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-40-20-4XDN CRYSTAL 4.0000MHZ 20PF TH ECS Inc.	9,781 In Stock 12,200 Factory	1 : $0.68000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	4 MHz	±100ppm	±30ppm	20pF	150 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-35-17-4XDN CRYSTAL 3.579545MHZ 17PF TH ECS Inc.	6,690 In Stock	1 : $0.70000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	3.579545 MHz	±100ppm	±30ppm	17pF	200 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-160-20-4XDN CRYSTAL 16.0000MHZ 20PF TH ECS Inc.	3,276 In Stock 10,200 Factory	1 : $0.70000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	16 MHz	±100ppm	±30ppm	20pF	40 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-80-18-4XDN CRYSTAL 8.0000MHZ 18PF TH ECS Inc.	1,513 In Stock	1 : $0.71000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	8 MHz	±100ppm	±30ppm	18pF	80 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-184-20-4XDN CRYSTAL 18.4320MHZ 20PF TH ECS Inc.	12,270 In Stock 11,200 Factory	1 : $0.70000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	18.432 MHz	±100ppm	±30ppm	20pF	40 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-73-20-4XDN CRYSTAL 7.3728MHZ 20PF TH ECS Inc.	3,570 In Stock 8,400 Factory	1 : $0.71000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	7.3728 MHz	±100ppm	±30ppm	20pF	80 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-200-20-4XDN CRYSTAL 20.0000MHZ 20PF TH ECS Inc.	1,167 In Stock	1 : $0.71000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	20 MHz	±100ppm	±30ppm	20pF	30 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-36-20-4XDN CRYSTAL 3.6864MHZ 20PF TH ECS Inc.	830 In Stock	1 : $0.71000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	3.6864 MHz	±100ppm	±30ppm	20pF	200 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-120-20-4XDN CRYSTAL 12.0000MHZ 20PF TH ECS Inc.	392 In Stock 2,400 Factory	1 : $0.71000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	12 MHz	±100ppm	±30ppm	20pF	60 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-60-32-4XDN CRYSTAL 6.0000MHZ 32PF TH ECS Inc.	290 In Stock 2,600 Factory	1 : $0.71000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	6 MHz	±100ppm	±30ppm	32pF	100 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-143-20-4XDN CRYSTAL 14.31818MHZ 20PF TH ECS Inc.	214 In Stock 1,200 Factory	1 : $0.71000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	14.31818 MHz	±100ppm	±30ppm	20pF	40 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-240-20-4XDN CRYSTAL 24.0000MHZ 20PF TH ECS Inc.	0 In Stock 1,600 Factory Check Lead Time	1 : $0.71000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	24 MHz	±100ppm	±30ppm	20pF	30 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-250-20-4X-F-DN CRYSTAL 25.0000MHZ 20PF TH ECS Inc.	0 In Stock Check Lead Time	1 : $0.71000 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	25 MHz	±100ppm	±30ppm	20pF	30 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-245.7-20-4XDN CRYSTAL 24.5760MHZ 20PF TH ECS Inc.	0 In Stock Check Lead Time	1,000 : $0.33936 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	24.576 MHz	±100ppm	±30ppm	20pF	30 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-110.5-20-4XDN CRYSTAL 11.0592MHZ 20PF TH ECS Inc.	0 In Stock Check Lead Time	1,000 : $0.35552 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	11.0592 MHz	±100ppm	±30ppm	20pF	60 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-196.6-20-4XDN CRYSTAL 19.6608MHZ 20PF TH ECS Inc.	0 In Stock Check Lead Time	1,000 : $0.40905 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	19.6608 MHz	±100ppm	±30ppm	20pF	40 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-160-20-4X-B-DN CRYSTAL 16.0000MHZ 20PF TH ECS Inc.	0 In Stock Check Lead Time	1,000 : $0.42420 Bulk	HC-49USX-DN	Bulk	Active	MHz Crystal	16 MHz	±100ppm	±30ppm	20pF	40 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	-	0.138" (3.50mm)

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Crystals

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.