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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 (SGD) 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: $0.53 9,529In Stock	Mfr. Part No. ECS-160-18-4X-CKM Mouser Part No 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	9,529In Stock	$0.53 $0.438 $0.40 $0.386 View $0.377 $0.358 $0.35 $0.34	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: $0.802 5,698In Stock	Mfr. Part No. ECS-200-18-4X Mouser Part No 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 $0.802 $0.631 $0.556 Reel $0.556 $0.521 View $0.472 $0.45 $0.438 $0.407	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: $0.802 4,639In Stock	Mfr. Part No. ECS-120-20-4X Mouser Part No 520-HCU1200-20X	ECS	Crystals 12MHz 20pF HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	4,639In Stock	$0.802 $0.632 $0.556 $0.537 View $0.488 $0.48 $0.469	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: $0.857 986In Stock	Mfr. Part No. ECS-73-S-4X Mouser Part No 520-HCU737-SX	ECS	Crystals 7.3728MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	986In Stock	$0.857 $0.673 $0.609 $0.583 View $0.51 $0.483 $0.461 $0.439	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: $0.816 188In Stock	Mfr. Part No. ECS-240.001-18-4XEN Mouser Part No 520-240.001-18-4XEN	ECS	Crystals 24.00014MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	188In Stock	$0.816 $0.643 $0.582 $0.517 View $0.468 $0.43 $0.419 $0.40	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: $0.857 208In Stock	Mfr. Part No. ECS-119.8-S-4X Mouser Part No 520-HCU119.8-S-4X	ECS	Crystals 11.98135MHz Series -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	208In Stock	$0.857 $0.673 $0.609 $0.541 View $0.513 $0.481 $0.466 $0.449	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 15.36MHz 18pF 50ppm -40C +85C ECS-153.6-18-4X-EN ECS 1: $0.816 773In Stock	Mfr. Part No. ECS-153.6-18-4X-EN Mouser Part No 520-153.6-18-4XEN	ECS	Crystals 15.36MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	773In Stock	$0.816 $0.643 $0.582 $0.558 View $0.49 $0.46 $0.447 $0.428	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: $0.857 201In Stock	Mfr. Part No. ECS-129.6-18-4X Mouser Part No 520-HCU129.6-18-4X	ECS	Crystals 12.96MHz 18pF -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	201In Stock	$0.857 $0.673 $0.609 $0.541 View $0.499 $0.473 $0.453 $0.431	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: $0.857 188In Stock	Mfr. Part No. ECS-143-S-4X Mouser Part No 520-HCU1431-SX	ECS	Crystals 14.31818MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	188In Stock	$0.857 $0.673 $0.609 $0.541 View $0.499 $0.473 $0.453 $0.431	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 16.000312MHz 18pF ECS-160.003-18-4X ECS 1: $0.857 1,034In Stock	Mfr. Part No. ECS-160.003-18-4X Mouser Part No 520-HCU1601-18X	ECS	Crystals 16.000312MHz 18pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1,034In Stock	$0.857 $0.673 $0.609 $0.583 View $0.559 $0.473 $0.453 $0.431	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 18.432MHz SERIES ECS-184-S-4X ECS 1: $0.857 624In Stock	Mfr. Part No. ECS-184-S-4X Mouser Part No 520-HCU1843-SX	ECS	Crystals 18.432MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	624In Stock	$0.857 $0.673 $0.609 $0.583 View $0.51 $0.483 $0.461 $0.439	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 3.579MHz 17pF EX/TEMP HC-49US ECS-35-17-4XDN ECS 1: $0.843 3,008In Stock	Mfr. Part No. ECS-35-17-4XDN Mouser Part No 520-HCU357-17DNX	ECS	Crystals 3.579MHz 17pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	3,008In Stock	$0.843 $0.669 $0.59 $0.574 View $0.551 $0.525 $0.477	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: $0.462 992In Stock	