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Crystals

Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Package/Case	Packaging	Product Status	Type	Frequency	Frequency Stability	Frequency Tolerance	Load Capacitance	ESR (Equivalent Series Resistance)	Operating Mode	Operating Temperature	Ratings	Mounting Type	Supplier Device Package	Size / Dimension	Height - Seated (Max)
HC-49/U-S48000000ABJB CRYSTAL 48.0000MHZ 18PF TH Citizen Finedevice Co Ltd	3,625	0.55	RFQ	Datasheet	HC49US	HC-49/US	Bulk	Active	MHz Crystal	48 MHz	±50ppm	±30ppm	18pF	100 Ohms	3rd Overtone	-10°C ~ 60°C	-	Through Hole	-	0.453" L x 0.183" W (11.50mm x 4.66mm)	0.138" (3.50mm)
ECS-400-15-33B-CTN-TR CRYSTAL 40.0000MHZ 15PF SMD ECS Inc.	1,811	0.56	RFQ	Datasheet	ECS-33B	4-SMD, No Lead	Tape & Reel (TR)	Active	MHz Crystal	40 MHz	±20ppm	±10ppm	15pF	40 Ohms	Fundamental	-40°C ~ 85°C	-	Surface Mount	-	0.126" L x 0.098" W (3.20mm x 2.50mm)	0.031" (0.80mm)
ECS-184-20-5PXDN-TR CRYSTAL 18.4320MHZ 20PF SMD ECS Inc.	1,807	0.61	RFQ	Datasheet	CSM-7X-DN	HC-49/US	Tape & Reel (TR)	Active	MHz Crystal	18.432 MHz	±100ppm	±30ppm	20pF	40 Ohms	Fundamental	-40°C ~ 85°C	-	Surface Mount	-	0.449" L x 0.189" W (11.40mm x 4.80mm)	0.169" (4.30mm)
ECS-60-32-5PXDN-TR CRYSTAL 6.0000MHZ 32PF SMD ECS Inc.	1,537	0.61	RFQ	Datasheet	CSM-7X-DN	HC-49/US	Tape & Reel (TR)	Active	MHz Crystal	6 MHz	±100ppm	±30ppm	32pF	70 Ohms	Fundamental	-40°C ~ 85°C	-	Surface Mount	-	0.449" L x 0.189" W (11.40mm x 4.80mm)	0.169" (4.30mm)
ECS-250-18-36-AGM-TR CRYSTAL 25.0000MHZ 18PF SMD ECS Inc.	1,520	0.62	RFQ	Datasheet	ECX-2236	4-SMD, No Lead	Tape & Reel (TR)	Active	MHz Crystal	25 MHz	±30ppm	±25ppm	18pF	60 Ohms	Fundamental	-20°C ~ 70°C	-	Surface Mount	-	0.098" L x 0.079" W (2.50mm x 2.00mm)	0.024" (0.60mm)
ECS-320-10-33B-CKM-TR CRYSTAL 32.0000MHZ 10PF SMD ECS Inc.	1,321	0.61	RFQ	Datasheet	ECS-33B	4-SMD, No Lead	Tape & Reel (TR)	Active	MHz Crystal	32 MHz	±10ppm	±10ppm	10pF	40 Ohms	Fundamental	-20°C ~ 70°C	-	Surface Mount	-	0.126" L x 0.098" W (3.20mm x 2.50mm)	0.031" (0.80mm)
ECS-300-10-33B-CKM-TR CRYSTAL 30.0000MHZ 10PF SMD ECS Inc.	1,072	0.61	RFQ	Datasheet	ECS-33B	4-SMD, No Lead	Tape & Reel (TR)	Active	MHz Crystal	30 MHz	±10ppm	±10ppm	10pF	40 Ohms	Fundamental	-20°C ~ 70°C	-	Surface Mount	-	0.126" L x 0.098" W (3.20mm x 2.50mm)	0.031" (0.80mm)
ECS-060-20-4X-DU CRYSTAL 6.0000MHZ 20PF TH ECS Inc.	1,000	0.61	RFQ	Datasheet	HC-49USX	HC-49/US	Bulk	Active	MHz Crystal	6 MHz	±100ppm	±30ppm	20pF	100 Ohms	Fundamental	-55°C ~ 125°C	-	Through Hole	-	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-180-20-1X CRYSTAL 18.0000MHZ 20PF TH ECS Inc.	999	0.61	RFQ	Datasheet	HC-49UX	HC-49/U	Bulk	Active	MHz Crystal	18 MHz	±50ppm	±30ppm	20pF	20 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	-	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-400-10-33B-CKM-TR CRYSTAL 40.0000MHZ 10PF SMD ECS Inc.	954	0.61	RFQ	Datasheet	ECS-33B	4-SMD, No Lead	Tape & Reel (TR)	Active	MHz Crystal	40 MHz	±10ppm	±10ppm	10pF	40 Ohms	Fundamental	-20°C ~ 70°C	-	Surface Mount	-	0.126" L x 0.098" W (3.20mm x 2.50mm)	0.031" (0.80mm)
