Apex Microtechnology, a subsidiary of HEICO Corporation, is based in Tucson, Arizona. Apex designs and manufactures precision power analog monolithic, hybrid and open frame components for a wide range of industrial, test and measurement, medical, aerospace and military applications. 

Apex Microtechnology is a recognized leader for consistently developing products that lead the industry in terms of performance, quality, and reliability.

Founded in 1980, Apex Microtechnology was acquired in 2007 by Cirrus Logic. Following a five-year tenure as a division of the Austin, Texas, based developer of complex chip designs, Apex Microtechnology was returned to a stand-alone corporation in 2012 with its sale to a private investor group led by Alerion Capital Group, a private equity and management advisory firm located in Scottsdale, Arizona. In 2018, Apex was acquired by HEICO Corporation as a part of their Electronics Technologies Group.

Apex Microtechnology (Apex) offers industry-leading power analog innovation for applications requiring high precision control of current, voltage and speed in the industrial, defense and aerospace, medical, and semiconductor capital equipment markets. The Apex product families include power operational amplifiers (linear amplifiers), PWM amplifiers (pulse width modulation, Class D amplifiers, switching amplifiers) and precision voltage references.

apex is product portfolio consists of Driver board/module, connector, power amplifier, PWM amplifier, DC-DC converter, etc..