
Allicdata Part #: | ECS-245.7-20-4XDN-ND |
Manufacturer Part#: |
ECS-245.7-20-4XDN |
Price: | $ 0.48 |
Product Category: | Crystals, Oscillators, Resonators |
Manufacturer: | ECS Inc. |
Short Description: | CRYSTAL 24.5760MHZ 20PF T/H |
More Detail: | 24.576MHz ±30ppm Crystal 20pF 30 Ohms HC-49/US |
DataSheet: | ![]() |
Quantity: | 8 |
1 +: | $ 0.42840 |
Series: | HC-49USX-DN |
Packaging: | Bulk |
Part Status: | Active |
Type: | MHz Crystal |
Frequency: | 24.576MHz |
Frequency Stability: | ±100ppm |
Frequency Tolerance: | ±30ppm |
Load Capacitance: | 20pF |
ESR (Equivalent Series Resistance): | 30 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 have been widely used for various applications in modern electronics. The ECS-245.7-20-4XDN is a type of crystal that has been in popular use for many years and is a common choice among industrial, automotive and avionic applications. It is a 20MHz, 45°C quartz crystal with a 4 pF load capacitance and an accuracy of ±8PPM.
This crystal is designed around two worked components, an oscillator and a quartz crystal. The oscillator is a circuit that uses the crystal and its load capacitance. It acts as an oscillation source that produces an output signal with a specific frequency, corresponding to the crystal’s loading value. This frequency is also determined by the crystal’s cut and temperature stability.
The quartz crystal is a crystal lattice consisting of atoms of silicon and oxygen. When oscillated by the oscillator in the ECS-245.7-20-4XDN, the atoms of the crystal form a resonator that produces the desired frequency. The circuit of the quartz crystal can be arranged in two ways, an open-loop or a closed-loop. In the ECS-245.7-20-4XDN, an open-loop construction is used, which is more cost effective than a closed-loop design.
In order to use the frequency produced by the ECS-245.7-20-4XDN, a load capacitance is required, which is connected to the crystal’s output lead. This load capacitance is used to control the oscillation frequency of the crystal. The accuracy of the crystal’s frequency is determined by the accuracy of the load capacitance, which is specified as ±8PPM in this application field. This accuracy level satisfies the requirements for most applications.
The ECS-245.7-20-4XDN can be used in a variety of electronic devices such as frequency counters, clocks, and GPS receivers, among many others. Its frequency stability makes it suitable for high precision timekeeping applications and it’s low cost and small size make it a popular choice for most applications. It is also very resistant to shock, vibration, and temperature changes, and has a long shelf life.
The ECS-245.7-20-4XDN is a versatile crystal, making it a good choice for a wide range of demanding applications. Its accuracy and frequency stability make it a reliable choice, while its small size and low cost makes it an attractive option for many different applications. For these reasons, the ECS-245.7-20-4XDN is a popular choice for many industrial, automotive and avionic applications.
The specific data is subject to PDF, and the above content is for reference
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