SCR performance difference: the knob dial to R × 1 block, for 1 ~ 6A way SCR SCR, red pen then K pole, black pen turned on simultaneously G, A pole is not in keeping black pen A very disconnected from state G pole, the pointer should indicate dozens of Europe to one hundred Euro SCR BTA216, this time the SCR has been triggered, and the trigger voltage is low (or trigger current is small). A pole momentary disconnect and then on again, the position of the pointer should be returned ∞, then the SCR is good. SCR SCR can be achieved in the circuit AC non-contact control, a small current to control high current triac BTA140, and not as controlled as the spark generated when the relay, and the fast, long life, high reliability . In speed, dimming, voltage regulators, thermostats, and other various control circuits has its presence. SCR is divided into one-way and two-way, the symbol is different. There are three-way thyristor PN junction, the outermost layer of the P and N poles leads to two electrodes, called the anode and cathode, by the middle of the P-pole leads to a control electrode. Way thyristor has its unique features: When reverse voltage anode, or positive voltage anode pole but no voltage control, it is not conducting thyristor BTA412Y, while the anode and the gate at the same time connected to the positive When the voltage is turned on it will. Once turned on, the control voltage has lost its control action, with or without the control voltage, regardless of the polarity of the control voltage, will remain in the conduction state. To shut off, and only the anode voltage is reduced to a critical value, or reverse. Most triac pin is sequentially T1, T2, G from the left to right (the electrode pins down, there is a character of one side of the face). When the trigger pulse applied to the control electrode G of the size or time changes, will be able to change the size of on-current. SCR BTA312 | SCR | are fertile Electronics Dongguan City is provided by Wal-Electronic Technology Co., Ltd. Dongguan City is Wal-Electronic Technology Co., Ltd. (www.dgmydz.com) (www.dgmydz.com) strong, credible, FET and other industries in Dongguan, Guangdong has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the electronics are fertile and you hand into the brilliant, for a better future! You can also access (www.dgmydz.com/supply_details_39938565.html), for more information about the company.