Crystals – Mouser Peru

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HC-49USX Low-Profile Quartz Crystals

ECS HC-49USX Low-Profile Quartz Crystals are cost-effective, lead-free, and RoHS-compliant crystals with a maximum height of 3.5mm. The HC-49USX thru-hole mount, resistance weld-type crystals have an operating temperature range of -10°C to +70°C. The HC-49USX-DN series features an industrial temperature range of -40°C to +85°C. ECS HC-49USX Low-Profile Quartz Crystals feature a frequency range between 3.57MHz and 70MHz.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	Frequency	Load Capacitance	Tolerance	Frequency Stability	Package / Case	Minimum Operating Temperature	Maximum Operating Temperature	Termination Style	ESR	Drive Level	Length	Width	Height	Series	Packaging
Crystals CRYSTAL 16MHZ 18pF 10ppm 10ppm -20 C 70 C ECS-160-18-4X-CKM ECS 1: S/1.36 9,643In Stock	Mfr. Part # ECS-160-18-4X-CKM Mouser Part # 520-ECS160-18-4X-CKM	ECS	Crystals CRYSTAL 16MHZ 18pF 10ppm 10ppm -20 C 70 C Learn More about ECS hc 49usx quartz crystals	Datasheet	9,643In Stock	S/1.36 S/1.12 S/1.04 S/1.02 View S/0.985 S/0.942 S/0.868 S/0.852 S/0.806	Min.: 1 Mult.: 1	16 MHz	18 pF	10 PPM	10 PPM	HC-49/USX	- 20 C	+ 70 C	Radial	40 Ohms	500 uW	11.35 mm	5 mm	3.5 mm	HC-49USX	Bulk
Crystals HC-49USX, 20MHz, 18pF, HC-49USX, +/-30ppm, +/-50ppm, -10C +70 C, RoHS ECS-200-18-4X ECS 1: S/2.30 5,698In Stock	Mfr. Part # ECS-200-18-4X Mouser Part # 520-ECS-200-18-4X	ECS	Crystals HC-49USX, 20MHz, 18pF, HC-49USX, +/-30ppm, +/-50ppm, -10C +70 C, RoHS Learn More about ECS hc 49usx quartz crystals	Datasheet	5,698In Stock	Cut Tape S/2.30 S/1.81 S/1.59 Reel S/1.59 S/1.49 View S/1.35 S/1.29 S/1.25 S/1.19 S/1.17	Min.: 1 Mult.: 1 : 200	20 MHz	18 pF	30 PPM	50 PPM	11.35 mm x 3.5 mm	- 10 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	5 mm	3.5 mm		Reel, Cut Tape
Crystals 12MHz 20pF HC-49US ECS-120-20-4X ECS 1: S/2.06 4,779In Stock	Mfr. Part # ECS-120-20-4X Mouser Part # 520-HCU1200-20X	ECS	Crystals 12MHz 20pF HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	4,779In Stock	S/2.06 S/1.63 S/1.47 S/1.42 View S/1.34 S/1.27 S/1.24	Min.: 1 Mult.: 1	12 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 7.3728MHz SERIES ECS-73-S-4X ECS 1: S/2.65 996In Stock	Mfr. Part # ECS-73-S-4X Mouser Part # 520-HCU737-SX	ECS	Crystals 7.3728MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	996In Stock	S/2.65 S/2.23 S/2.12 S/1.93 View S/1.82 S/1.73 S/1.49 S/1.40 S/1.33	Min.: 1 Mult.: 1	7.3728 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	80 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 24.00014MHz 18pF 50ppm -40C +85C ECS-240.001-18-4XEN ECS 1: S/2.34 188In Stock	Mfr. Part # ECS-240.001-18-4XEN Mouser Part # 520-240.001-18-4XEN	ECS	Crystals 24.00014MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	188In Stock	S/2.34 S/1.83 