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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 12.288MHz SERIES ECS-122.8-S-4X ECS 1: 0,525 € 227In Stock	Mfr. Part No. ECS-122.8-S-4X Mouser Part No 520-HCU1228-SX	ECS	Crystals 12.288MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	227In Stock	0,525 € 0,458 € 0,415 € 0,382 € View 0,366 € 0,356 € 0,327 € 0,308 € 0,294 €	Min.: 1 Mult.: 1	12.288 MHz	Series	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 14.31818MHz 20pF -10C +70C ECS-143-20-4X ECS 1: 0,516 € 528In Stock	Mfr. Part No. ECS-143-20-4X Mouser Part No 520-HCU143-20-4X	ECS	Crystals 14.31818MHz 20pF -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	528In Stock	0,516 € 0,446 € 0,415 € 0,382 € View 0,366 € 0,356 € 0,345 € 0,326 €	Min.: 1 Mult.: 1	14.31818 MHz	20 pF	30 PPM	50 PPM	HC-49/USX	- 10 C	+ 70 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 14.318180MHz 20pF EX/TEMP HC-49US ECS-143-20-4XDN ECS 1: 0,679 € 993In Stock	Mfr. Part No. ECS-143-20-4XDN Mouser Part No 520-HCU1431-20DNX	ECS	Crystals 14.318180MHz 20pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	993In Stock	0,679 € 0,58 € 0,55 € 0,449 € View 0,433 € 0,42 € 0,381 € 0,361 € 0,334 €	Min.: 1 Mult.: 1	14.31818 MHz	20 pF	30 PPM	100 PPM	HC-49/US	- 40 C	+ 85 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 14.7456MHz 20pF ECS-147.4-20-4X ECS 1: 0,49 € 646In Stock	Mfr. Part No. ECS-147.4-20-4X Mouser Part No 520-HCU1474-20X	ECS	Crystals 14.7456MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	646In Stock	0,49 € 0,392 € 0,357 € 0,343 € View 0,334 € 0,304 € 0,289 € 0,281 € 0,274 €	Min.: 1 Mult.: 1	14.7456 MHz	20 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 14.7456MHz SERIES ECS-147.4-S-4X ECS 1: 0,542 € 52In Stock	Mfr. Part No. ECS-147.4-S-4X Mouser Part No 520-HCU1474-SX	ECS	Crystals 14.7456MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	52In Stock	0,542 € 0,427 € 0,379 € 0,368 € View 0,354 € 0,31 € 0,295 € 0,288 € 0,284 €	Min.: 1 Mult.: 1	14.7456 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 15MHz SERIES ECS-150-S-4X ECS 1: 0,525 € 719In Stock	Mfr. Part No. ECS-150-S-4X Mouser Part No 520-HCU1500-SX	ECS	Crystals 15MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	719In Stock	0,525 € 0,458 € 0,415 € 0,382 € View 0,366 € 0,356 € 0,335 € 0,312 € 0,304 €	Min.: 1 Mult.: 1	15 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 15.36MHz 20pF ECS-153-20-4X ECS 1: 0,525 € 895In Stock	Mfr. Part No. ECS-153-20-4X Mouser Part No 520-HCU1536-20X	ECS	Crystals 15.36MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	895In Stock	0,525 € 0,458 € 0,415 € 0,382 € View 0,366 € 0,356 € 0,329 € 0,31 € 0,294 €	Min.: 1 Mult.: 1	15.36 MHz	20 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 16MHz 20pF EX/TEMP HC-49US ECS-160-20-4XDN ECS 1: 0,525 € 344In Stock	Mfr. Part No. ECS-160-20-4XDN Mouser Part No 520-HCU1600-20DNX	ECS	Crystals 16MHz 20pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	344In Stock	0,525 € 0,415 € 0,366 € 0,356 € View 0,345 € 0,332 € 0,309 € 0,302 €	Min.: 1 Mult.: 1	16 MHz	20 pF	30 PPM	100 PPM	HC-49/US	- 40 C	+ 85 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 16MHz 20pF ECS-160-20-4X