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-40-20-5PXDN-TR CRYSTAL 4.0000MHZ 20PF SMD ECS Inc.	26,101 In Stock	1 : ¥5.01000 Cut Tape (CT) 1,000 : ¥1.77512 Tape & Reel (TR)	CSM-7X-DN	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	MHz Crystal	4 MHz	±100ppm	±30ppm	20pF	150 Ohms	Fundamental	-40°C ~ 85°C	-	Surface Mount	HC-49/US	0.449" L x 0.189" W (11.40mm x 4.80mm)	0.169" (4.30mm)
AS-3.579545-18 CRYSTAL 3.579545MHZ 18PF TH Raltron Electronics	5,976 In Stock	1 : ¥1.23000 Bulk	AS	Bulk	Active	MHz Crystal	3.579545 MHz	±50ppm	±30ppm	18pF	180 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	0.447" L x 0.197" W (11.35mm x 5.00mm)	0.138" (3.50mm)
AS-16.000-18 CRYSTAL 16.0000MHZ 18PF TH Raltron Electronics	1,833 In Stock	1 : ¥1.23000 Bulk	AS	Bulk	Active	MHz Crystal	16 MHz	±50ppm	±30ppm	18pF	40 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	0.447" L x 0.197" W (11.35mm x 5.00mm)	0.138" (3.50mm)
ATS240C-E CRYSTAL 24.0000MHZ 12PF TH CTS-Frequency Controls	33,031 In Stock	1 : ¥1.48000 Bulk	ATS	Bulk	Active	MHz Crystal	24 MHz	±50ppm	±30ppm	12pF	30 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.427" L x 0.177" W (10.85mm x 4.50mm)	0.145" (3.68mm)
AS-20.000-20 CRYSTAL 20.0000MHZ 20PF TH Raltron Electronics	4,734 In Stock	1 : ¥1.48000 Bulk	AS	Bulk	Active	MHz Crystal	20 MHz	±50ppm	±30ppm	20pF	40 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	0.447" L x 0.197" W (11.35mm x 5.00mm)	0.138" (3.50mm)
ATS080B-E CRYSTAL 8.0000MHZ 18PF TH CTS-Frequency Controls	68,470 In Stock	1 : ¥2.22000 Bulk	ATS	Bulk	Active	MHz Crystal	8 MHz	±50ppm	±30ppm	18pF	60 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.427" L x 0.177" W (10.85mm x 4.50mm)	0.145" (3.68mm)
ATS100B-E CRYSTAL 10.0000MHZ 18PF TH CTS-Frequency Controls	10,249 In Stock	1 : ¥2.22000 Bulk	ATS	Bulk	Active	MHz Crystal	10 MHz	±50ppm	±30ppm	18pF	60 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.427" L x 0.177" W (10.85mm x 4.50mm)	0.145" (3.68mm)
ATS08A-E CRYSTAL 8.0000MHZ 20PF TH CTS-Frequency Controls	26,120 In Stock	1 : ¥2.30000 Bulk	ATS	Bulk	Active	MHz Crystal	8 MHz	±50ppm	±30ppm	20pF	60 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.427" L x 0.177" W (10.85mm x 4.50mm)	0.145" (3.68mm)
ABL-20.000MHZ-B2 CRYSTAL 20.0000MHZ 18PF TH Abracon LLC	1,444 In Stock	1 : ¥2.79000 Bulk	ABL	Bulk	Active	MHz Crystal	20 MHz	±50ppm	±20ppm	18pF	40 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.138" (3.50mm)
FC4STCBMF4.0 CRYSTAL 4.0000MHZ 20PF TH Fox Electronics	2,020 In Stock	1 : ¥3.12000 Bulk	HC49SLF	Bulk	Active	MHz Crystal	4 MHz	±50ppm	±30ppm	20pF	150 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.142" (3.60mm)
ECS-160-20-46X CRYSTAL 16.0000MHZ 20PF TH ECS Inc.	1,334 In Stock	1 : ¥3.20000 Bulk	HC-46X	Bulk	Active	MHz Crystal	16 MHz	±50ppm	±30ppm	20pF	50 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-46/X	0.268" L x 0.157" W (6.80mm x 4.00mm)	0.071" (1.80mm)
ATS040 CRYSTAL 4.0000MHZ 20PF TH CTS-Frequency Controls	3,675 In Stock	1 : ¥3.69000 Bulk	ATS	Bulk	Active	MHz Crystal	4 MHz	±50ppm	±30ppm	20pF	120 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	0.427" L x 0.177" W (10.85mm x 4.50mm)	0.145" (3.68mm)
ECS-160-18-4X-CKM CRYSTAL 16.0000MHZ 18PF TH ECS Inc.	5,773 In Stock	1 : ¥3.86000 Bulk	HC-49USX	Bulk	Active	MHz Crystal	16 MHz	±10ppm	±10ppm	18pF	40 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-200-20-4X CRYSTAL 20.0000MHZ 20PF TH ECS Inc.	3,390 In Stock	1 : ¥5.50000 Bulk	HC-49USX	Bulk	Active	MHz Crystal	20 MHz	±50ppm	±30ppm	20pF	30 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/US	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
AS-16.000-20-EXT CRYSTAL 16.0000MHZ 20PF TH Raltron Electronics	0 In Stock Check Lead Time	1 : ¥1.23000 Bulk	AS	Bulk	Active	MHz Crystal	16 MHz	±50ppm	±30ppm	20pF	40 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	HC-49/US	0.447" L x 0.197" W (11.35mm x 5.00mm)	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.