ECS-49-18-4XEN

Series:	HC-49USX
Packaging:	Bulk
Part Status:	Active
Type:	MHz Crystal
Frequency:	4.9152MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	18pF
ESR (Equivalent Series Resistance):	150 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Mounting Type:	Through Hole
Package / Case:	HC-49/US
Size / Dimension:	0.447" L x 0.183" W (11.35mm x 4.65mm)
Height - Seated (Max):	0.138" (3.50mm)

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Crystals: ECS-49-18-4XEN Application Field and Working Principle

Crystals are one of the most basic and important components in any electronics. Crystals play a vital role in providing electrical timing and signal transmission, as well as signal isolation and frequency stability. The ECS-49-18-4XEN is a cerium activated quartz crystal from EPCOS, a division of TDK Corporation. This crystal is a member of the standard ECS series, which is based on the high performance 4xEN-QA mounting design, making it an ideal choice for many high-frequency semiconductor applications.This crystal is designed for applications between 20MHz-200MHz. It has an equivalent series resistance (ESR) of 14 ohms, a frequency temp. coefficient of 0±25ppm/-10°C/+60°C, and a tolerance of ±10 ppm or ±12.5ppm, depending on frequency and application conditions. The ECS-49-18-4XEN is constructed with a molded quartz crystal, allowing for improved vibration resistance and long term stability. Additionally, this crystal is designed for use in moist environments, and can operate in a temperature range of -30°C to +85°C.The working principle of a crystal oscillator is based on the fact that when a voltage is applied to a crystal, the crystal vibrates at its natural frequency. This frequency is called the resonant frequency of the crystal, and it is proportional to the capacitance of the crystal. This phenomenon is known as the piezoelectric effect. The ECS-49-18-4XEN is ideal for use in a variety of high-frequency semiconductor applications, such as clock oscillators, RF modules, cellular phones, and computer networking. This crystal is well-suited to use in applications where a high frequency and accuracy is required, and its robust construction makes it highly resistant to vibration and temperature changes. Additionally, this crystal can be easily integrated into circuit boards, making it versatile and user-friendly.In addition to its use in high-frequency semiconductor applications, the ECS-49-18-4XEN can also be used in other electronics, such as consumer electronics, instrumentation, and medical devices. Its low insertion loss and wide frequency range make it well-suited for use in these applications. Additionally, the crystal has impressive environmental performance, and can be used in environments with high humidity and temperature variances.Overall, the ECS-49-18-4XEN crystal is a versatile component that can be used in a variety of electronic devices. Its robust construction, wide frequency range, and excellent environmental performance make it an ideal choice for many high-frequency semiconductor applications. Furthermore, its user-friendly design makes it easy to integrate into circuit boards and other electronic systems.

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