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4 MHz Crystals

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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.	RoHS	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 4MHz 18pF 100ppm -40C +85C ECS-40-18-18-TR ECS 1: €3.18 239In Stock 1,000Expected 08/06/2027	Mfr. Part No. ECS-40-18-18-TR Mouser Part No 520-40-18-18-TR	ECS	Crystals 4MHz 18pF 100ppm -40C +85C	Datasheet	239In Stock 1,000Expected 08/06/2027	Cut Tape €3.18 €2.77 €2.61 €2.51 €2.46 Reel €2.46 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	18 pF	30 PPM	100 PPM	11.8 mm x 5.5 mm	- 40 C	+ 85 C	SMD/SMT	150 Ohms	100 uW	11.8 mm	5.5 mm	2.5 mm	CSM12	Reel, Cut Tape, MouseReel
Crystals 4MHz 18pF -10C +70C ECS-40-18-4XEN ECS 1: €0.447 3,003In Stock	Mfr. Part No. ECS-40-18-4XEN Mouser Part No 520-40-18-4XEN	ECS	Crystals 4MHz 18pF -10C +70C Learn More about ECS hc 49usx quartz crystals	Datasheet	3,003In Stock	€0.447 €0.351 €0.309 €0.30 View €0.292 €0.275 €0.248	Min.: 1 Mult.: 1		4 MHz	18 pF	30 PPM	50 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 20ppm 30ppm 18pF 150 Ohm Fundamental -40 C 85 C - Surface Mount HC49/US - 3 Lead 0.449" L x 0.185" W (11.40mm x 4.70mm) 0.165" (4.20mm) ECS-40-18-5G3X-JGN-TR ECS 1: €0.404 635In Stock	Mfr. Part No. ECS-40-18-5G3X-JGN-TR Mouser Part No 520-40-18-5G3X-JGNTR	ECS	Crystals 4MHz 20ppm 30ppm 18pF 150 Ohm Fundamental -40 C 85 C - Surface Mount HC49/US - 3 Lead 0.449" L x 0.185" W (11.40mm x 4.70mm) 0.165" (4.20mm) Learn More about ECS csm 7x 3l smd crystals	Datasheet	635In Stock	Cut Tape €0.404 €0.317 €0.288 €0.276 Reel €0.264 View €0.236 €0.226 €0.207 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	18 pF	20 PPM	30 PPM	11.4 mm x 4.7 mm	- 40 C	+ 85 C	SMD/SMT	150 Ohms	500 uW	11.4 mm	4.7 mm	4.2 mm	CSM-7X-3L	Reel, Cut Tape, MouseReel
Crystals SMD Crystal 4MHz, 25ppm, 18pF, 5PLX ECS-40-18-5PLX-AGN-TR ECS 1: €0.37 41In Stock 1,000Expected 16/11/2026	Mfr. Part No. ECS-40-18-5PLX-AGN-TR Mouser Part No 520-40-18-5PLX-AGNT	ECS	Crystals SMD Crystal 4MHz, 25ppm, 18pF, 5PLX Learn More about ECS csm 7x quartz crystals	Datasheet	41In Stock 1,000Expected 16/11/2026	Cut Tape €0.37 €0.295 €0.27 Reel €0.26 €0.221 View €0.203 €0.187 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	18 pF	25 PPM	30 PPM	HC-49/US	- 40 C	+ 85 C	SMD/SMT	30 Ohms	500 uW	11.4 mm	4.8 mm	3.2 mm	CSM-7X	Reel, Cut Tape, MouseReel
Crystals 4MHz 18pF 50ppm -40C +85C ECS-40-18-5PXEN-TR ECS 1: €0.292 1,590In Stock	Mfr. Part No. ECS-40-18-5PXEN-TR Mouser Part No 520-40-18-5PXEN	ECS	Crystals 4MHz 18pF 50ppm -40C +85C Learn More about ECS csm 7x quartz crystals	Datasheet	1,590In Stock	Cut Tape €0.292 €0.283 Reel €0.283 €0.257 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	18 pF	30 PPM	50 PPM	HC-49/US	- 40 C	+ 85 C	SMD/SMT	150 Ohms	500 uW	10.3 mm	4.8 mm	4.3 mm	CSM-7X	Reel, Cut Tape, MouseReel
Crystals 4.000 MHz 20 pF CSM-4AX +/-30/50 ppm -40 - +85C RoHS ECS-40-20-28AX-EN-TR ECS 1: €0.955 1,632In Stock	Mfr. Part No. ECS-40-20-28AX-EN-TR Mouser Part No 520-40-20-28AX-EN-TR	ECS	Crystals 4.000 MHz 20 pF CSM-4AX +/-30/50 ppm -40 - +85C RoHS Learn More about ECS csm 4ax smd crystals	Datasheet	1,632In Stock	Cut Tape €0.955 €0.753 €0.722 €0.683 Reel €0.627 View €0.655 €0.575 €0.504 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 40 C	+ 85 C	SMD/SMT	200 mOhms	500 uW	12.5 mm	4.85 mm	5 mm	CSM-4AX	Reel, Cut Tape, MouseReel
