Crystals – Mouser Puerto Rico

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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 (USD) 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 12MHz 20pF HC-49US ECS-120-20-4X ECS 1: $0.53 A tariff of 8% may be applied if shipping to the United States. 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	$0.53 $0.42 $0.378 $0.364 View $0.345 $0.343 $0.327 $0.319 A tariff of 8% may be applied if shipping to the United States.	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 CRYSTAL 16MHZ 18pF 10ppm 10ppm -20 C 70 C ECS-160-18-4X-CKM ECS 1: $0.35 A tariff of 8% may be applied if shipping to the United States. 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	$0.35 $0.289 $0.268 $0.263 View $0.253 $0.242 $0.223 $0.219 $0.207 A tariff of 8% may be applied if shipping to the United States.	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: $0.59 A tariff of 30% may be applied if shipping to the United States. 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 $0.59 $0.464 $0.409 Reel $0.409 $0.382 View $0.346 $0.332 $0.32 $0.307 $0.30 A tariff of 30% may be applied if shipping to the United States.	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 7.3728MHz SERIES ECS-73-S-4X ECS 1: $0.68 A tariff of 30% may be applied if shipping to the United States. 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	$0.68 $0.574 $0.545 $0.495 View $0.468 $0.445 $0.382 $0.36 $0.342 A tariff of 30% may be applied if shipping to the United States.	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 18.432MHz SERIES ECS-184-S-4X ECS 1: $0.68 A tariff of 30% may be applied if shipping to the United States. 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	$0.68 $0.574 $0.545 $0.495 View $0.468 $0.445 $0.382 $0.36 $0.342 A tariff of 30% may be applied if shipping to the United States.	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: $0.68 A tariff of 8% may be applied if shipping to the United States. 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	$0.68 $0.574 $0.545 $0.495 View $0.425 $0.409 $0.382 $0.36 $0.342 A tariff of 8% may be applied if shipping to the United States.	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 24.00014MHz 18pF 50ppm -40C +85C ECS-240.001-18-4XEN ECS 1: $0.60 A tariff of 8% may be applied if shipping to the United States. 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	$0.60 $0.469 $0.419 $0.379 View $0.342 $0.316 $0.307 $0.301 $0.295 A tariff of 8% may be applied if shipping to the United States.	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: $0.61 A tariff of 30% may be applied if shipping to the United States. 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	$0.61 $0.483 $0.434 $0.392 View $0.383 $0.36 $0.345 $0.337 $0.33 A tariff of 30% may be applied if shipping to the United States.	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: $0.60 A tariff of 30% may be applied if shipping to the United States. 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	$0.60 $0.469 $0.419 $0.407 View $0.359 $0.339 $0.327 $0.321 $0.315 A tariff of 30% may be applied if shipping to the United States.	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: $0.61 A tariff of 8% may be applied if shipping to the United States. 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	$0.61 $0.483 $0.434 $0.392 View $0.366 $0.35 $0.331 $0.324 $0.317 A tariff of 8% may be applied if shipping to the United States.	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: $0.61 A tariff of 8% may be applied if shipping to the United States. 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	$0.61 $0.483 $0.434 $0.392 View $0.363 $0.347 $0.331 $0.324 $0.317 A tariff of 8% may be applied if shipping to the United States.	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: $0.61 A tariff of 30% may be applied if shipping to the United States. 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	$0.61 $0.483 $0.434 $0.419 View $0.401 $0.347 $0.331 $0.324 $0.318 A tariff of 30% may be applied if shipping to the United States.	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 3.579MHz 17pF EX/TEMP HC-49US ECS-35-17-4XDN ECS 1: $0.62 A tariff of 8% may be applied if shipping to the United States. 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	$0.62 $0.492 $0.434 $0.422 View $0.396 $0.386 $0.355 $0.35 A tariff of 8% may be applied if shipping to the United States.	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: $0.34 A tariff of 8% may be applied if shipping to the United States. 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	$0.34 $0.299 $0.271 $0.259 View $0.238 $0.232 $0.231 $0.193 $0.182 A tariff of 8% may be applied if shipping to the United States.	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: $0.54 A tariff of 8% may be applied if shipping to the United States. 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	$0.54 $0.47 $0.427 $0.392 View $0.391 $0.387 $0.337 $0.318 $0.311 A tariff of 8% may be applied if shipping to the United States.	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: $0.54 A tariff of 8% may be applied if shipping to the United States. 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	$0.54 $0.47 $0.427 $0.392 View $0.375 $0.366 $0.355 $0.33 $0.323 A tariff of 8% may be applied if shipping to the United States.	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: $0.54 A tariff of 8% may be applied if shipping to the United States. 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	$0.54 $0.47 $0.427 $0.392 View $0.375 $0.337 $0.318 $0.311 A tariff of 8% may be applied if shipping to the United States.	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: $0.54 A tariff of 8% may be applied if shipping to the United States. 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	$0.54 $0.47 $0.427 $0.377 View $0.362 $0.348 $0.338 $0.334 $0.33 A tariff of 8% may be applied if shipping to the United States.	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: $0.54 A tariff of 8% may be applied if shipping to the United States. 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	$0.54 $0.47 $0.427 $0.392 View $0.375 $0.366 $0.331 $0.313 $0.306 A tariff of 8% may be applied if shipping to the United States.	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: $0.59 A tariff of 8% may be applied if shipping to the United States. 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	$0.59 $0.512 $0.464 $0.448 View $0.426 $0.372 $0.348 $0.338 A tariff of 8% may be applied if shipping to the United States.	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: $0.54 A tariff of 8% may be applied if shipping to the United States. 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	$0.54 $0.47 $0.427 $0.392 View $0.375 $0.366 $0.355 $0.313 $0.307 A tariff of 8% may be applied if shipping to the United States.	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: $0.57 A tariff of 8% may be applied if shipping to the United States. 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	$0.57 $0.494 $0.463 $0.425 View $0.406 $0.392 $0.374 $0.353 $0.32 A tariff of 8% may be applied if shipping to the United States.	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: $0.53 A tariff of 8% may be applied if shipping to the United States. 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	$0.53 $0.427 $0.419 $0.365 View $0.34 $0.314 $0.305 $0.299 $0.291 A tariff of 8% may be applied if shipping to the United States.	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: $0.59 A tariff of 30% may be applied if shipping to the United States. 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	$0.59 $0.512 $0.464 $0.427 View $0.408 $0.398 $0.386 $0.354 $0.344 A tariff of 30% may be applied if shipping to the United States.	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: $0.61 A tariff of 30% may be applied if shipping to the United States. 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	$0.61 $0.479 $0.425 $0.392 View $0.358 $0.333 $0.318 $0.312 $0.306 A tariff of 30% may be applied if shipping to the United States.	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