The latest news shows that Apple is already preparing for the first batch of mass production of the new iPhone X Plus. It is expected that the OLED screen will reach mass production next month, and Samsung will be responsible. From the data point of view, it is expected that the mass production of the iPhone X Plus will begin in May, with a capacity of 2 to 3 million pieces. In June, the production capacity will be doubled. Three new iPhones in 2018 The mass production scale of the Apple iPhone X Plus is in stark contrast to the previous iPhone X. It is expected that the iPhone X Plus will not be available for sale after more than a month after the release of the iPhone X. According to previous exposures, Apple will launch three iPhones in 2018, including a cheap version of the iPhone X, an oversized iPhone X Plus and an upgraded version of the existing iPhone X. In terms of selling price, the iPhone X Plus is expected to sell for more than $1,000.
Fast Recovery Diode (FRD) is a semiconductor diode with good switching characteristics and short reverse recovery time. It is mainly used in switching power supplies, PWM pulse width modulators, inverters and other electronic circuits as high-frequency rectifier diodes. Free-wheeling or damper diodes are used. The internal structure of the fast recovery diode is different from that of an ordinary PN junction diode. It belongs to a PIN junction diode, that is, a base region I is added between the P-type silicon material and the N-type silicon material to form a PIN silicon wafer. Since the base area is thin and the reverse recovery charge is small, the fast recovery diode has a short reverse recovery time, a low forward voltage drop, and a high reverse breakdown voltage (withstanding voltage).
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