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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 9MHz 18pF 50ppm -40C +85C ECS-90-18-4XEN ECS 1: 0,507 € 961In Stock	Mfr. Part No. ECS-90-18-4XEN Mouser Part No 520-90-18-4XEN	ECS	Crystals 9MHz 18pF 50ppm -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	961In Stock	0,507 € 0,44 € 0,399 € 0,367 € View 0,351 € 0,342 € 0,299 € 0,291 €	Min.: 1 Mult.: 1	9 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 9.2160MHz 18pF -10C +70C ECS-92.1-18-4XEN ECS 1: 0,507 € 206In Stock	Mfr. Part No. ECS-92.1-18-4XEN Mouser Part No 520-92.1-18-4XEN	ECS	Crystals 9.2160MHz 18pF -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	206In Stock	0,507 € 0,44 € 0,399 € 0,367 € View 0,351 € 0,342 € 0,31 € 0,286 € 0,275 €	Min.: 1 Mult.: 1	9.216 MHz	18 pF	30 PPM	50 PPM	11.35 mm x 4.65 mm	- 40 C	+ 85 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals HC-49USX, 11.0592MHz, 20pF, +/-30ppm, +/-50ppm, -40C +85 C, RoHS ECS-110.5-20-4X-EN ECS 1: 0,447 € 380In Stock	Mfr. Part No. ECS-110.5-20-4X-EN Mouser Part No 520-ECS-110.5-204XEN	ECS	Crystals HC-49USX, 11.0592MHz, 20pF, +/-30ppm, +/-50ppm, -40C +85 C, RoHS Learn More about ECS hc 49usx quartz crystals	Datasheet	380In Stock	Cut Tape 0,447 € 0,386 € 0,351 € 0,323 € Reel 0,308 € View 0,30 € 0,292 € 0,275 € 0,268 €	Min.: 1 Mult.: 1 : 200	11.0592 MHz	20 pF	30 PPM	50 PPM	11.35 mm x 3.5 mm	- 40 C	+ 85 C	Radial	40 Ohms	500 uW	11.35 mm	5 mm	3.5 mm		Reel, Cut Tape
Crystals 16.000 MHz 12 pF HC-49USX +/-30/30 ppm -20 - +70C RoHS ECS-160-12-4X-GM ECS 1: 0,292 € 438In Stock	Mfr. Part No. ECS-160-12-4X-GM Mouser Part No 520-ECS-160-12-4X-GM	ECS	Crystals 16.000 MHz 12 pF HC-49USX +/-30/30 ppm -20 - +70C RoHS Learn More about ECS hc 49usx quartz crystals	Datasheet	438In Stock	0,292 € 0,257 € 0,233 € 0,214 € View 0,205 € 0,20 € 0,183 € 0,174 € 0,165 €	Min.: 1 Mult.: 1	16 MHz	12 pF	30 PPM	30 PPM	11.35 mm x 4.65 mm	- 20 C	+ 70 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm		Bulk
Crystals 16.000 MHz 18 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS ECS-160-18-4X-EM ECS 1: 0,378 € 666In Stock	Mfr. Part No. ECS-160-18-4X-EM Mouser Part No 520-ECS-160-18-4X-EM	ECS	Crystals 16.000 MHz 18 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS Learn More about ECS hc 49usx quartz crystals	Datasheet	666In Stock	0,378 € 0,323 € 0,307 € 0,28 € View 0,264 € 0,251 € 0,237 € 0,224 € 0,214 €	Min.: 1 Mult.: 1	16 MHz	18 pF	30 PPM	50 PPM	11.35 mm x 4.65 mm	- 20 C	+ 70 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm		Bulk
