Crystals – Mouser Japan

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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 (JPY) 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 27.0Mhz 18pF -10C +70C ECS-270-18-4X-F ECS 1: ¥96.3 270In Stock	Mfr. Part # ECS-270-18-4X-F Mouser Part # 520-HCU270-18-4X-F	ECS	Crystals 27.0Mhz 18pF -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	270In Stock	¥96.3 ¥80.2 ¥70.6 ¥68.8 View ¥62.1 ¥58.8 ¥56.3 ¥53.5	Min.: 1 Mult.: 1	27 MHz	18 pF	30 PPM	50 PPM	HC-49/USX	- 10 C	+ 70 C	Radial	30 Ohms	500 uW	11.35 mm	3.8 mm	3.5 mm	HCS-49USX	Bulk
Crystals 3.579545MHz 17pF ECS-35-17-4X ECS 1: ¥94.7 1,247In Stock	Mfr. Part # ECS-35-17-4X Mouser Part # 520-HCU357-17X	ECS	Crystals 3.579545MHz 17pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1,247In Stock	¥94.7 ¥75.2 ¥68.1 ¥67.9 View ¥57.8 ¥55.1 ¥52.3	Min.: 1 Mult.: 1	3.579545 MHz	17 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	200 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 3.579545MHz SERIES ECS-35-S-4X ECS 1: ¥106.3 120In Stock 1,000Expected 11/2/2026	Mfr. Part # ECS-35-S-4X Mouser Part # 520-HCU357-SX	ECS	Crystals 3.579545MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	120In Stock 1,000Expected 11/2/2026	¥106.3 ¥83.4 ¥74.4 ¥71.9 View ¥69.4 ¥61 ¥59.3 ¥56.3	Min.: 1 Mult.: 1	3.579545 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	200 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 3.6864MHz 100ppm ECS-36-18-4XDN ECS 1: ¥184.4 91In Stock	Mfr. Part # ECS-36-18-4XDN Mouser Part # 520-HCU368-18DNX	ECS	Crystals 3.6864MHz 100ppm Learn More about ECS hc 49usx quartz crystals	Datasheet	91In Stock	¥184.4 ¥145.5 ¥133.7 ¥128.2 View ¥125.1 ¥121.1 ¥114.3 ¥112	Min.: 1 Mult.: 1	3.6864 MHz	18 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 3.6864MHz 18pF ECS-36-18-4X ECS 1: ¥93 2,767In Stock	Mfr. Part # ECS-36-18-4X Mouser Part # 520-HCU368-18X	ECS	Crystals 3.6864MHz 18pF Learn More about ECS hc 49usx quartz crystals	Datasheet	2,767In Stock	¥93 ¥75.1 ¥67.9 ¥66.1 View ¥64.1 ¥60.5 ¥58.8	Min.: 1 Mult.: 1	3.6864 MHz	18 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	200 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 3.6864MHz 20pF EX/TEMP HC-49US ECS-36-20-4XDN ECS 1: ¥112.9 571In Stock	Mfr. Part # ECS-36-20-4XDN Mouser Part # 520-HCU368-20DNX	ECS	Crystals 3.6864MHz 20pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	571In Stock	¥112.9 ¥89.4 ¥81.6 ¥81.4 View ¥71.9 ¥68.8 ¥63.6 ¥60.8	Min.: 1 Mult.: 1	3.6864 MHz	20 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 3.6864MHz SERIES ECS-36-S-4X ECS 1: ¥106.3 14In Stock	Mfr. Part # ECS-36-S-4X Mouser Part # 520-HCU368-SX	ECS	Crystals 3.6864MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	14In Stock	¥106.3 ¥83.4 ¥74.4 ¥71.9 View ¥63.3 ¥60 ¥57.1 ¥54.8	Min.: 1 Mult.: 1	3.6864 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	200 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 4MHz 20pF EX/TEMP HC-49US ECS-40-20-4XDN ECS 1: ¥108 1,968In Stock	Mfr. Part # ECS-40-20-4XDN Mouser Part # 520-HCU400-20DNX	ECS	Crystals 4MHz 20pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	1,968In Stock	¥108 ¥85 ¥74.9 ¥72.9 View ¥70.8 ¥66.8 ¥62	Min.: 1 Mult.: 1	4 MHz	