A JFET transistor, which was widely used in earlier designs but is also found in more recent ones like the YuSynth Diode VCF. 25V is the D-G and 25V is the D-S voltages. G-S 25V is the voltage. Gate Current Constant: 10mA 360 mW of power One 2N3819 JFET N-Channel Transistor TO-92 is included in the kit. Datasheet for 2N3819 (7212-404.pdf, 1,035 KB) [Download]