Crystals

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	Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Frequency	Frequency Stability	Frequency Tolerance	Load Capacitance	ESR (Equivalent Series Resistance)	Operating Mode	Operating Temperature	Ratings	Mounting Type	Package / Case	Supplier Device Package	Size / Dimension	Height - Seated (Max)
	STDCRA2-20M CRYSTAL 20.0000MHZ 8PF SMD NDK (NIHON DEMPA KOGYO CO., LTD)	20,690 In Stock	1 : $1.33000 Cut Tape (CT) 3,000 : $0.81902 Tape & Reel (TR)	NX3225GB	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	MHz Crystal	20 MHz	±150ppm	±50ppm	8pF	100 Ohms	Fundamental	-40°C ~ 150°C	AEC-Q200	Surface Mount	2-SMD, No Lead	2-SMD (3.2x2.5)	0.126" L x 0.098" W (3.20mm x 2.50mm)	0.035" (0.90mm)
	STDCRA2-16M CRYSTAL 16.0000MHZ 8PF SMD NDK (NIHON DEMPA KOGYO CO., LTD)	1,411 In Stock	1 : $1.09000 Cut Tape (CT) 3,000 : $0.67396 Tape & Reel (TR)	NX3225GB	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	MHz Crystal	16 MHz	±150ppm	±50ppm	8pF	120 Ohms	Fundamental	-40°C ~ 150°C	AEC-Q200	Surface Mount	2-SMD, No Lead	2-SMD (3.2x2.5)	0.126" L x 0.098" W (3.20mm x 2.50mm)	0.035" (0.90mm)

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Crystal products are passive components most commonly used as time or frequency references in electronic systems. Consisting of a piezoelectric crystal that mechanically vibrates at a known frequency, their use requires provision of an external oscillator circuit with carefully designed capacitance, drive voltage, and series resistance characteristics, to generate a signal at the indicated crystal frequency that operates successfully over the operating temperature range, without damaging the crystal element. Active devices which integrate this additional necessary circuitry are considered oscillators and are catalogued separately.