The ABRACON ABLS-18.000MHZ-B4-T is a hermetically sealed SMD crystal oscillator, specifically engineered for applications demanding high frequency stability and reliability. It's suitable for use in computers, modems, microprocessors, and wireless communication systems. The crystal offers a wide frequency range, operating in both fundamental and overtone modes, and is designed to withstand a broad temperature range. Its low equivalent series resistance (ESR) and tight frequency tolerance ensure accurate and stable operation. The ABLS series is RoHS compliant and available in various packaging options to meet diverse manufacturing needs. Abracon's crystals are ISO9001:2008 certified, guaranteeing consistent quality and performance.