Crystals 16.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS ECS-160-20-4X-EM ECS 1: 0,292 € 371In Stock	Mfr. Part No. ECS-160-20-4X-EM Mouser Part No 520-ECS-160-20-4X-EM	ECS	Crystals 16.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS Learn More about ECS hc 49usx quartz crystals	Datasheet	371In Stock	0,292 € 0,257 € 0,233 € 0,214 € View 0,205 € 0,20 € 0,194 € 0,172 € 0,163 €	Min.: 1 Mult.: 1	16 MHz	20 pF	30 PPM	50 PPM	11.35 mm x 4.65 mm	- 20 C	+ 70 C	Radial	40 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm		Bulk
Crystals 20.000 MHz 18 pF HC-49USX +/-30/30 ppm -20 - +70C RoHS ECS-200-18-4X-GM ECS 1: 0,292 € 495In Stock	Mfr. Part No. ECS-200-18-4X-GM Mouser Part No 520-ECS-200-18-4X-GM	ECS	Crystals 20.000 MHz 18 pF HC-49USX +/-30/30 ppm -20 - +70C RoHS Learn More about ECS hc 49usx quartz crystals	Datasheet	495In Stock	0,292 € 0,257 € 0,233 € 0,214 € View 0,205 € 0,20 € 0,183 € 0,169 € 0,162 €	Min.: 1 Mult.: 1	20 MHz	18 pF	30 PPM	30 PPM	11.35 mm x 4.65 mm	- 20 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm		Bulk
Crystals 20.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS ECS-200-20-4X-EM ECS 1: 0,292 € 611In Stock	Mfr. Part No. ECS-200-20-4X-EM Mouser Part No 520-ECS-200-20-4X-EM	ECS	Crystals 20.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS Learn More about ECS hc 49usx quartz crystals	Datasheet	611In Stock	0,292 € 0,257 € 0,233 € 0,214 € View 0,205 € 0,20 € 0,184 € 0,175 € 0,165 €	Min.: 1 Mult.: 1	20 MHz	20 pF	30 PPM	50 PPM	11.35 mm x 4.65 mm	- 20 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm		Bulk
Crystals HC-49USX, 4MHz, 18pF, +/-30ppm, +/-50ppm, -10C +70 C, RoHS ECS-40-18-4X ECS 1: 0,542 € 220In Stock	Mfr. Part No. ECS-40-18-4X Mouser Part No 520-ECS-40-18-4X	ECS	Crystals HC-49USX, 4MHz, 18pF, +/-30ppm, +/-50ppm, -10C +70 C, RoHS Learn More about ECS hc 49usx quartz crystals	Datasheet	220In Stock	Cut Tape 0,542 € 0,427 € 0,379 € Reel 0,379 € 0,368 € View 0,354 € 0,316 € 0,298 € 0,292 € 0,284 €	Min.: 1 Mult.: 1 : 200	4 MHz	18 pF	30 PPM	50 PPM	11.35 mm x 3.5 mm	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	3.5 mm	3.5 mm		Reel, Cut Tape
Crystals CRYSTAL 8MHZ 18pF 10ppm 10ppm -20 C 70 C ECS-80-18-4X-CKM ECS 1: 0,396 € 1.595In Stock	Mfr. Part No. ECS-80-18-4X-CKM Mouser Part No 520-ECS-80-18-4X-CKM	ECS	Crystals CRYSTAL 8MHZ 18pF 10ppm 10ppm -20 C 70 C Learn More about ECS hc 49usx quartz crystals	Datasheet	1.595In Stock	0,396 € 0,31 € 0,276 € 0,273 € View 0,267 € 0,25 € 0,242 € 0,239 € 0,236 €	Min.: 1 Mult.: 1	8 MHz	18 pF	10 PPM	10 PPM	HC-49/USX	- 20 C	+ 70 C	Radial	80 Ohms	500 uW	11.35 mm	5 mm	3.5 mm	HC-49USX	Bulk
Crystals CRYSTAL 10MHZ 18pF 10ppm 10ppm -20 C 70 C ECS-100-18-4X-CKM ECS 1: 0,413 € 851In Stock	Mfr. Part No. ECS-100-18-4X-CKM Mouser Part No 520-ECS100-18-4X-CKM	ECS	Crystals CRYSTAL 10MHZ 18pF 10ppm 10ppm -20 C 70 C Learn More about ECS hc 49usx quartz crystals	Datasheet	851In Stock	0,413 € 0,327 € 0,306 € 0,261 € View 0,25 € 0,237 € 0,233 € 0,218 €	Min.: 1 Mult.: 1	10 MHz	18 pF	10 PPM	10 PPM	HC-49/USX	- 20 C	+ 70 C	Radial	60 Ohms	500 uW	11.35 mm	5 mm	3.5 mm	HC-49USX	Bulk