S/1.63 S/1.48 View S/1.33 S/1.23 S/1.19 S/1.17 S/1.15	Min.: 1 Mult.: 1	24 MHz	18 pF	30 PPM	50 PPM	HC-49/USX	- 40 C	+ 85 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 11.98135MHz Series -10C +70C ECS-119.8-S-4X ECS 1: S/2.37 208In Stock	Mfr. Part # ECS-119.8-S-4X Mouser Part # 520-HCU119.8-S-4X	ECS	Crystals 11.98135MHz Series -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	208In Stock	S/2.37 S/1.88 S/1.69 S/1.53 View S/1.49 S/1.40 S/1.34 S/1.31 S/1.28	Min.: 1 Mult.: 1	11.98135 MHz	20 pF	30 PPM	50 PPM	HC-49/USX	- 10 C	+ 70 C	Radial	60 Ohms	500 uW	11.35 mm	3.7 mm	3.5 mm	HCS-49USX	Bulk
Crystals 16.000312MHz 18pF ECS-160.003-18-4X ECS 1: S/2.37 1,034In Stock	Mfr. Part # ECS-160.003-18-4X Mouser Part # 520-HCU1601-18X	ECS	Crystals 16.000312MHz 18pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1,034In Stock	S/2.37 S/1.88 S/1.69 S/1.63 View S/1.56 S/1.35 S/1.29 S/1.26 S/1.24	Min.: 1 Mult.: 1	16.000312 MHz	18 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 15.36MHz 18pF 50ppm -40C +85C ECS-153.6-18-4X-EN ECS 1: S/2.34 773In Stock	Mfr. Part # ECS-153.6-18-4X-EN Mouser Part # 520-153.6-18-4XEN	ECS	Crystals 15.36MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	773In Stock	S/2.34 S/1.83 S/1.63 S/1.58 View S/1.40 S/1.32 S/1.27 S/1.25 S/1.23	Min.: 1 Mult.: 1	15.36 MHz	18 pF	30 PPM	50 PPM		- 40 C	+ 85 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 12.96MHz 18pF -10C +70C ECS-129.6-18-4X ECS 1: S/2.37 204In Stock	Mfr. Part # ECS-129.6-18-4X Mouser Part # 520-HCU129.6-18-4X	ECS	Crystals 12.96MHz 18pF -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	204In Stock	S/2.37 S/1.88 S/1.69 S/1.53 View S/1.42 S/1.36 S/1.29 S/1.26 S/1.23	Min.: 1 Mult.: 1	12.96 MHz	18 pF	30 PPM	50 PPM	HC-49/USX	- 10 C	+ 70 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 14.31818MHz SERIES ECS-143-S-4X ECS 1: S/2.37 198In Stock	Mfr. Part # ECS-143-S-4X Mouser Part # 520-HCU1431-SX	ECS	Crystals 14.31818MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	198In Stock	S/2.37 S/1.88 S/1.69 S/1.53 View S/1.41 S/1.35 S/1.29 S/1.26 S/1.23	Min.: 1 Mult.: 1	14.31818 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 18.432MHz SERIES ECS-184-S-4X ECS 1: S/2.65 624In Stock	Mfr. Part # ECS-184-S-4X Mouser Part # 520-HCU1843-SX	ECS	Crystals 18.432MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	624In Stock	S/2.65 S/2.23 S/2.12 S/1.93 View S/1.82 S/1.73 S/1.49 S/1.40 S/1.33	Min.: 1 Mult.: 1	18.432 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 9.8304MHz 20pF ECS-98.3-20-4X ECS 1: S/2.65 180In Stock	Mfr. Part # ECS-98.3-20-4X Mouser Part # 520-HCU983-20X	ECS	Crystals 9.8304MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	180In Stock	S/2.65 S/2.23 S/2.12 S/1.93 View S/1.65 S/1.59 S/1.49 S/1.40 S/1.33	Min.: 1 Mult.: 1	9.8304 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 3.579MHz 17pF EX/TEMP HC-49US ECS-35-17-4XDN ECS 1: S/2.41 3,008In Stock	Mfr. Part # ECS-35-17-4XDN Mouser Part # 520-HCU357-17DNX	ECS	Crystals 3.579MHz 17pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	3,008In Stock	S/2.41 S/1.92 S/1.69 S/1.64 View S/1.54 S/1.50 S/1.38 S/1.36	Min.: 1 Mult.: 1	3.579545 MHz	17 pF	30 PPM	100 PPM	HC-49/US	- 40 C	+ 85 C	Radial	200 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 12.