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	Size / Dimension	Height - Seated (Max)
	ECS-.327-6-16R-TR CRYSTAL 32.7680KHZ 6PF SMD ECS Inc.	51,623 In Stock	1 : £1.17000 Cut Tape (CT) 5,000 : £0.67852 Tape & Reel (TR)	ECX-16R	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	kHz Crystal (Tuning Fork)	32.768 kHz	-	±20ppm	6pF	60 kOhms	Fundamental	-40°C ~ 85°C	-	Surface Mount	2-SMD, No Lead	0.063" L x 0.039" W (1.60mm x 1.00mm)	0.020" (0.50mm)
	ECS-.327-4-16R-TR CRYSTAL 32.768 KHZ 4PF SMD ECS Inc.	4,767 In Stock	1 : £1.17000 Cut Tape (CT) 5,000 : £0.66794 Tape & Reel (TR)	ECX-16R	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	kHz Crystal (Tuning Fork)	32.768 kHz	-	±20ppm	4pF	60 kOhms	Fundamental	-40°C ~ 85°C	-	Surface Mount	2-SMD, No Lead	0.063" L x 0.039" W (1.60mm x 1.00mm)	0.020" (0.50mm)

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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.