The ECS International Crystals ECS-120-18-7SX-TR is a 12.0000MHz crystal with an 18pF load capacitance. This surface mount device (SMD) is designed for use in a wide range of applications, including oscillators, filters, and frequency dividers. It features a low profile design, making it ideal for use in space-constrained applications. The ECS-120-18-7SX-TR is RoHS compliant and offers excellent frequency stability and low aging. It is also highly reliable and offers a long service life. With its wide operating temperature range and low power consumption, the ECS-120-18-7SX-TR is an ideal choice for a variety of applications.