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)
QT49-12.000MEEJ-B HC49 10PPM @25C 10PPM (-20 TO 7 QST	192 In Stock	1 : $0.65000 Bulk	QT49	Bulk	Active	MHz Crystal	12 MHz	±10ppm	±10ppm	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)	0.145" (3.68mm)
QT49-8.000MEEJ-B HC49 10PPM @25C 10PPM (-20 TO 7 QST	4,895 In Stock	1 : $0.65000 Bulk	QT49	Bulk	Active	MHz Crystal	8 MHz	±10ppm	±10ppm	18pF	80 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-16.000MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	1,200 In Stock	1 : $0.59000 Bulk	QT49	Bulk	Active	MHz Crystal	16 MHz	±30ppm	±30ppm	18pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-8.000MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	987 In Stock	1 : $0.59000 Bulk	QT49	Bulk	Active	MHz Crystal	8 MHz	±30ppm	±30ppm	18pF	80 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-27.000MAAJ-B HC49 XTAL 30ppm 30ppm 18pF QST	1,952 In Stock	1 : $0.55000 Bulk	QT49	Bulk	Active	MHz Crystal	27 MHz	±30ppm	±30ppm	18pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49S	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-10.000MEEJ-B HC49 10PPM @25C 10PPM (-20 TO 7 QST	5,727 In Stock	1 : $0.61000 Bulk	QT49	Bulk	Active	MHz Crystal	10 MHz	±10ppm	±10ppm	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)	0.145" (3.68mm)
QT49-20.000MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	1,652 In Stock	1 : $0.59000 Bulk	QT49	Bulk	Active	MHz Crystal	20 MHz	±30ppm	±30ppm	18pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-4.000MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	701 In Stock	1 : $0.59000 Bulk	QT49	Bulk	Active	MHz Crystal	4 MHz	±30ppm	±30ppm	18pF	150 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-6.000MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	1,714 In Stock	1 : $0.59000 Bulk	QT49	Bulk	Active	MHz Crystal	6 MHz	±30ppm	±30ppm	18pF	80 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-16.000MEEJ-B HC49 10PPM @25C 10PPM (-20 TO 7 QST	1,844 In Stock	1 : $0.65000 Bulk	QT49	Bulk	Active	MHz Crystal	16 MHz	±10ppm	±10ppm	18pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-25.000MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	960 In Stock	1 : $0.55000 Bulk	QT49	Bulk	Active	MHz Crystal	25 MHz	±30ppm	±30ppm	18pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-14.7456MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	450 In Stock	1 : $0.55000 Bulk	QT49	Bulk	Active	MHz Crystal	14.7456 MHz	±30ppm	±30ppm	18pF	-	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-24.000MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	980 In Stock	1 : $0.55000 Bulk	QT49	Bulk	Active	MHz Crystal	24 MHz	±30ppm	±30ppm	18pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-6.000MBBK-B HC49 50/50PPM @25C-20~70C 20PF QST	100 In Stock	1 : $0.57000 Bulk	QT49	Bulk	Active	MHz Crystal	6 MHz	±50ppm	±50ppm	20pF	80 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	HC-49S	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-10.000MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	999 In Stock	1 : $0.59000 Bulk	QT49	Bulk	Active	MHz Crystal	10 MHz	±30ppm	±30ppm	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)	0.145" (3.68mm)
QT49-3.579545MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	932 In Stock	1 : $0.59000 Bulk	QT49	Bulk	Active	MHz Crystal	3.579545 MHz	±30ppm	±30ppm	18pF	200 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-18.432MAAJ-B HC49 30PPM @25C 30PPM (-20 TO 7 QST	999 In Stock	1 : $0.59000 Bulk	QT49	Bulk	Active	MHz Crystal	18.432 MHz	±30ppm	±30ppm	18pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-48.000MBBK-B HC49 50/50PPM @25C-20~70C 20PF QST	1,373 In Stock	1 : $0.54000 Bulk	QT49	Bulk	Active	MHz Crystal	48 MHz	±50ppm	±50ppm	20pF	80 Ohms	3rd Overtone	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-4.9152MBBK-B HC49 50/50PPM @25C-20~70C 20PF QST	468 In Stock	1 : $0.57000 Bulk	QT49	Bulk	Active	MHz Crystal	4.9152 MHz	±50ppm	±50ppm	20pF	150 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-24.576MBBK-B HC49 50/50PPM @25C-20~70C 20PF QST	843 In Stock	1 : $0.54000 Bulk	QT49	Bulk	Active	MHz Crystal	24.576 MHz	±50ppm	±50ppm	20pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-54.000MBBK-B HC49 50/50PPM @25C-20~70C 20PF QST	647 In Stock	1 : $0.54000 Bulk	QT49	Bulk	Active	MHz Crystal	54 MHz	±50ppm	±50ppm	20pF	60 Ohms	3rd Overtone	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-3.6864MBBK-B HC49 50/50PPM @25C-20~70C 20PF QST	80 In Stock	1 : $0.57000 Bulk	QT49	Bulk	Active	MHz Crystal	3.6864 MHz	±50ppm	±50ppm	20pF	150 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-18.432MBBK-B HC49 50/50PPM @25C-20~70C 20PF QST	1,900 In Stock	1 : $0.57000 Bulk	QT49	Bulk	Active	MHz Crystal	18.432 MHz	±50ppm	±50ppm	20pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-27.000MBBK-B HC49 50/50PPM @25C-20~70C 20PF QST	1,505 In Stock	1 : $0.54000 Bulk	QT49	Bulk	Active	MHz Crystal	27 MHz	±50ppm	±50ppm	20pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)
QT49-11.2896MBBK-B HC49 50/50PPM @25C-20~70C 20PF QST	744 In Stock	1 : $0.57000 Bulk	QT49	Bulk	Active	MHz Crystal	11.2896 MHz	±50ppm	±50ppm	20pF	40 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/US	-	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.145" (3.68mm)

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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.

Crystals

Crystals

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