20 pF	30 PPM	100 PPM	HC-49/US	- 40 C	+ 85 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 4MHz 20pF ECS-40-20-4X ECS 1: ¥89.7 3,337In Stock 5,000Expected 2/3/2027	Mfr. Part # ECS-40-20-4X Mouser Part # 520-HCU400-20X	ECS	Crystals 4MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	3,337In Stock 5,000Expected 2/3/2027	¥89.7 ¥71.6 ¥60.6 ¥58.6 View ¥56.8 ¥56.3 ¥53.3	Min.: 1 Mult.: 1	4 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 4MHz SERIES ECS-40-S-4X ECS 1: ¥99.7 304In Stock	Mfr. Part # ECS-40-S-4X Mouser Part # 520-HCU400-SX	ECS	Crystals 4MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	304In Stock	¥99.7 ¥78.7 ¥70.6 ¥68.8 View ¥63.9 ¥60.6 ¥58 ¥54.8	Min.: 1 Mult.: 1	4 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals CRYSTAL 4.032MHz ECS-40.3-20-4X ECS 1: ¥112.9 1,016In Stock	Mfr. Part # ECS-40.3-20-4X Mouser Part # 520-HCU403-20X	ECS	Crystals CRYSTAL 4.032MHz Learn More about ECS hc 49usx quartz crystals	Datasheet	1,016In Stock	¥112.9 ¥89.4 ¥81.6 ¥81.4 View ¥80.2 ¥68.8 ¥63.6 ¥60.8	Min.: 1 Mult.: 1	4.032 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals CRYSTAL 4.032MHz ECS-40.3-S-4X ECS 1: ¥106.3 9In Stock	Mfr. Part # ECS-40.3-S-4X Mouser Part # 520-HCU403-SX	ECS	Crystals CRYSTAL 4.032MHz Learn More about ECS hc 49usx quartz crystals	Datasheet	9In Stock	¥106.3 ¥83.4 ¥74.4 ¥68.1 View ¥64.8 ¥61 ¥59.3 ¥56.3	Min.: 1 Mult.: 1	4.032 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals CRYSTAL 4.096MHz ECS-41-20-4X ECS 1: ¥101.3 437In Stock	Mfr. Part # ECS-41-20-4X Mouser Part # 520-HCU409-20X	ECS	Crystals CRYSTAL 4.096MHz Learn More about ECS hc 49usx quartz crystals	Datasheet	437In Stock	¥101.3 ¥80.2 ¥70.6 ¥66.9 View ¥62.8 ¥59.5 ¥56.6 ¥53.8	Min.: 1 Mult.: 1	4.096 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 4.194304MHz 12pF ECS-42-12-4X ECS 1: ¥101.3 936In Stock	Mfr. Part # ECS-42-12-4X Mouser Part # 520-HCU419-12X	ECS	Crystals 4.194304MHz 12pF Learn More about ECS hc 49usx quartz crystals	Datasheet	936In Stock	¥101.3 ¥80.2 ¥70.6 ¥68.8 View ¥62.8 ¥59.5 ¥56.6 ¥53.8	Min.: 1 Mult.: 1	4.194304 MHz	12 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals CRYSTAL 4.194304MHz ECS-42-16-4X ECS 1: ¥101.3 407In Stock	Mfr. Part # ECS-42-16-4X Mouser Part # 520-HCU419-16X	ECS	Crystals CRYSTAL 4.194304MHz Learn More about ECS hc 49usx quartz crystals	Datasheet	407In Stock	¥101.3 ¥80.2 ¥70.6 ¥66.9 View ¥62.3 ¥59 ¥56.3 ¥53.7	Min.: 1 Mult.: 1	4.194304 MHz	16 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 4.433618MHz 20pF ECS-44-20-4X ECS 1: ¥96.3 712In Stock	Mfr. Part # ECS-44-20-4X Mouser Part # 520-HCU443-20X	ECS	Crystals 4.433618MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	712In Stock	¥96.3 ¥76.7 ¥69.4 ¥68.8 View ¥62.1 ¥58.8 ¥56.1 ¥53.5	Min.: 1 Mult.: 1	4.433618 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 4.9152MHz 20pF ECS-49-20-4X ECS 1: ¥101.3 1,082In Stock	Mfr. Part # ECS-49-20-4X Mouser Part # 520-HCU491-20X	ECS	Crystals 4.9152MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	1,082In Stock	¥101.3 ¥80.2 ¥70.6 ¥68.8 View ¥68.3 ¥59 ¥56.3 ¥53.5	Min.: 1 Mult.: 1	4.9152 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 4.9152MHz SERIES ECS-49-S-4X ECS 1: ¥106.3 77In Stock	