Crystals CRYSTAL 12MHZ 18pF 10ppm 10ppm -20 C 70 C ECS-120-18-4X-CKM ECS 1: 0,413 € 2.762In Stock	Mfr. Part No. ECS-120-18-4X-CKM Mouser Part No 520-ECS120-18-4X-CKM	ECS	Crystals CRYSTAL 12MHZ 18pF 10ppm 10ppm -20 C 70 C Learn More about ECS hc 49usx quartz crystals	Datasheet	2.762In Stock	0,413 € 0,327 € 0,287 € 0,279 € View 0,264 € 0,249 €	Min.: 1 Mult.: 1	12 MHz	18 pF	10 PPM	10 PPM	HC-49/USX	- 20 C	+ 70 C	Radial	60 Ohms	500 uW	11.35 mm	5 mm	3.5 mm	HC-49USX	Bulk
Crystals CRYSTAL 20MHZ 18pF 10ppm 10ppm -20 C 70 C ECS-200-18-4X-CKM ECS 1: 0,413 € 1.142In Stock	Mfr. Part No. ECS-200-18-4X-CKM Mouser Part No 520-ECS200-18-4X-CKM	ECS	Crystals CRYSTAL 20MHZ 18pF 10ppm 10ppm -20 C 70 C Learn More about ECS hc 49usx quartz crystals	Datasheet	1.142In Stock	0,413 € 0,363 € 0,329 € 0,303 € View 0,289 € 0,282 € 0,273 € 0,254 € 0,241 €	Min.: 1 Mult.: 1	20 MHz	18 pF	10 PPM	10 PPM	HC-49/USX	- 20 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	5 mm	3.5 mm	HC-49USX	Bulk
Crystals CRYSTAL 25MHZ 18pF 10ppm 10ppm -20 C 70 C ECS-250-18-4X-CKM ECS 1: 0,413 € 1.189In Stock	Mfr. Part No. ECS-250-18-4X-CKM Mouser Part No 520-ECS250-18-4X-CKM	ECS	Crystals CRYSTAL 25MHZ 18pF 10ppm 10ppm -20 C 70 C Learn More about ECS hc 49usx quartz crystals	Datasheet	1.189In Stock	0,413 € 0,363 € 0,329 € 0,303 € View 0,289 € 0,282 € 0,273 € 0,252 € 0,24 €	Min.: 1 Mult.: 1	25 MHz	18 pF	10 PPM	10 PPM	HC-49/USX	- 20 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	5 mm	3.5 mm	HC-49USX	Bulk
Crystals 10MHz 18pF ECS-100-18-4X ECS 1: 0,525 € 1.658In Stock	Mfr. Part No. ECS-100-18-4X Mouser Part No 520-HCU1000-18X	ECS	Crystals 10MHz 18pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1.658In Stock	0,525 € 0,415 € 0,366 € 0,356 € View 0,345 € 0,316 € 0,303 € 0,295 € 0,29 €	Min.: 1 Mult.: 1	10 MHz	18 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 10MHz SERIES ECS-100-S-4X ECS 1: 0,525 € 696In Stock 800Expected 11/10/2026	Mfr. Part No. ECS-100-S-4X Mouser Part No 520-HCU1000-SX	ECS	Crystals 10MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	696In Stock 800Expected 11/10/2026	0,525 € 0,458 € 0,415 € 0,382 € View 0,366 € 0,33 € 0,312 € 0,299 €	Min.: 1 Mult.: 1	10 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 10.738635MHz SERIES ECS-107.3-S-4X ECS 1: 0,516 € 928In Stock	Mfr. Part No. ECS-107.3-S-4X Mouser Part No 520-HCU1073-SX	ECS	Crystals 10.738635MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	928In Stock	0,516 € 0,446 € 0,415 € 0,382 € View 0,366 € 0,356 € 0,326 € 0,307 € 0,294 €	Min.: 1 Mult.: 1	10.738635 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 11MHz SERIES ECS-110-S-4X ECS 1: 0,525 € 439In Stock	Mfr. Part No. ECS-110-S-4X Mouser Part No 520-HCU1100-SX	ECS	Crystals 11MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	439In Stock	