Jan 19, 2014 2n26462n2647 transistor data sheet 1,734 views. Home transistors general purpose 2n series 2n2646 2n2646 unijunction transistor datasheet technical information philips semiconductors 2n2646 datasheet. We can consider this the solidstate equivalent of the previously described. May 28, 2019 this simple sweeper may be used at any spot frequency between 100 khi and 60 mhr by simply using the coils listed in tabie 2. Buy magnatec 2n2646 ujt transistor, 3pin to18 2n2646.
For the 2n2646 this value is in the range between 0,56 and 0,75. Toshiba power transistor semiconductor data book 1983. You possibly can do that to match the characteristics of the 2n2646 in the original circuit. Directions for determining the thermal resistance rths for cooling fins can be found on page 11. Absolute maximum ratings symbol parameter value unit vceo collectoremitter voltage ib 0 140 v vcev collector. By using a three position range switch, the three most popular frequencies may be used, such as 455 khx, 1600 khz and 10,7 mhi. Ic cross reference cross reference ci stk cross reference ci tda cross reference ci sharp cross reference hitachi audio ic cross reference and. Oxford university press usa publishes scholarly works in all academic disciplines, bibles, music, childrens books, business books, dictionaries, reference books, journals, text books and more. Thermal data symbol parameter value unit vcbo collectoremitter voltage i e 0 50 v vceo. General electric solid state catalog first page, datasheet, datasheet search, data sheet, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes. Silicon unijunction transistor, 2n2646 datasheet, 2n2646 circuit, 2n2646 data sheet. Some part number from the same manufacture multicomp. The original unijunction transistor, or ujt, is a simple device that is essentially a bar of ntype semiconductor material into which ptype material has been diffused somewhere along its length, fixing the device parameter the intrinsic standoff ratio.
Asi, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors. In his book 110 semiconductor projects for the home constructor 2nd edition 1978, r. Get the best deal for motorola transistors from the largest online selection at. Each data book contains lots of handy information to help you understand. V eb1sat emitter saturation voltage v b2b1 10v, i e 50 ma 2. Public circuits, schematics, and circuit simulations on circuitlab tagged 2n2646. Replacement for 2n6027 electrical engineering stack exchange. Toshiba power transistor semiconductor data book 1983 toshiba corporation 1983 acrobat 7 pdf 52. By using a three position range switch, the three most popular. The basic structure of a unijunction transistor ujt is shown in fig. Silicon planar unijunction transistors have a structure resulting in lower saturation voltage, peakpoint current and valley current as zell as a much higher base.
Guide to 2n series transistors approximate specs and characteristics. If a mica insulation is used, the thermal resistance of the mica washer must be added, which amounts to about 0. This device can also be used in power switching circuits such as relay or solenoid drivers, dc. Ultiboard 11 layout file, the only part in this file is a modified version of the to18 package since the one shown in philips datasheet is different in form and pin order than the. The 2n2646 is a silicon unijunction transistor with 30v emitter to base voltage. The device is popular as a triggering device and is not suited for driving power loads. P type right hand symbol is upside down b2 should be next to e. The characteristics and approximate specifications of 2n series discrete transistors. Texas instruments transistor and diode databook 1st ed 1973 datasheets for diodes from 1n251 on and transistors from 2n117 on acrobat 7 pdf 34. November 2006 rev 2 19 9 bc107 bc107b low noise general purpose audio amplifiers description the bc107 and bc107b are silicon planar epitaxial npn transistors in to18 metal case. Note the, unijunction transistor in 1956, general electric has continued developing an. A unijunction transistor ujt is a threelead electronic semiconductor device with only one. In addition, these devices are much faster switches. Since the distribution of heat in the transistor crystal is not uniform and depends on voltage and.
Tube 2n2646 or rohre 2n2646 id34366, transistor, wires and universal shown. Magnatec 2n2646 ujt transistor, 3pin to18 rs components. They share the same datasheet, and i think the differences almost. Transistor unijunction, to18 symbol ratings value unit v b2e emitterbase2 voltage 30 v i e rms emitter current 50 ma i e peak pulse emitter current 2 a v b2b1 interbase voltage 35 v p d rms. Asi, alldatasheet, datasheet, datasheet search site for electronic components. 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. Philips, alldatasheet, datasheet, datasheet search site for electronic. Pspice model library includes parameterized models such as bjts, jfets, mosfets, igbts, scrs, discretes, operational amplifiers, optocouplers, regulators, and pwm controllers from various ic vendors. Electrical ratings bc107 bc107b 29 1 electrical ratings table 1. Silicon pn univunction transistor, 2n2646 datasheet, 2n2646 circuit, 2n2646 data sheet. We only supply to business customers nonbusiness customers, click here over 8000 products have a question. Ultiboard 11 layout file, the only part in this file is a modified version of the to18 package since the one shown in philips datasheet is different in form and pin order than the one in ultiboard. Apr 15, 2018 you possibly can do that to match the characteristics of the 2n2646 in the original circuit.
Unijunction transistors british amateur electronics club archive. The 2n2646 model is the most commonly used version of the ujt. Home components hardware boards books kits futurlec the electronic components and semiconductor superstore. Semiconductor transistor, diode, ic cross reference. Electus distribution 2n2646 unijunction transistor.
Philips silicon unijunction transistor,alldatasheet, datasheet, datasheet search site for. General electric solid state datasheet pdf catalog first. This simple sweeper may be used at any spot frequency between 100 khi and 60 mhr by simply using the coils listed in tabie 2. Free packages are available maximum ratings rating symbol value unit collector. The original unijunction transistor, or ujt, is a simple device that is essentially a bar of ntype semiconductor material into which ptype material has been.