Mpf 102 transistor datasheet bookshelf

Tr2 should be a vhf fet, such as the bf244, mpf102, and similar types. Mpf111 description low power field effect transistor casestyle to 72 geometry fn2. Public circuits, schematics, and circuit simulations on circuitlab tagged mpf102. But then, i am an old gas bag who also has fond memories of the old raytheon ck722 and the ge 2n107 transistors. Preliminary first production this datasheet contains preliminary data, and supplementary data will be published at a. Mpf106 datasheetpdf 1 page list of unclassifed manufacturers. The rf line npn silicon power transistor 100w, 30200mhz, 28v rev. I can recall the days before the mpf 102 was so widely known and we used the motorola hep801 and hep802 series of transistors. Mpf102 mpf102 jfet nchannel transistor datasheet futurlec. The transistor is encapsulated in a 4lead, sot121 flange envelope, with a ceramic cap.

A, january 2004 2n5245 absolute maximum ratings ta25c unless otherwise noted this ratings are limiting values above which the serviceability of any semiconductor device may be impaired. The high gain and broadband performance of this device makes it ideal for largesignal, common source amplifier applications in 7. Specifications may change in any manner without notice. The extremely high gate impedance of the transistor renders it somewhat liable to. You can significantly boost the gain by adding a source resistor bypass capacitor. Toshiba field effect transistor silicon n channel junction. The bipolar transistor, more commonly known as the bipolar junction transistor bjt, is a type of transistor that relies on the contact of two types of semiconductors for its operation. I am looking for a transistor similar to the mpf102. Minimum i dss can be less than 2, but must not be greater than 2.

For the first design example, we will use an mpf102 transistor with a vcc of 12 volts. Stm16 16 fold spectroscopy amplifier with discriminators and multiplicity trigger. Nchannel rf amplifier this device is designed for electronic switching applications such as low on resistance analog switching. Jfets are lowpower devices with a very high input resistance and invariably operate in the depletion mode, i. Click the button below to add the transistor fet mpf102 to your wish list. Octopart is the worlds source for mpf102 availability, pricing.

The gate resistor is normally anywhere from 1 meg to 100k. Major brands mpf102 transistor jfet n channel 3pin to92. Mpf102 transistor datasheet, mpf102 equivalent, pdf data sheets. Figure 2 lists the basic characteristics of these two devices this months article looks at basic usage information and applications of jfets. Nte electronics nte457 nchannel silicon jfet transistor for general purpose amplifier and switch, 25v, 15ma fairchild semiconductor j112. Radio shack once sold four nte equivalents for the mpf102. Mpf102 datasheet pdf nchannel rf amplifier fairchild. The first japanese radio to hit us shores was the sony tr63 in 1957. These parts were available over the web, with free shipment to your local store. Mpf102 fet preamplifier under repositorycircuits 44815. Is there anything that say radioshack would have in stock. We will allow no more than 5 ma of drain current under any circumstances. The meter part of the circuit works fine,but the front end from the tuned circuit forming the oscillator does not. You can use a transistor as a switch or you can use a transistor as an amplifier.

Datasheet identification product status definition advance information formative or in design this datasheet contains the design specifications for product development. A marking code, showing gatesource voltage vgs information is provided for matched pair applications. Mpf102 mpf102 jfet mpf102 transistor mpf102 jfet data sheet mpf102 application note mpf102 circuit application mpf102 nchannel transistor. T024 r38 r38 64 65 66 gft41 af102 2sa241 50m 50m 50m 150m 180ma 230msa 1. Mpf102 datasheet, mpf102 pdf, mpf102 data sheet, datasheet, data sheet, pdf, fairchild semiconductor, nchannel rf amplifier. Last months opening episode explained among other things the basic operating principles of jfets. The listing, brand new radio shack mpf102 fieldeffect transistor nchannel 2762062 has ended. Description plasticcase junction fieldeffect transistors. Peak current is ususally about twice the average current. Motorola smallsignal transistors, fets and diodes device data 3 nf, noise figure db 2. I am new to using jfets and need help,with a grid dip oscillator design that i have built,from a design i found online. Mpf102, mpf102 datasheet, mpf102 jfet nchannel transistor datasheet, buy mpf102 transistor. Just as a guess, its probably because so many published circuit designs call for the lowly mpf 102. I used another circuit again,based around a single mpf102,without the weird positive ground connection,leaving the meter half of the circuit as is.