ECS-44-20-1X CRYSTAL 4.433618MHZ 20PF TH ECS Inc.	872	0.70	RFQ	Datasheet	HC-49UX	HC-49/U	Bulk	Active	MHz Crystal	4.433618 MHz	±50ppm	±30ppm	20pF	70 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	-	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-80-32-1X CRYSTAL 8.0000MHZ 32PF TH ECS Inc.	762	0.70	RFQ	Datasheet	HC-49UX	HC-49/U	Bulk	Active	MHz Crystal	8 MHz	±50ppm	±30ppm	32pF	35 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	-	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-540-8-33B-CWN-TR CRYSTAL 54.000 MHZ 8 PF SMD ECS Inc.	762	0.00	RFQ	Datasheet	ECS-33B	4-SMD, No Lead	Tape & Reel (TR)	Active	MHz Crystal	54 MHz	±15ppm	±10ppm	8pF	40 Ohms	Fundamental	-40°C ~ 85°C	-	Surface Mount	-	0.126" L x 0.098" W (3.20mm x 2.50mm)	0.031" (0.80mm)
ECS-040-20-4X-DU CRYSTAL 4.0000MHZ 20PF TH ECS Inc.	476	0.61	RFQ	Datasheet	HC-49USX	HC-49/US	Bulk	Active	MHz Crystal	4 MHz	±100ppm	±30ppm	20pF	150 Ohms	Fundamental	-55°C ~ 125°C	-	Through Hole	-	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-100-20-4X-DU CRYSTAL 10.0000MHZ 20PF TH ECS Inc.	454	0.61	RFQ	Datasheet	HC-49USX	HC-49/US	Bulk	Active	MHz Crystal	10 MHz	±100ppm	±30ppm	20pF	60 Ohms	Fundamental	-55°C ~ 125°C	-	Through Hole	-	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.138" (3.50mm)
ECS-110-S-1X CRYSTAL 11.0000MHZ SERIES TH ECS Inc.	440	0.70	RFQ	Datasheet	HC-49UX	HC-49/U	Bulk	Active	MHz Crystal	11 MHz	±50ppm	±30ppm	Series	30 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	-	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-44-20-1 CRYSTAL 4.433618MHZ 20PF TH ECS Inc.	423	0.71	RFQ	Datasheet	HC-49U	HC-49/U	Bulk	Not For New Designs	MHz Crystal	4.433618 MHz	±50ppm	±30ppm	20pF	70 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	-	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-50-S-1X CRYSTAL 5.0000MHZ SERIES TH ECS Inc.	256	0.70	RFQ	Datasheet	HC-49UX	HC-49/U	Bulk	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)	0.530" (13.46mm)
ECS-60-S-1 CRYSTAL 6.0000MHZ SERIES TH ECS Inc.	220	0.71	RFQ	Datasheet	HC-49U	HC-49/U	Bulk	Not For New Designs	MHz Crystal	6 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)	0.530" (13.46mm)
ECS-147.4-20-1 CRYSTAL 14.7456MHZ 20PF TH ECS Inc.	102	0.71	RFQ	Datasheet	HC-49U	HC-49/U	Bulk	Not For New Designs	MHz Crystal	14.7456 MHz	±50ppm	±30ppm	20pF	25 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	-	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)

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