ECS 1: 0,542 € 1.995In Stock 2.800Expected 2/2/2027	Mfr. Part No. ECS-160-20-4X Mouser Part No 520-HCU1600-20X	ECS	Crystals 16MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1.995In Stock 2.800Expected 2/2/2027	0,542 € 0,415 € 0,358 € 0,349 € View 0,345 € 0,331 € 0,313 € 0,307 € 0,302 €	Min.: 1 Mult.: 1	16 MHz	20 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 16MHz SERIES ECS-160-S-4X ECS 1: 0,525 € 373In Stock	Mfr. Part No. ECS-160-S-4X Mouser Part No 520-HCU1600-SX	ECS	Crystals 16MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	373In Stock	0,525 € 0,458 € 0,415 € 0,382 € View 0,366 € 0,352 € 0,326 € 0,307 € 0,293 €	Min.: 1 Mult.: 1	16 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 18.0Mhz 20pF -10C +70C ECS-180-20-4X ECS 1: 0,516 € 247In Stock	Mfr. Part No. ECS-180-20-4X Mouser Part No 520-HCU180-20-4X	ECS	Crystals 18.0Mhz 20pF -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	247In Stock	0,516 € 0,446 € 0,415 € 0,382 € View 0,366 € 0,341 € 0,326 € 0,307 € 0,293 €	Min.: 1 Mult.: 1	18 MHz	20 pF	30 PPM	50 PPM	HC-49/USX	- 10 C	+ 70 C	Radial	40 Ohms	500 uW	11.35 mm	3.8 mm	3.5 mm	HCS-49USX	Bulk
Crystals 18MHz SERIES ECS-180-S-4X ECS 1: 0,525 € 962In Stock	Mfr. Part No. ECS-180-S-4X Mouser Part No 520-HCU1800-SX	ECS	Crystals 18MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	962In Stock	0,525 € 0,458 € 0,415 € 0,382 € View 0,366 € 0,356 € 0,327 € 0,308 € 0,294 €	Min.: 1 Mult.: 1	18 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 18pF -10C +70C ECS-184-18-4X ECS 1: 0,525 € 368In Stock	Mfr. Part No. ECS-184-18-4X Mouser Part No 520-HCU184-18-4X	ECS	Crystals 18.432MHz 18pF -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	368In Stock	0,525 € 0,458 € 0,415 € 0,38 € View 0,365 € 0,356 € 0,335 € 0,315 € 0,30 €	Min.: 1 Mult.: 1	18.432 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 18.432000MHz 20pF EX/TEMP HC-49US ECS-184-20-4XDN ECS 1: 0,559 € 293In Stock	Mfr. Part No. ECS-184-20-4XDN Mouser Part No 520-HCU1843-20DNX	ECS	Crystals 18.432000MHz 20pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	293In Stock	0,559 € 0,44 € 0,388 € 0,378 € View 0,366 € 0,346 € 0,341 € 0,31 €	Min.: 1 Mult.: 1	18.432 MHz	20 pF	30 PPM	100 PPM	HC-49/US	- 40 C	+ 85 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 18.432MHz 20pF ECS-184-20-4X ECS 1: 0,525 € 112In Stock	Mfr. Part No. ECS-184-20-4X Mouser Part No 520-HCU1843-20X	ECS	Crystals 18.432MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	112In Stock	0,525 € 0,458 € 0,415 € 0,382 € View 0,366 € 0,356 € 0,329 € 0,31 € 0,296 €	Min.: 1 Mult.: 1	18.432 MHz	20 pF	30 PPM	50 PPM	HC-49/USX	- 10 C	+ 70 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 19.6608MHz 20pF ECS-196.6-20-4X ECS 1: 0,525 € 415In Stock	Mfr. Part No. ECS-196.6-20-4X Mouser Part No 520-HCU1966-20X	ECS	Crystals 19.6608MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	415In Stock	0,525 € 0,458 € 0,415 € 0,402 € View 0,383 € 0,335 € 0,312 € 0,304 €	Min.: 1 Mult.: 1	19.6608 MHz	20 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 20MHz 20pF EX/TEMP HC-49US ECS-200-20-4XDN ECS 1: 0,568 € 936In Stock	Mfr. Part No. ECS-200-20-4XDN Mouser Part No 520-HCU2000-20DNX	ECS	Crystals 20MHz 20pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	936In Stock	0,568 € 0,453 € 0,422 € 0,411 € View 0,393 € 0,376 € 0,324 € 0,318 € 0,313 €	Min.: 1 Mult.: 1	20 MHz	20 pF	30 PPM	100 PPM	HC-49/US	- 40 C	+ 85 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 20MHz 20pF ECS-200-20-4X ECS 1: 0,516 € 408In Stock 1.000Expected 1/19/2027	Mfr. Part No. ECS-200-20-4X Mouser Part No 520-HCU2000-20X	ECS	Crystals 20MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	408In Stock 1.000Expected 1/19/2027	0,516 € 0,406 € 0,35 € 0,348 € View 0,337 € 0,307 € 0,30 € 0,292 €	Min.: 1 Mult.: 1	20 MHz	20 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 20MHz SERIES ECS-200-S-4X ECS 1: 0,525 € 1.000In Stock	Mfr. Part No. ECS-200-S-4X Mouser Part No 520-HCU2000-SX	ECS	Crystals 20MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	1.000In Stock	0,525 € 0,458 € 0,415 € 0,382 € View 0,366 € 0,327 € 0,308 € 0,294 €	Min.: 1 Mult.: 1	20 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 22.1184MHz Series -10C +70C ECS-221-S-4X ECS 1: 0,516 € 120In Stock	Mfr. Part No. ECS-221-S-4X Mouser Part No 520-HCU221-S-4X	ECS	Crystals 22.1184MHz Series -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	120In Stock	0,516 € 0,405 € 0,353 € 0,347 € View 0,338 € 0,31 € 0,294 € 0,286 € 0,28 €	Min.: 1 Mult.: 1	22.1184 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 24MHz 12pF ECS-240-12-4X ECS 1: 0,516 € 1.059In Stock	Mfr. Part No. ECS-240-12-4X Mouser Part No 520-HCU2400-12X	ECS	Crystals 24MHz 12pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1.059In Stock	0,516 € 0,445 € 0,404 € 0,372 € View 0,355 € 0,347 € 0,335 € 0,316 €	Min.: 1 Mult.: 1	24 MHz	12 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 24.0-MHz 16pF ECS-240-16-4X ECS 1: 0,525 € 1.344In Stock	Mfr. Part No. ECS-240-16-4X Mouser Part No 520-HCU2400-16X	ECS	Crystals 24.0-MHz 16pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1.344In Stock	0,525 € 0,455 € 0,413 € 0,379 € View 0,378 € 0,366 € 0,31 € 0,296 €	Min.: 1 Mult.: 1	24 MHz	16 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 24MHz 20pF EX-TEMP HC-49US ECS-240-20-4XDN ECS 1: 0,628 € 642In Stock	Mfr. Part No. ECS-240-20-4XDN Mouser Part No 520-HCU2400-20DNX	ECS	Crystals 24MHz 20pF EX-TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	642In Stock	0,628 € 0,54 € 0,512 € 0,465 € View 0,445 € 0,424 € 0,398 € 0,361 € 0,335 €	Min.: 1 Mult.: 1	24 MHz	20 pF	30 PPM	100 PPM	HC-49/US	- 40 C	+ 85 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 24MHz 20pF ECS-240-20-4X ECS 1: 0,482 € 1.249In Stock	Mfr. Part No. ECS-240-20-4X Mouser Part No 520-HCU2400-20X	ECS	Crystals 24MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1.249In Stock	0,482 € 0,376 € 0,343 € 0,333 € View 0,332 € 0,313 € 0,308 € 0,30 € 0,298 €	Min.: 1 Mult.: 1	24 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 24MHz SERIES ECS-240-S-4X ECS 1: 0,516 € 187In Stock	Mfr. Part No. ECS-240-S-4X Mouser Part No 520-HCU2400-SX	ECS	Crystals 24MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	187In Stock	0,516 € 0,446 € 0,415 € 0,382 € View 0,366 € 0,339 € 0,326 € 0,307 € 0,294 €	Min.: 1 Mult.: 1	24 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk