Unijunction transistor 2n2646 datasheet pdf

Pin configuration 2n is a three terminal device and the conductive case also connected to a terminal. Digitron semiconductors 2n2646, 2n2647 silicon unijunction transistor maximum ratings, semiconductors 2n2646, 2n2647 silicon unijunction transistor available nonrohs standard or rohs, symbol 2n2646 2n2647 interbase resistance vb2b1 3v. Philips, alldatasheet, datasheet, datasheet search site for electronic. If a 100nf capacitor is used to generate the timing pulses.

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. May 04, 2019 datasheet 2n2646 pdf 2n unijunction transistor. Aug 14, 2019 datasheet ujt 2n2646 pdf highreliability discrete products and engineering services since 2n, 2n silicon unijunction transistor. Sep 20, 2019 datasheet ujt 2n2646 pdf highreliability discrete products and engineering services since 2n, 2n silicon unijunction transistor. May 09, 2019 2n2646 datasheet pdf 2n unijunction transistor. Unijunction transistor, to18 online from elcodis, view and download 2n2646 pdf datasheet, transistors unijunction ujt specifications. Apr 02, 2020 2n2646 datasheet pdf 2n unijunction transistor.

Add to compare the actual product may differ from image shown. Aug 14, 2019 2n2646 ujt pdf the data sheet for a 2n unijunction transistor gives the intrinsic standoff ratio. 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. Ujt 2n2646 specification 2n2646 ujt scr 2n2646 put 2n2646. 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. Aug 27, 2019 2n2646 datasheet pdf 2n unijunction transistor. Nxp semiconductors, 2n2646, silicon unijunction transistor. Aug 16, 2019 2n2646 datasheet pdf 2n unijunction transistor. Jun 05, 2019 2n datasheet pdf silicon pn unijuction transistor boca semiconductor corporation. The complementary unijunction transistor, or cujt, is a bar of ptype semiconductor material into which ntype material has been diffused somewhere along its length, defining the device parameter.

Although a unijunction transistor is not a thyristor, this device can trigger larger thyristors with a pulse at base b1. The data sheet for a 2n2646 unijunction transistor gives the intrinsic standoff ratio. The 2n2646 model is the most commonly used version of the ujt. Silicon planar unijunction transistors have a structure resulting in lower saturation voltage, peakpoint current and valley current as zell as a much higher base. This helps explains the characteristics of a ujt, since we monitor its behavior when different voltage levels are given to it, which in turn, helps us. Unijunction transistor charactertistics curve this unijunction transistor characteristics curve helps explain how a unijunction transistor behaves when differing levels of voltages are fed to it. Philips silicon unijunction transistor,alldatasheet, datasheet, datasheet search site for. Pdf 2n489494a 2n264647a ujt transistor 2n2160 2n2160 2n602b general electric scr 2n2222 germanium ujt 2n2646 2n4891 2n2646 ujt ujt 43 programmable unijunction transistor applications of ujt with circuits. 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. Jan 05, 2020 datasheet ujt 2n2646 pdf highreliability discrete products and engineering services since 2n, 2n silicon unijunction transistor. A unijunction transistor ujt is a threelead electronic semiconductor device with only one. Aug 29, 2019 2n2646 ujt pdf posted on august 29, 2019 by admin the data sheet for a 2n unijunction transistor gives the intrinsic standoff ratio. Unijunction transistor 2n2646 of 2n2646 transistor 2n2647 2n2646.

The 2n2646 is intended for general purpose industrial applications where circuit. Silicon unijunction transistor, 2n2646 datasheet, 2n2646 circuit, 2n2646 data sheet. The unijunction transistor ujt thyristors electronics. Jul 25, 2019 2n2646 datasheet pdf 2n unijunction transistor. 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. Details datasheet, cross reference, circuit and application notes in pdf format. The 2n2646 is a silicon unijunction transistor with 30v emitter to base voltage. A unijunction transistor is composed of a bar of ntype silicon having a ptype connection in the middle. Digitron silicon unijunction transistor,alldatasheet, datasheet, datasheet search site for. In addition, these devices are much faster switches. The 2n is designed for use in pulse and timing circuits, sensing circuits and thyristor trigger. With this current flow at the emitter the ujt will get from high resistance to low resistance state and there by acting as a short circuit.

Unijunction transistor and ujt relaxation oscillator. Sep 03, 2019 datasheet ujt 2n2646 pdf highreliability discrete products and engineering services since 2n, 2n silicon unijunction transistor. The 2n2646 is designed for use in pulse and timing circuits, sensing circuits and thyristor trigger. Sep 20, 2019 2n2646 ujt datasheet pdf highreliability discrete products and engineering services since 2n, 2n silicon unijunction transistor. Datasheet ujt 2n2646 pdf highreliability discrete products and engineering services since 2n, 2n silicon unijunction transistor. Jun 21, 2019 2n2646 ujt datasheet pdf highreliability discrete products and engineering services since 2n, 2n silicon unijunction transistor. The unijunction transistor was invented as a byproduct of research on germanium tetrode transistors at general electric.