ABLS7M SMD Microprocessor Crystals Abracon ABLS7M SMD Microprocessor Crystals are 50% smaller than the standard ABLS footprint and feature a maximum height of only 2.3mm. The ABLS7M series features tight stability and extended temperature options. Typical applications for Abracon ABLS7M SMD Microprocessor Crystals include wireless devices, home electronics, computers, and microprocessors.