Thyristor module manufacturers | | | thyristor module thyristor module

by:Positioning     2021-03-01
Thyristor module belongs to the field devices, is a kind of power semiconductor switching devices, also known as thyristor module, SCR is referred to as '. According to the working characteristic, thyristor can be divided into unidirectional and bidirectional silicon controlled thyristor. Silicon controlled rectifier is also called thyristor, it is composed of four layers of semiconductor PNPN device, has three electrodes, the anode, cathode and control G K A. Thyristor contactless control can achieve an alternating current in the circuit, in small current to control large current, and do not like relay control has a spark, and fast, long life and good reliability. In the control of motor speed, dimmer, regulating, air-conditioning and other various kinds of control circuit has the figure of SCR. SCR is divided into one-way and two-way, symbol is different also. One-way thyristor has three p-n junction, by the outermost layers of P and N pole which leads to the two electrodes, known as the anode and cathode respectively, by the middle of the P extremely lead to a control. One-way thyristor has its unique features: when the anode reverse voltage, or the anode voltages, control forward voltage but highly it is conduction, and the anode and control by forward voltage at the same time, it will turn into conducting state. Once the conduction, the control voltage, lost control of it, irrespective of the control voltage, also, regardless of the control voltage polarity will have been conducting state. If you want to shut off, only by reducing the anode voltage to a critical value, or the reverse. Is the cause of most of the bidirectional thyristor pins in T1, T2, G order from left to right ( Electrode pin down, in the face of one side of the character) 。 Add in the control of G on the size of the trigger pulse or time change, can change the size of the current flow. Bidirectional thyristor and unidirectional thyristor, is the difference between a bidirectional thyristor trigger pulse on G very polarity changes, its conduction direction and subject to change with the change of polarity, which can control the ac load. And one-way thyristor after trigger only from anode to cathode to the unilateral, so has single and double to SCR. SCR is commonly used in electronic production, one-way MCR - 100, two-way TLC336 etc. Bidirectional thyristor according to the quadrant, is divided into four elephants three-terminal two-way thyristor, three quadrants bidirectional thyristor; According to the packaging, is divided into general half thanks to all plastic packaging, exterior insulation type; According to trigger current to points, divided into micro contact type, high sensitive type, standard type trigger; According to the electricity of subsection, varieties of conventional varieties, high voltage. SCR products due to its application in circuit of high efficiency, good control performance, long service life, the advantages of small volume and powerful function, since the last century 60 long generation, obtained the rapid development, and has formed an independent discipline. Purchasing thyristor welcome to visit website. Thyristor module forever only a little more than a rival, is more than a little thought for the customer. If interested in our silicon controlled rectifier module or there is doubt, welcome your consultation, we wholeheartedly at your service.
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