Mfr. Part # ECS-49-S-4X Mouser Part # 520-HCU491-SX	ECS	Crystals 4.9152MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	77In Stock	¥106.3 ¥83.4 ¥70.4 ¥67.4 View ¥63.5 ¥59.5 ¥56.6 ¥53.3	Min.: 1 Mult.: 1	4.9152 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	150 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 5MHz 20pF ECS-50-20-4X ECS 1: ¥101.3 488In Stock	Mfr. Part # ECS-50-20-4X Mouser Part # 520-HCU500-20X	ECS	Crystals 5MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	488In Stock	¥101.3 ¥79.6 ¥70.1 ¥68.3 View ¥66.1 ¥61.5 ¥59.1 ¥56.3	Min.: 1 Mult.: 1	5 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	120 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 5MHz SERIES ECS-50-S-4X ECS 1: ¥101.3 87In Stock	Mfr. Part # ECS-50-S-4X Mouser Part # 520-HCU500-SX	ECS	Crystals 5MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	87In Stock	¥101.3 ¥80.2 ¥70.6 ¥66.9 View ¥62.3 ¥59 ¥56.3 ¥53.7	Min.: 1 Mult.: 1	5 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	120 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 5.0688MHz 20pF ECS-51-20-4X ECS 1: ¥101.3 493In Stock	Mfr. Part # ECS-51-20-4X Mouser Part # 520-HCU506-20X	ECS	Crystals 5.0688MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	493In Stock	¥101.3 ¥80.2 ¥70.6 ¥68.8 View ¥62.3 ¥59 ¥56.3 ¥53.7	Min.: 1 Mult.: 1	5.0688 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	120 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 6MHz 32pF EX/TEMP HC-49US ECS-60-32-4XDN ECS 1: ¥117.9 100In Stock	Mfr. Part # ECS-60-32-4XDN Mouser Part # 520-HCU600-32DNX	ECS	Crystals 6MHz 32pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	100In Stock	¥117.9 ¥92.5 ¥81.6 ¥78.1 View ¥72.1 ¥68.9 ¥63.3 ¥60.5	Min.: 1 Mult.: 1	6 MHz	32 pF	30 PPM	100 PPM	HC-49/US	- 40 C	+ 85 C	Radial	100 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 6MHz 32pF ECS-60-32-4X ECS 1: ¥96.3 777In Stock	Mfr. Part # ECS-60-32-4X Mouser Part # 520-HCU600-32X	ECS	Crystals 6MHz 32pF Learn More about ECS hc 49usx quartz crystals	Datasheet	777In Stock	¥96.3 ¥76.7 ¥69.4 ¥68.8 View ¥62.1 ¥58.8 ¥56.3 ¥53.5	Min.: 1 Mult.: 1	6 MHz	32 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	100 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 6MHz SERIES ECS-60-S-4X ECS 1: ¥101.3 344In Stock	Mfr. Part # ECS-60-S-4X Mouser Part # 520-HCU600-SX	ECS	Crystals 6MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	344In Stock	¥101.3 ¥80.2 ¥70.6 ¥66.9 View ¥63.8 ¥60 ¥58.1 ¥54.8	Min.: 1 Mult.: 1	6 MHz	Series	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	100 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk
Crystals 6.144MHz 32pF ECS-61-32-4X ECS 1: ¥96.3 775In Stock	Mfr. Part # ECS-61-32-4X Mouser Part # 520-HCU614-32X	ECS	Crystals 6.144MHz 32pF Learn More about ECS hc 49usx quartz crystals	Datasheet	775In Stock	¥96.3 ¥77.1 ¥67.6 ¥67.4 View ¥65.3 ¥62.8 ¥56.3 ¥53.7	Min.: 1 Mult.: 1	6.144 MHz	32 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	Radial	100 Ohms	500 uW	11.35 mm	4.65 mm	3.5 mm	HCS-49USX	Bulk

3.579545 MHz
3.6864 MHz
4 MHz
4.032 MHz
4.096 MHz
4.194304 MHz
4.433618 MHz
4.9152 MHz
5 MHz
5.0688 MHz
6 MHz
6.144 MHz
6.5 MHz
7.3728 MHz
7.68 MHz
8 MHz
8.5 MHz
9 MHz
9.216 MHz
9.545 MHz