0,525 € 0,458 € 0,415 € 0,382 € View 0,366 € 0,352 € 0,329 € 0,308 € 0,299 €	Min.: 1 Mult.: 1	11 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 11.0592MHz 20pF ECS-110.5-20-4X ECS 1: 0,482 € 1.240In Stock	Mfr. Part No. ECS-110.5-20-4X Mouser Part No 520-HCU1105-20X	ECS	Crystals 11.0592MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1.240In Stock	0,482 € 0,386 € 0,35 € 0,34 € View 0,329 € 0,311 € 0,30 € 0,294 € 0,288 €	Min.: 1 Mult.: 1	11.0592 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 11.0592MHz 32pF ECS-110.5-32-4X ECS 1: 0,516 € 1.007In Stock	Mfr. Part No. ECS-110.5-32-4X Mouser Part No 520-HCU1105-32X	ECS	Crystals 11.0592MHz 32pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1.007In Stock	0,516 € 0,446 € 0,415 € 0,382 € View 0,366 € 0,356 € 0,309 € 0,295 €	Min.: 1 Mult.: 1	11.0592 MHz	32 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 11.0592MHz SERIES ECS-110.5-S-4X ECS 1: 0,525 € 1.166In Stock	Mfr. Part No. ECS-110.5-S-4X Mouser Part No 520-HCU1105-SX	ECS	Crystals 11.0592MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	1.166In Stock	0,525 € 0,407 € 0,329 € 0,314 € View 0,312 € 0,299 € 0,292 € 0,286 € 0,284 €	Min.: 1 Mult.: 1	11.0592 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 12MHz 20pF EX/TEMP HC-49US ECS-120-20-4XDN ECS 1: 0,611 € 414In Stock	Mfr. Part No. ECS-120-20-4XDN Mouser Part No 520-HCU1200-20DNX	ECS	Crystals 12MHz 20pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	414In Stock	0,611 € 0,528 € 0,479 € 0,44 € View 0,421 € 0,411 € 0,378 € 0,359 € 0,33 €	Min.: 1 Mult.: 1	12 MHz	20 pF	30 PPM	100 PPM	HC-49/US	- 40 C	+ 85 C	Radial	60 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 12MHz 32pF ECS-120-32-4X ECS 1: 0,516 € 1.962In Stock	Mfr. Part No. ECS-120-32-4X Mouser Part No 520-HCU1200-32X	ECS	Crystals 12MHz 32pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1.962In Stock	0,516 € 0,452 € 0,409 € 0,377 € View 0,36 € 0,351 € 0,341 € 0,306 € 0,293 €	Min.: 1 Mult.: 1	12 MHz	32 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 12MHz SERIES ECS-120-S-4X ECS 1: 0,447 € 885In Stock	Mfr. Part No. ECS-120-S-4X Mouser Part No 520-HCU1200-SX	ECS	Crystals 12MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	885In Stock	0,447 € 0,446 € 0,415 € 0,382 € View 0,366 € 0,312 € 0,298 € 0,286 €	Min.: 1 Mult.: 1	12 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 12.288MHz Series -10C +70C ECS-122.8-20-4X ECS 1: 0,525 € 436In Stock	Mfr. Part No. ECS-122.8-20-4X Mouser Part No 520-HCU122.8-20-4X	ECS	Crystals 12.288MHz Series -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	436In Stock	0,525 € 0,494 € 0,469 € 0,426 € View 0,402 € 0,352 € 0,329 € 0,31 € 0,294 €	Min.: 1 Mult.: 1	12.288 MHz	20 pF	30 PPM	50 PPM	HC-49/USX	- 10 C	+ 70 C	Radial	60 Ohms	500 uW	11.35 mm	3.8 mm	3.5 mm	HCS-49USX	Bulk