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS ECS-120-20-4X-EM ECS 1: S/1.32 992In Stock	Mfr. Part # ECS-120-20-4X-EM Mouser Part # 520-ECS-120-20-4X-EM	ECS	Crystals 12.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS Learn More about ECS hc 49usx quartz crystals	Datasheet	992In Stock	S/1.32 S/1.16 S/1.05 S/1.01 View S/0.926 S/0.903 S/0.899 S/0.751 S/0.708	Min.: 1 Mult.: 1	12 MHz	20 pF	30 PPM	50 PPM	11.35 mm x 4.65 mm	- 20 C	+ 70 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm		Bulk
Crystals 3.579545MHZ 18pF 100 ppm -55C +125C ECS-035-18-4X-DU ECS 1: S/2.10 986In Stock	Mfr. Part # ECS-035-18-4X-DU Mouser Part # 520-035-18-4X-DU	ECS	Crystals 3.579545MHZ 18pF 100 ppm -55C +125C Learn More about ECS hc 49usx quartz crystals	Datasheet	986In Stock	S/2.10 S/1.83 S/1.66 S/1.53 View S/1.52 S/1.51 S/1.31 S/1.24 S/1.21	Min.: 1 Mult.: 1	3.579545 MHz	18 pF	30 PPM	100 PPM	HC-49/USX	- 55 C	+ 125 C	Radial	200 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 4.000MHZ 20pF 100 ppm -55C +125C ECS-040-20-4X-DU ECS 1: S/2.10 472In Stock	Mfr. Part # ECS-040-20-4X-DU Mouser Part # 520-040-20-4X-DU	ECS	Crystals 4.000MHZ 20pF 100 ppm -55C +125C Learn More about ECS hc 49usx quartz crystals	Datasheet	472In Stock	S/2.10 S/1.83 S/1.66 S/1.53 View S/1.46 S/1.42 S/1.38 S/1.28 S/1.26	Min.: 1 Mult.: 1	4 MHz	20 pF	30 PPM	100 PPM	HC-49/USX	- 55 C	+ 125 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 6.000MHZ 20pF 100 ppm -55C +125C ECS-060-20-4X-DU ECS 1: S/2.10 176In Stock	Mfr. Part # ECS-060-20-4X-DU Mouser Part # 520-060-20-4X-DU	ECS	Crystals 6.000MHZ 20pF 100 ppm -55C +125C Learn More about ECS hc 49usx quartz crystals	Datasheet	176In Stock	S/2.10 S/1.83 S/1.66 S/1.53 View S/1.46 S/1.31 S/1.24 S/1.21	Min.: 1 Mult.: 1	6 MHz	20 pF	30 PPM	100 PPM	HC-49/USX	- 55 C	+ 125 C	Radial	100 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 8.000MHZ 20pF 100 ppm -55C +125C ECS-080-20-4X-DU ECS 1: S/2.10 2,729In Stock	Mfr. Part # ECS-080-20-4X-DU Mouser Part # 520-080-20-4X-DU	ECS	Crystals 8.000MHZ 20pF 100 ppm -55C +125C Learn More about ECS hc 49usx quartz crystals	Datasheet	2,729In Stock	S/2.10 S/1.83 S/1.66 S/1.47 View S/1.41 S/1.35 S/1.32 S/1.30 S/1.28	Min.: 1 Mult.: 1	8 MHz	20 pF	30 PPM	100 PPM	HC-49/USX	- 55 C	+ 125 C	Radial	80 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 10.000MHZ 20pF 100 ppm -55C +125C ECS-100-20-4X-DU ECS 1: S/2.10 942In Stock	Mfr. Part # ECS-100-20-4X-DU Mouser Part # 520-100-20-4X-DU	ECS	Crystals 10.000MHZ 20pF 100 ppm -55C +125C Learn More about ECS hc 49usx quartz crystals	Datasheet	942In Stock	S/2.10 S/1.83 S/1.66 S/1.53 View S/1.46 S/1.42 S/1.29 S/1.22 S/1.19	Min.: 1 Mult.: 1	10 MHz	20 pF	30 PPM	100 PPM	HC-49/USX	- 55 C	+ 125 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 10.24MHz 18pF 50ppm -40C +85C ECS-102.4-18-4XEN ECS 1: S/2.30 896In Stock	Mfr. Part # ECS-102.4-18-4XEN Mouser Part # 520-102.4-18-4XEN	ECS	Crystals 10.24MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	896In Stock	S/2.30 S/1.99 S/1.81 S/1.74 View S/1.66 S/1.45 S/1.35 S/1.32	Min.: 1 Mult.: 1	10.24 MHz	18 pF	30 PPM	50 PPM	HC-49/USX	- 40 C	+ 85 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 12.000MHZ 18pF 100 ppm -55C +125C ECS-120-18-4X-DU ECS 1: S/2.10 82In Stock 1,000Expected 1/14/2027	Mfr. Part # ECS-120-18-4X-DU Mouser Part # 520-120-18-4X-DU	ECS	Crystals 12.000MHZ 18pF 100 ppm -55C +125C Learn More about ECS hc 49usx quartz crystals	Datasheet	82In Stock 1,000Expected 1/14/2027	S/2.10 S/1.83 S/1.66 S/1.53 View S/1.46 S/1.42 S/1.38 S/1.22 S/1.19	Min.: 1 Mult.: 1	12 MHz	18 pF	30 PPM	100 PPM	HC-49/USX	- 55 C	+ 125 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 12MHz 18pF 50ppm -40C +85C ECS-120-18-4XEN ECS 1: S/2.22 1,138In Stock	Mfr. Part # ECS-120-18-4XEN Mouser Part # 520-120-18-4XEN	ECS	Crystals 12MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	1,138In Stock	S/2.22 S/1.92 S/1.80 S/1.65 View S/1.58 S/1.53 S/1.46 S/1.37 S/1.25	Min.: 1 Mult.: 1	12 MHz	18 pF	30 PPM	50 PPM	HC-49/USX	- 40 C	+ 85 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 12.288MHz 18pF 50ppm -40C +85C ECS-122.8-18-4XEN ECS 1: S/2.06 100In Stock	Mfr. Part # ECS-122.8-18-4XEN Mouser Part # 520-122.8-18-4XEN	ECS	Crystals 12.288MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	100In Stock	S/2.06 S/1.66 S/1.63 S/1.42 View S/1.32 S/1.22 S/1.19 S/1.16 S/1.13	Min.: 1 Mult.: 1	12.288 MHz	18 pF	30 PPM	50 PPM	HC-49/USX	- 40 C	+ 85 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 13.5MHz 18pF 50ppm -40C +85C ECS-135-18-4X-EN ECS 1: S/2.30 899In Stock	Mfr. Part # ECS-135-18-4X-EN Mouser Part # 520-135-18-4XEN	ECS	Crystals 13.5MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	899In Stock	S/2.30 S/1.99 S/1.81 S/1.66 View S/1.59 S/1.55 S/1.50 S/1.38 S/1.34	Min.: 1 Mult.: 1	13.5168 MHz	18 pF	30 PPM	50 PPM		- 40 C	+ 85 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 14.31818MHz 18pF 50ppm -40C +85C ECS-143-18-4XEN ECS 1: S/2.37 7In Stock	Mfr. Part # ECS-143-18-4XEN Mouser Part # 520-143-18-4XEN	ECS	Crystals 14.31818MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	7In Stock	S/2.37 S/1.86 S/1.65 S/1.53 View S/1.39 S/1.30 S/1.24 S/1.21 S/1.19	Min.: 1 Mult.: 1	14.31818 MHz	18 pF	30 PPM	50 PPM	HC-49/USX	- 40 C	+ 85 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk