First, the role of an FET, the FET can be used as a variable resistor. 2, the FET can be conveniently used as a constant current source. 3, the FET can be used as an electronic switch. Second, FET test, pin junction type field effect transistor recognition: the gate of the FET corresponds to the transistor base STP65NF06 parameters, source and drain correspond to the emitter and the collector of the transistor. The multimeter R × 1k file, along with the two leads were used to measure positive and negative resistance between two pins each. When positive and negative resistance between two pins equally certain, both the number of KΩ, then these two pins for the drain D and source S (interchangeable), and the remaining one pin is the gate G . For JFET STP65NF06 supply four pins, the other pole is shielded pole. STP65NF06 diode, also known as crystal diode, referred diode (diode), in addition, there are early vacuum electron diode; it is a one-way conduction current electronic devices have. In the semiconductor PN junction diode has an internal two lead terminals, this electronic device in the direction of the applied voltage STP65NF06, with unidirectional current transducing. Generally STP65NF06 price, crystal diode is a p-type semiconductor and n-type semiconductor pn junction formed at the interface of sintered. Space charge layer is formed on both sides of the interface, constitutes self field. When the applied voltage is equal to zero, due to the pn junction on both sides of the carrier concentration difference caused by the drift current and diffusion current caused by the self-built electric field equal and in an electrically balanced state, which is under the normal diode characteristics. 2SC3647S-TD-E STP65NF06 price, Jiangsu STP65NF06, 耀坤 technology provided by Nanjing 耀坤 Technology Limited. Nanjing 耀坤 Ltd. (www.njykkj888.com) strong, credible, in Nanjing, Jiangsu diode industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Yaokun into the brilliant technology and you work for a better future!