors in a to92 package. Kn2222 datasheet description general purpose transistor. It is also helpful for a quick functional check of the transistor. The main feature of this transistor is its ability to handle relatively high magnitudes of currents compared to other simiar small signal types of transistors.