The nte6401 is designed for use in pulse and timing circuits, sensing circuits and thyristor trigger circuits. Transistors programmable unijunction discrete semiconductor products products for sale. This data sheet and its contents the information belong to the members of the premier farnell group of companies the. Bd875 datasheet pdf bd npn silicon planar darlington transistors. The programmable unijunction transistor put is an improved version of ujt. A pn unijunction transistor in a to92 type package designed for use in. Nothing in this agreement shall be construed as creating a joint venture, agency, partnership, trust or. This differs from other transistors in that general transistors usually provide the ability to act as a switch and also as a an amplifier. Jun 21, 2019 2n2646 ujt datasheet pdf highreliability discrete products and engineering services since 2n, 2n silicon unijunction transistor. Cmpp6028 tr central semiconductor corp,2n6028rlra on semiconductor,2n6027g on semiconductor.
Unijunction transistor applications the most common application of a unijunction transistor is as a triggering device for scr and triac but other ujt applications include sawtoothed generators, simple oscillators, phase control, and timing circuits. Put programmable unijunction transistor construction of put the construction of put programmable uni junction transistor is similar to that of scr, it has four layer of semiconductor material pnpn or npnp structure, with three junction j1 j2 and j3, terminal which is connected to the ptype material is called anode and the terminal which is. Programmable unijunction transistor, 2n6027 pdf download on semiconductor, 2n6027 datasheet pdf, pinouts, data sheet, equivalent, schematic, cross reference, obsolete, circuits electronic component search and free download site. But put is a four layer pnpn device it also known as small version of thyristors as shown in figure 12. A unijunction transistor is composed of a bar of ntype silicon having a ptype connection in the middle. Delivery times may vary, especially during peak periods. Application includes thyristortrigger, oscillator, pulse and timing circuits. Although a unijunction transistor is not a thyristor, this device can trigger larger thyristors with a pulse at base b1. Motorola order this document semiconductor technical data by 2n6027d 2n6027 programmable 2n6028 unijunction transistors silicon programmable unijunction transistors. Silicon planar unijunction transistors have a structure resulting in lower saturation voltage, peakpoint current and valley current as zell as a much higher base.
Boca, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Unijunction transistor, to18 online from elcodis, view and download 2n2646 pdf datasheet, transistors unijunction ujt specifications. Pin configuration 2n is a three terminal device and the conductive case also connected to a terminal. Unijunction transistor and ujt relaxation oscillator. The 2n is designed for use in pulse and timing circuits, sensing circuits and thyristor trigger. The unijunction transistor ujt thyristors electronics. This data sheet and its contents the information belong to the members of the premier farnell group of companies the group or are licensed to it.
It is used in freerunning oscillators, synchronized or triggered oscillators, and pulse generation circuits at low to moderate frequencies hundreds of kilohertz. Silicon planar unijunction transistors have a structure resulting in lower saturation voltage, peakpoint current and valley current as zell as a much higher baseone peak pulse voltage. The 2n2646 model is the most commonly used version of the ujt. The simplest of all ujt circuits is the relaxation oscillator producing nonsinusoidal waveforms. Datasheet 2n pdf programmable unijunction transistor 1page except as expressly permitted in this agreement, licensee shall not itself and shall restrict customers. The 2n2646 is intended for general purpose industrial applications where circuit. Unijunction transistor programmable unijunction transistor triggers designed to enable the engineer to program unijunction characteristics such as rbb, iv, and ip by merely selecting two resistor values. Its operation is similar to the ujt hence it is always considered with ujt, its trigger voltage vp can be programmed or decided by the designer via external. Below shows the symbol, construction, and equivalent circuit of the ujt. The nte6410 is a pn unijunction transistor in a to92 type package designed for use in pulse and timing circuits, sensing circuits and thyristor. Unijunction transistors are threelead transistors that act exclusively as electrically controlled switches.
Pn unijunction transistors silicon unijunction transistors, 2n4870 datasheet, 2n4870 circuit, 2n4870 data sheet. Onsemi, alldatasheet, datasheet, datasheet search site for electronic. Add to compare the actual product may differ from image shown. Specifically, im trying to emulate the behavior described in the 2n6028 datasheet.
However, i would like to build my own from normal transistors rather than buying one. A unijunction transistor is a threelead electronic semiconductor device with only one junction that acts exclusively as an. The unijunction transistor, abbreviated ujt, is a threeterminal, singlejunction device. Aug, 2019 a put programmable unijunction transistor is a 3terminal 4layer thyristor acting like a unijunction transistor. I found this page on the makezine forums where someone asked the same question. Nte6402 programmable unijunction transistor put description. Bry61 datasheet28 pages philips programmable unijunction. The nte6402 is a 3terminal silicon planer passivated pnp device available in the standard plastic low cost to98 and to92 type packages. A unijunction transistor ujt is a threelead electronic semiconductor device with only one junction that acts exclusively as an electrically controlled switch the ujt is not used as a linear amplifier.
Programmable unijunction transistor, 2n6027 datasheet, 2n6027 circuit, 2n6027 data sheet. G d s nte312 nchannel silicon junction field effect transistor to92 type package description. Onsemi, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. In this case the gate terminal is c onnected to the n region but in thyristor or scr gate is connected with p region, thus the anode and cathode constitute the pn junction which controls the on and off states of put. Jun 17, 2019 2n6028 datasheet pdf see detailed ordering and shipping information in the package dimensions section on page 7 of this data sheet. Competitive prices from the leading unijunction transistors ujt distributor. Sep 20, 2019 2n datasheet pdf silicon pn unijuction transistor boca semiconductor corporation dataaheet have ujt 2n datasheet questions and some answers. Transistors programmable unijunction discrete semiconductor products pdf and application notes download. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates.
The basic ujt and its variations are essentially latching switches whose operation is similar to the fourlayer diode, the most significant difference being that the ujt s switching voltage can be easily varied by the circuit designer. Transistors programmable unijunction products for sale. On semiconductor shall have the right to terminate this agreement upon written notice to licensee if. Once the capacitor gets charged to threshold voltage at a certain time t1, it will discharge by forcing the current through emitter of the ujt. Datasheet ujt 2n2646 pdf highreliability discrete products and engineering services since 2n, 2n silicon unijunction transistor. Description the utc 2n6027 is a programmable unijunction transistor, it uses utcs advanced technology to provide customers with low forward voltage, low gate to anode leakage current, low offset voltage and high peak output voltage, etc. Philips silicon unijunction transistor,alldatasheet, datasheet, datasheet search site for. In addition, these devices are much faster switches. Unijunction transistors and programmable unijunction transistors are applied to oscillators, timing circuits, and thyristor triggering. The 2n2646 is a silicon unijunction transistor with 30v emitter to. Aug 23, 2019 2n2646 datasheet pdf the capacitor c1 is for triggering the ujt and resistor r3 is for limiting the flow of charge to capacitor. Onsemi programmable unijunction transistor,alldatasheet, datasheet, datasheet search site for. Planeta jsc planeta, 2, fedorovsky ruchei, veliky novgorod, 173004.
The 2n2646 is intended for general purpose industrial applications where circuit economy is of primary. The nte312 is a field effect transistor designed for vhf amplifier. These devices may also be used in special thyristor. The connections at the ends of the bar are known as bases b1 and b2. Unijunction transistor programmable unijunction transistor triggers designed to enable the engineer to program unijunctioi characteristics such as rbb t. The terminals are designated as anode, anode gate, and cathode. For your security, you are about to be logged out 60 seconds.
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