The ATS061 series from CTS Corporation consists of crystals oscillating at 6.144 MHz, which are used across a variety of electronic systems requiring precise timing. If you're working on telecommunications equipment, networking gear, or any device that needs stable clocking, these crystals are likely to be a part of your design. One thing worth noting is their stability; they provide excellent frequency accuracy and are less susceptible to temperature variations compared to other types of oscillators. Engineers tend to reach for these when they need a reliable, high-frequency reference without the complexity and cost of a full crystal oscillator circuit. Additionally, their small size makes them ideal for space-constrained applications where minimizing board footprint is crucial.