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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 (EUR) 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: € 0,421 4 769In 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 769In Stock	€ 0,421 € 0,335 € 0,308 € 0,296 View € 0,286 € 0,28 € 0,274	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: € 0,318 9 591In 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 591In Stock	€ 0,318 € 0,279 € 0,264 € 0,246 View € 0,239 € 0,231 € 0,226 € 0,214 € 0,20	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: € 0,507 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 € 0,507 € 0,44 € 0,399 € 0,367 Reel € 0,351 View € 0,334 € 0,303 € 0,287 € 0,28	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 3.579MHz 17pF EX/TEMP HC-49US ECS-35-17-4XDN ECS 1: € 0,533 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	€ 0,533 € 0,423 € 0,373 € 0,363 View € 0,341 € 0,332 € 0,305 € 0,302	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 15.36MHz 18pF 50ppm -40C +85C ECS-153.6-18-4X-EN ECS 1: € 0,516 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	€ 0,516 € 0,403 € 0,36 € 0,35 View € 0,309 € 0,292 € 0,281 € 0,276 € 0,271	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: € 0,525 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	€ 0,525 € 0,415 € 0,373 € 0,337 View € 0,315 € 0,301 € 0,285 € 0,279 € 0,273	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: € 0,525 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	€ 0,525 € 0,415 € 0,373 € 0,337 View € 0,312 € 0,298 € 0,285 € 0,279 € 0,273	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 7.3728MHz SERIES ECS-73-S-4X ECS 1: € 0,585 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	€ 0,585 € 0,494 € 0,469 € 0,426 View € 0,402 € 0,383 € 0,329 € 0,31 € 0,294	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: € 0,585 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	€ 0,585 € 0,494 € 0,469 € 0,426 View € 0,402 € 0,383 € 0,329 € 0,31 € 0,294	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 16.000312MHz 18pF ECS-160.003-18-4X ECS 1: € 0,525 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	€ 0,525 € 0,415 € 0,373 € 0,36 View € 0,345 € 0,298 € 0,285 € 0,279 € 0,273	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 24.00014MHz 18pF 50ppm -40C +85C ECS-240.001-18-4XEN ECS 1: € 0,516 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	€ 0,516 € 0,403 € 0,36 € 0,326 View € 0,294 € 0,272 € 0,264 € 0,259 € 0,254	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: € 0,525 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	€ 0,525 € 0,415 € 0,373 € 0,337 View € 0,329 € 0,31 € 0,297 € 0,29 € 0,284	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 12.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS ECS-120-20-4X-EM ECS 1: € 0,292 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	€ 0,292 € 0,257 € 0,233 € 0,223 View € 0,205 € 0,20 € 0,199 € 0,166 € 0,157	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: € 0,464 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	€ 0,464 € 0,404 € 0,367 € 0,337 View € 0,336 € 0,333 € 0,29 € 0,273 € 0,267	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: € 0,464 472In 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	472In Stock	€ 0,464 € 0,404 € 0,367 € 0,337 View € 0,323 € 0,315 € 0,305 € 0,284 € 0,278	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: € 0,464 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	€ 0,464 € 0,404 € 0,367 € 0,337 View € 0,323 € 0,29 € 0,273 € 0,267	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: € 0,464 2 729In 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 729In Stock	€ 0,464 € 0,404 € 0,367 € 0,324 View € 0,311 € 0,299 € 0,291 € 0,287 € 0,284	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: € 0,464 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	€ 0,464 € 0,404 € 0,367 € 0,337 View € 0,323 € 0,315 € 0,285 € 0,269 € 0,263	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: € 0,507 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	€ 0,507 € 0,44 € 0,399 € 0,385 View € 0,366 € 0,32 € 0,299 € 0,291	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: € 0,464 1 846In Stock	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 846In Stock	€ 0,464 € 0,405 € 0,367 € 0,338 View € 0,323 € 0,315 € 0,305 € 0,288 € 0,27	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: € 0,482 82In Stock 1 000Expected 14/01/2027	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	82In Stock 1 000Expected 14/01/2027	€ 0,482 € 0,415 € 0,377 € 0,36 View € 0,331 € 0,323 € 0,313 € 0,264	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: € 0,464 1 013In 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	1 013In Stock	€ 0,464 € 0,402 € 0,374 € 0,359 View € 0,339 € 0,337 € 0,286 € 0,263	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: € 0,456 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	€ 0,456 € 0,367 € 0,36 € 0,314 View € 0,292 € 0,27 € 0,262 € 0,257 € 0,25	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: € 0,507 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	€ 0,507 € 0,44 € 0,399 € 0,367 View € 0,351 € 0,342 € 0,332 € 0,304 € 0,296	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: € 0,525 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	€ 0,525 € 0,412 € 0,366 € 0,337 View € 0,308 € 0,286 € 0,273 € 0,268 € 0,263	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