Mfr. Part No. ECS-120-20-4X-EM Mouser Part No 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	$0.462 $0.369 $0.325 $0.316 View $0.287 $0.271 $0.257 $0.234	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: $0.734 986In Stock	Mfr. Part No. ECS-035-18-4X-DU Mouser Part No 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	$0.734 $0.581 $0.511 $0.509 View $0.452 $0.428 $0.416 $0.396	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: $0.734 471In Stock	Mfr. Part No. ECS-040-20-4X-DU Mouser Part No 520-040-20-4X-DU	ECS	Crystals 4.000MHZ 20pF 100 ppm -55C +125C Learn More about ECS hc 49usx quartz crystals	Datasheet	471In Stock	$0.734 $0.581 $0.511 $0.498 View $0.461 $0.439 $0.43 $0.411	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: $0.734 176In Stock	Mfr. Part No. ECS-060-20-4X-DU Mouser Part No 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	$0.734 $0.581 $0.511 $0.475 View $0.452 $0.428 $0.416 $0.396	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: $0.734 2,674In Stock	Mfr. Part No. ECS-080-20-4X-DU Mouser Part No 520-080-20-4X-DU	ECS	Crystals 8.000MHZ 20pF 100 ppm -55C +125C Learn More about ECS hc 49usx quartz crystals	Datasheet	2,674In Stock	$0.734 $0.57 $0.486 $0.468 View $0.454 $0.445 $0.413	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: $0.734 942In Stock	Mfr. Part No. ECS-100-20-4X-DU Mouser Part No 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	$0.734 $0.581 $0.511 $0.509 View $0.445 $0.422 $0.409 $0.39	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: $0.802 896In Stock	Mfr. Part No. ECS-102.4-18-4XEN Mouser Part No 520-102.4-18-4XEN	ECS	Crystals 10.24MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	896In Stock	$0.802 $0.631 $0.582 $0.558 View $0.499 $0.469 $0.454 $0.428	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 11.0592MHz 18pF 50ppm -40C +85C ECS-110.5-18-4XEN ECS 1: $0.734 1,346In Stock 1,200Expected 1/2/2027	Mfr. Part No. ECS-110.5-18-4XEN Mouser Part No 520-110.5-18-4XEN	ECS	Crystals 11.0592MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	1,346In Stock 1,200Expected 1/2/2027	$0.734 $0.581 $0.511 $0.498 View $0.483 $0.439 $0.422 $0.401	Min.: 1 Mult.: 1	11.0592 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: $0.762 217In Stock 800Expected 16/2/2027	Mfr. Part No. ECS-120-18-4X-DU Mouser Part No 520-120-18-4X-DU	ECS	Crystals 12.000MHZ 18pF 100 ppm -55C +125C Learn More about ECS hc 49usx quartz crystals	Datasheet	217In Stock 800Expected 16/2/2027	$0.762 $0.598 $0.534 $0.515 View $0.498 $0.428 $0.416 $0.398	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: $0.748 580In Stock	Mfr. Part No. ECS-120-18-4XEN Mouser Part No 520-120-18-4XEN	ECS	Crystals 12MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	580In Stock	$0.748 $0.598 $0.54 $0.522 View $0.494 $0.471 $0.428 $0.409	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: $0.721 100In Stock	Mfr. Part No. ECS-122.8-18-4XEN Mouser Part No 520-122.8-18-4XEN	ECS	Crystals 12.288MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	100In Stock	$0.721 $0.585 $0.582 $0.499 View $0.465 $0.427 $0.418 $0.397	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: $0.802 899In Stock	Mfr. Part No. ECS-135-18-4X-EN Mouser Part No 520-135-18-4XEN	ECS	Crystals 13.5MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	899In Stock	$0.802 $0.631 $0.556 $0.541 View $0.525 $0.477 $0.465 $0.442	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: $0.83 7In Stock	Mfr. Part No. ECS-143-18-4XEN Mouser Part No 520-143-18-4XEN	ECS	Crystals 14.31818MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	7In Stock	$0.83 $0.656 $0.582 $0.534 View $0.488 $0.453 $0.434 $0.415	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