Toshiba power transistor semiconductor data book 1983. Hfe has minimum and maximum values, though both may not be listed. Central semiconductor 2n3440 2n3440 250v 1a to39 npn transistor 5 items. Vcbo collector base voltage ie 0 vceo collector emitter voltage ib 0. Reverse the probes and measure the resistance again.
These devices are also available in to 39 and low profile u4 and. 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. Transistors peter mathys ecen 1400 transistor families there are two major families of transistors. If you are not sure which lead is the collector and which one is the emitter, refer to the package the transistor came in or the specifications on the manufacturers website. The characteristics and approximate specifications of 2n series discrete transistors are generally the same between different manufacturers when trying to decide which transistor you need, take into consideration the following. Npn transistor description the 2n3439, 2n3440 are silicon, ie value 2n3440 300 250 7 1 0. Semiconductor databook revised january, 2000 interfetcorporation n.
A selection of the most commonly used transistors and more. The breakdown voltage is where the transistor will stop operating or be destroyed if it is given an input voltage of that amount. It was originally made in the to18 metal can as shown in the picture the 2n2222 is considered a very common transistor, and is used as an exemplar. The 2n3904 is an npn transistor that can only switch onethird the current of the 2n2222 but has otherwise similar characteristics. By scanning a transistor data book selector guides in particular, a transistor that satisfies the.
Bipolar junction transistors bjt and fieldeffect transistorsfet. The central semiconductor 2n3439 and 2n3440 are silicon npn transistors designed for consumer and industrial lineoperated applications. Shiloh road, garland, tx 75042 972 4871287 fax972 2763375 databook. The transistor selection for a power electronic application depends on some criteria. Selection transistor an overview sciencedirect topics. Free packages are available maximum ratings rating symbol value unit collector. This bipolar junction transistor has a minimum operating temperature of 65 c and a maximum of 200 c. Buy 2n3440 npn bipolar low power transistor 250v 1a to39 metal package online at lowest price in india with best quality only on.
Nte electronics 2n3440 silicon npn transistor for power. 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. Substitute for 2n2222 electronics forum circuits, projects. Npn transistor circuit working, characteristics, applications. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. I get datasheets from your circuit design determines the output current. Calculate the base current ib to switch a resistive load of 4ma of a bipolar npn transistor which having the current gain. Toshiba transistor silicon pnp epitaxial type pct process 2sc1959 audio frequency low power amplifier applications driver stage amplifier applications switching applications excellent hfe linearity. Directions for determining the thermal resistance rths for cooling fins can be found on page 11. Silicon npn transistors, 2n3440 datasheet, 2n3440 circuit, 2n3440 data sheet. Ta25c symbol 2n3439 2n3440 units collectorbase voltage vcbo 450 300 v collectoremitter voltage vceo 350 250 v. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds. Free packages are available maximum ratings rating symbol value unit drain.
Since the distribution of heat in the transistor crystal is not uniform and depends on voltage and. The datasheet states the maximum allowed output current and your design should limit its. Get the best deals on motorola transistors when you shop the largest online selection at. For illustration purposes, let us select a 2n3440 transistor. The bar may also be underneath this box, depending on th. Toshiba power transistor semiconductor data book 1983 toshiba corporation 1983 acrobat 7 pdf 52. This bipolar junction transistors maximum emitter base voltage is 7 v. These devices are particularly suited as drivers in highvoltage low current inverters, switing and series regulators.
This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. The datasheet states the maximum allowed output current and your design should limit its output current to less. R1 is not part of the transistor, its just a typical load to work against for the simulation. It is defined as a gain because a small signal at the base produces a much larger signal at the collector. Unit conditions vceosus collectoremitter sustaing voltage 60 v ic200ma, ib0 vcersus collectoremitter sustaing voltage 70 v ic200ma, rbe100. I have seen many circuits using the 2n2222 transistor correct me if it isnt one. View datasheets, stock and pricing, or find other gp bjt. Guide to 2n series transistors approximate specs and characteristics. Absolute maximum ratings ta 25c unless otherwise noted these ratings are limiting values above which the serviceability of any semiconductor device may be impaired. Click on the vertical bar to the right of this box to proceed to the tab le of contents. Download 2n3440 datasheet from continental device india limited.
According to the datasheet, the typical values are 2v for on. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic. This family of highfrequency, epitaxial planar transistors feature low saturation voltage. Power dissipation 25c dc current gain hfe 4 a vce sat 1. The 2n2222 is a common npn bipolar junction transistor bjt used for general purpose lowpower amplifying or switching applications. Download 2n3440 datasheet from central semiconductor.
Calculate the base current of a bipolar npn transistor having the bias voltage 10v and the input base resistance of 200k. 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. Find electronic component datasheets, inventory, and prices from hundreds of manufacturers. Bjts have 3 terminals and come in two varieties, as npn and pnp transistors. 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. N stands for ntype material and p stands for ptype material. The datasheet shows the internals of the transistor, which looks like this a rough approximation using a typical npn r2 and r3 are internal to the transistor. This npn 2n3440 general purpose bipolar junction transistor, developed by semelab tt electronics, is your solution. Bipolar bjt transistor npn 250v 15mhz through hole to39.
If a mica insulation is used, the thermal resistance of the mica washer must be added, which amounts to about 0. It should read in the megaohm range for either direction. Toshiba transistor silicon pnp epitaxial type pct process. The characteristics and approximate specifications of 2n series discrete transistors are generally the same between different manufacturers. Oct 26, 2015 2n2222 pdf datasheet npn amplifier transistors 2n2222 motorola, 2n2222 datasheet, 2n2222 pdf, 2n2222 pinout, substitute, equivalent, data, circuit. It is recommended that transistors not be allowed to operate near these values, lest their lifespan be shortened. Of course you need the datasheet of the transistor to design a circuit using it.
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