During the reporting period, due to the overall macroeconomic situation and changes in industry development, the domestic and international market demand in 2012 was not as good as expected, and the company's operating performance declined. In 2012, the company achieved operating income of RMB 182.07 million, a decrease of 11.45% compared with the same period of last year; net profit of RMB 72.48 million, a decrease of 25.07% compared with the same period of last year.
Fast Recovery Diode (FRD) is a kind of semiconductor diode with good switching characteristics and short reverse recovery time. It is mainly used in electronic circuits such as switching power supply, PWM pulse width modulator and inverter, as high frequency Rectifier Diode. Use for freewheeling diodes or damper diodes. The internal structure of the fast recovery diode is different from that of a normal PN junction diode. It belongs to a PIN junction diode, which adds a base region I between the P-type silicon material and the N-type silicon material to form a PIN silicon wafer. Since the base region is thin and the reverse recovery charge is small, the reverse recovery diode has a short reverse recovery time, a low forward voltage drop, and a high reverse breakdown voltage (withstand voltage value).
Fast Diode,Fast Recovery Rectifier Diode,Fast Recovery Diode,Fast Switching Diode
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