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Crystal Resonator

Crystal Resonator

Crystal Resonator

Quartz crystal, or just known as crystal, is an important piezoelectric material. Its constituent atoms or molecules are packed in a regularly ordered, repeating pattern. Externally, this is reflected by the symmetry of the shape. Under the function of an electric field, the crystal will generate stress internally and be distorted, and then produce mechanical vibration to obtain a specific frequency. The crystal resonator is made using this inverse piezoelectric effect. As quartz has natural high Q factor, the crystal resonator can maintain high precision and frequency stability within the whole temperature range and voltage range.

MODEL NO: 49S-SMD-3.579545MHz~48.000MHz

Specifications of Crystal Resonator

Frequency Range	3.579545MHz~48.000MHz
Load Capacitance	8pf~32pf
Frequency Tolerance at 25 ℃	± 50PPM MAX( ± 5ppm, ± 10ppm, ± 30ppm Available)
Frequency Stability	± 50PPM MAX( ± 5ppm, ± 10ppm, ± 30ppm Available)
Operating Temperature Range	–10 TO +60 ℃ Standard,-40 ℃ ~+85 ℃ Extended
Storage Temperature Range	–40 TO +85 ℃
Equivalence Series Resistance (ESR)	See ESR table
Drive Level	0.01uw~100 uw
Shunt Capacitance	4PF Max
Aging	–/+3PPM per year

ESR Table for Crystal Resonator

Overtone	Frequency Range (MHz)	Equivalent Series Resistance (Ω)
Fundamental	3.5 ~ 4.0	150 max
	4.0 ~ 8.0	120 max
	8.0 ~ 12.0	60 max
	12.0 ~ 27.0	40 max
3rd overtone	26.0 ~ 35.0	140 max
3rd overtone	35.0 ~ 50.0	100 max

We are a specialized manufacturer for crystal resonator in China. At Shoulder we offer various types of products such as TCXO, RF module, SAW resonator, and Pico repeater.

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