The Raltron Electronics Crystals RH100-40.000-18-F-2050-TR is a 40MHz quartz crystal oscillator with an 18pF load capacitance. It is a surface mount device (SMD) with a 2050 TR package. This crystal oscillator is designed for use in a wide range of applications, including frequency control, timing, and synchronization. It features a low power consumption, high stability, and low jitter. It is suitable for use in a variety of consumer electronics, automotive, and industrial applications. It is also RoHS compliant.