According to our records, this business is located at P.O. BOX 3607 in Sunnyvale (in Santa Clara County), California 94088, the location GPS coordinates are: 37.36883 (latitude), -122.0363496 (longitude). Supertex Inc is categorized under Radiation Sensors (SIC code 3674). Known organization president is Henry Pao. Current estimates show that the unit has a sales volume of $51,394,000 and staff of approximately 334 people. You can contact the company by phone at (408) 222-8888.