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Crystals

Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Packaging	Series	ProductStatus	Type	Frequency	FrequencyStability	FrequencyTolerance	LoadCapacitance	ESR(EquivalentSeriesResistance)	OperatingMode	OperatingTemperature	Ratings	MountingType	Size/Dimension
ECS-92.1-20-1X CRYSTAL 9.2160MHZ 20PF TH ECS Inc.	462	-	RFQ	Datasheet	HC-49/U	Bulk	HC-49UX	Active	MHz Crystal	9.216 MHz	±50ppm	±30ppm	20pF	35 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-65-20-4X CRYSTAL 6.5000MHZ 20PF TH ECS Inc.	462	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USX	Active	MHz Crystal	6.5 MHz	±50ppm	±30ppm	20pF	100 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-73-S-1X CRYSTAL 7.3728MHZ SERIES TH ECS Inc.	410	-	RFQ	Datasheet	HC-49/U	Bulk	HC-49UX	Active	MHz Crystal	7.3728 MHz	±50ppm	±30ppm	Series	40 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-50-S-1X CRYSTAL 5.0000MHZ SERIES TH ECS Inc.	401	-	RFQ	Datasheet	HC-49/U	Bulk	HC-49UX	Active	MHz Crystal	5 MHz	±50ppm	±30ppm	Series	50 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-200-20-4DN CRYSTAL 20.0000MHZ 20PF TH ECS Inc.	410	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49US-DN	Not For New Designs	MHz Crystal	20 MHz	±100ppm	±30ppm	20pF	30 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-20-S-1X CRYSTAL 2.0000MHZ SERIES TH ECS Inc.	335	-	RFQ	Datasheet	HC-49/U	Bulk	HC-49UX	Active	MHz Crystal	2 MHz	±50ppm	±30ppm	Series	500 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-270-20-4VX CRYSTAL 27.0000MHZ 20PF TH ECS Inc.	185	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USSX	Active	MHz Crystal	27 MHz	±50ppm	±30ppm	20pF	100 Ohms	3rd Overtone	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.197 W (11.35mm x 5.00mm)
ECS-250-20-4VX CRYSTAL 25.0000MHZ 20PF TH ECS Inc.	181	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USSX	Active	MHz Crystal	25 MHz	±50ppm	±30ppm	20pF	40 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.197 W (11.35mm x 5.00mm)
ECS-160-20-4VX CRYSTAL 16.0000MHZ 20PF TH ECS Inc.	163	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USSX	Active	MHz Crystal	16 MHz	±50ppm	±30ppm	20pF	50 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.197 W (11.35mm x 5.00mm)
ECS-30-S-1 CRYSTAL 3.0000MHZ SERIES TH ECS Inc.	672	-	RFQ	Datasheet	HC-49/U	Bulk	HC-49U	Not For New Designs	MHz Crystal	3 MHz	±50ppm	±30ppm	Series	200 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-80-S-4X CRYSTAL 8.0000MHZ SERIES TH ECS Inc.	400	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USX	Active	MHz Crystal	8 MHz	±50ppm	±30ppm	Series	80 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-196.6-20-4X CRYSTAL 19.6608MHZ 20PF TH ECS Inc.	388	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USX	Active	MHz Crystal	19.6608 MHz	±50ppm	±30ppm	20pF	40 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-122.8-S-4X CRYSTAL 12.2880MHZ SERIES TH ECS Inc.	380	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USX	Active	MHz Crystal	12.288 MHz	±50ppm	±30ppm	Series	60 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-110-S-4X CRYSTAL 11.0000MHZ SERIES TH ECS Inc.	200	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USX	Active	MHz Crystal	11 MHz	±50ppm	±30ppm	Series	60 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-184-20-4X CRYSTAL 18.4320MHZ 20PF TH ECS Inc.	180	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USX	Active	MHz Crystal	18.432 MHz	±50ppm	±30ppm	20pF	40 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-44-20-4X CRYSTAL 4.433618MHZ 20PF TH ECS Inc.	166	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USX	Active	MHz Crystal	4.433618 MHz	±50ppm	±30ppm	20pF	150 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-40-S-1 CRYSTAL 4.0000MHZ SERIES TH ECS Inc.	1,000	-	RFQ	Datasheet	HC-49/U	Bulk	HC-49U	Not For New Designs	MHz Crystal	4 MHz	±50ppm	±30ppm	Series	100 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-110.5-20-4 CRYSTAL 11.0592MHZ 20PF TH ECS Inc.	835	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49US	Not For New Designs	MHz Crystal	11.0592 MHz	±50ppm	±30ppm	20pF	60 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-200-20-4XDN CRYSTAL 20.0000MHZ 20PF TH ECS Inc.	441	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49USX-DN	Active	MHz Crystal	20 MHz	±100ppm	±30ppm	20pF	30 Ohms	Fundamental	-40°C ~ 85°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)
ECS-49-20-4 CRYSTAL 4.9152MHZ 20PF TH ECS Inc.	548	-	RFQ	Datasheet	HC-49/US	Bulk	HC-49US	Not For New Designs	MHz Crystal	4.9152 MHz	±50ppm	±30ppm	20pF	150 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	0.447 L x 0.183 W (11.35mm x 4.65mm)