Polyfet has been shipping in volume High Power RF Mosfet Transistors employing both State of the Art LDMOS (Lateral) and VDMOS (Vertical) silicon gate technologies since 1988. We are located about an hour's drive North West of Los Angeles, California. A privately held company we have a proud history of providing excellence in service, delivering quality products on time and full technical support to assist customer engineers in selecting and designing our transistors into their amplifiers. Our products have long life time cycles of over fifteen years making them suitable for Military applications. For those who use software to design amplifiers a set of S parameters and Spice models can be downloaded. Other information such as our address, company history, representative listings, etc are also available within the web site. A search feature facilitates in locating data sheets, application notes and others..