Mpf105 plasticcase junction fieldeffect transistors. For resistor r3, the gate resistor, we will use 1 meg for a very high impedance across the gate. Tube mpf 105 or rohre mpf105 id40758, transistor, wires and universal shown. Mpf102 jfet n channel transistor tayda electronics. Preliminary first production this datasheet contains preliminary data. Mpf102 datasheet, mpf102 pdf, mpf102 data sheet, datasheet, data sheet, pdf. Free device maximum ratings rating symbol value unit drain. It works at much higher frequencies than the typical af jfets or the low rf jfets like mpf102, and can sustain higher voltage 30v making it more desirable for af applications as ccs. Toshiba field effect transistor silicon n channel junction type 2sk246 for constant current, impedance converter and dcac high input impedance amplifier circuit applications high breakdown voltage. The circuit is very simple and easy to build using only one transistor mpf 102 and few other components. Please can anyone advise the correct connections for the jfet as the two mpf102s in the circuit.

The circuit built can be found in the enclosed attachment. Motorola smallsignal transistors, fets and diodes device data. Yet since radio shacks 2015 reorganization, the web site can no longer fix you up with these equivalents. Again, the minimum is more important than the maximum. Motorola order this document semiconductor technical data by mpf102d jfet vhf amplifier nchannel depletion mpf102 1 drain 3 gate 2 source maximum ratings rating symbol value unit drainsource voltage vds 25 vdc 1 2 3 draingate voltage vdg 25 vdc gatesource voltage vgs 25 vdc case 2904, style 5 gate. Us radio manufacturers held on for a few years by moving. Ecg90 maximum ratings at tc25c unless otherwise noted. Technical information motorola semiconductor mpf102 datasheet. Ic cross reference cross reference ci stk cross reference ci tda cross reference ci sharp cross reference hitachi audio ic cross reference and circuit applications smd cross reference and equivalent we make every effort to ensure that the material on this site is accurate, however we do not warrant or represent that the information is free. Motorola order this document semiconductor technical data by mpf102 d jfet vhf amplifier nchannel depletion mpf102 1 drain 3 gate 2 source maximum ratings rating symbol value unit drainsource voltage vds 25 vdc 1 2 3 draingate voltage vdg 25 vdc gatesource voltage vgs 25 vdc case 2904, style 5 gate current ig 10 madc to92. Mpf102 datasheet, mpf102 pdf, mpf102 data sheet, mpf102 manual, mpf102 pdf, mpf102, datenblatt, electronics mpf102, alldatasheet, free, datasheet, datasheets, data. Mpf102 to92 nchannel rf amplifier this device is designed for electronic switching applications such as.

The maximum i dss must exceed your circuits peak drain current. Two of the oldest and best known nchannel jfets are the 2n3819 and the mpf102, which are usually housed in to92 plastic packages with the connections shown in figure 1. Rf power field effect transistor nchannel enhancementmode lateral mosfet the mrf1517 is designed for broadband commercial and industrial applications at frequencies to 520 mhz. Find the best pricing for on semiconductor mpf102 by comparing bulk discounts from 2 distributors. The circuit works fine with 2n918 also with bf115 different pin out. Mpf105 cross reference electronic circuits, tv schematics. Absolute maximum ratings ta25 degree c unless otherwise noted symbol parameter value units v dg draingate voltage 25 v v gs gatesource voltage 25 v igf forward gate current 10 ma. They are used in a variety of circuits and they come in many different shapes. Most jfets are nchannel rather than pchannel devices. Recent listings manufacturer directory get instant insight into any electronic component. Jfet nchannel transistor general purpose enlarge mfr. Macom and its affiliates reserve the right to make changes to the products or information contained herein without notice. Mpf105 datasheet plasticcase junction fieldeffect transistors. Mpf102 datasheet18 pages motorola jfet vhf amplifier.

Mosfet, darlington and bipolar transistors a transistor is used to amplify and switch electronic signals and electrical power. This seemed to work as expected,however with no buffer between the tank circuit,and the rf output meter part of the circuit,the oscillation soon died. Brand new radio shack mpf102 fieldeffect transistor n. A102 datasheet, a102 pdf, a102 data sheet, datasheet, data sheet, pdf. Nte electronics nte457 nchannel silicon jfet transistor for general purpose amplifier and switch, 25v, 15ma. Mpf111 datasheet description low power field effect. Semiconductor transistor, diode, ic cross reference. Japan, with its lower manufacturing costs, quickly dominated the market.