Crystals CRYSTAL 4.0000MHZ SERIES SMD,CSM-7X, 50ppm, 30ppm,Series,150 Ohm,Fundamental,-10 C 70 C,HC49/US,0.449" L x 0.189" W (11.40mm x 4.80mm),0.169" (4.30mm) ECS-40-S-5PX-TR ECS 1: €0.301 1,606In Stock	Mfr. Part No. ECS-40-S-5PX-TR Mouser Part No 520-40-S-5PX-TR	ECS	Crystals CRYSTAL 4.0000MHZ SERIES SMD,CSM-7X, 50ppm, 30ppm,Series,150 Ohm,Fundamental,-10 C 70 C,HC49/US,0.449" L x 0.189" W (11.40mm x 4.80mm),0.169" (4.30mm) Learn More about ECS csm 7x quartz crystals	Datasheet	1,606In Stock	Cut Tape €0.301 €0.238 €0.216 €0.207 Reel €0.198 View €0.185 €0.175 €0.172 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	Series	30 PPM	50 PPM	11.4 mm x 4.8 mm	- 10 C	+ 70 C	SMD/SMT	150 Ohms	500 uW	11.4 mm	4.8 mm	4.3 mm	CSM-7X	Reel, Cut Tape, MouseReel
Crystals HC-49USX, 4MHz, 18pF, +/-30ppm, +/-50ppm, -10C +70 C, RoHS ECS-40-18-4X ECS 1: €0.55 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 €0.55 €0.432 €0.385 Reel €0.385 €0.372 View €0.359 €0.315 €0.30 €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 4.000 MHz ECS-40-20-28AX-TR ECS 1: €0.955 468In Stock 1,000Expected 02/03/2027	Mfr. Part No. ECS-40-20-28AX-TR Mouser Part No 520-ECS-40-20-28A	ECS	Crystals 4.000 MHz	Datasheet	468In Stock 1,000Expected 02/03/2027	Cut Tape €0.955 €0.753 €0.722 €0.683 Reel €0.613 View €0.654 €0.582 €0.552 €0.534 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 70 C	SMD/SMT	200 Ohms	500 uW	12.5 mm	4.85 mm	5 mm	CSM-4AX	Reel, Cut Tape, MouseReel
Crystals 4MHz 18pF ECS-40-18-10X ECS 1: €0.783 217In Stock 2,000Expected 06/11/2026	Mfr. Part No. ECS-40-18-10X Mouser Part No 520-ECS-400-18-10X	ECS	Crystals 4MHz 18pF	Datasheet	217In Stock 2,000Expected 06/11/2026	€0.783 €0.614 €0.589 €0.55 View €0.506 €0.483	Min.: 1 Mult.: 1		4 MHz	18 pF	50 PPM	50 PPM	Cylinder	- 10 C	+ 60 C	Radial	150 Ohms	100 uW	10.5 mm			ECS-3X10X	Bulk
Crystals 4MHz 20pF ECS-40-20-1X ECS 1: €0.525 2,442In Stock	Mfr. Part No. ECS-40-20-1X Mouser Part No 520-HCA400-20X	ECS	Crystals 4MHz 20pF	Datasheet	2,442In Stock	€0.525 €0.417 €0.373 €0.361 View €0.347 €0.328 €0.314 €0.302	Min.: 1 Mult.: 1		4 MHz	20 pF	30 PPM	50 PPM	HC-49	- 10 C	+ 70 C	Radial	100 Ohms	1 mW	11.35 mm	4.65 mm	13.46 mm	HC49UX	Bulk
Crystals 4MHz SERIES ECS-40-S-1X ECS 1: €0.525 286In Stock	Mfr. Part No. ECS-40-S-1X Mouser Part No 520-HCA400-SX	ECS	Crystals 4MHz SERIES	Datasheet	286In Stock	€0.525 €0.417 €0.373 €0.361 View €0.324 €0.307 €0.288 €0.27	Min.: 1 Mult.: 1		4 MHz	Series	30 PPM	50 PPM	HC-49	- 10 C	+ 70 C	Radial	100 Ohms	1 mW	11.35 mm	4.65 mm	13.46 mm	HC49UX	Bulk
Crystals 4MHz 20pF EX/TEMP HC-49US ECS-40-20-4XDN ECS 1: €0.559 1,758In Stock	Mfr. Part No. ECS-40-20-4XDN Mouser Part No 520-HCU400-20DNX	ECS	Crystals 4MHz 20pF EX/TEMP HC-49US Learn More about ECS hc 49usx quartz crystals	Datasheet	1,758In Stock	€0.559 €0.44 €0.388 €0.378 View €0.366 €0.346 €0.321	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: €0.464 3,287In Stock 5,000Expected 06/11/2026	Mfr. Part No. ECS-40-20-4X Mouser Part No 520-HCU400-20X	ECS	Crystals 4MHz 20pF Learn More about ECS hc 49usx quartz crystals	Datasheet	3,287In Stock 5,000Expected 06/11/2026	€0.464 €0.371 €0.314 €0.304 View €0.294 €0.292 €0.276	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: €0.499 304In Stock	Mfr. Part No. ECS-40-S-4X Mouser Part No 520-HCU400-SX	ECS	Crystals 4MHz SERIES Learn More about ECS hc 49usx quartz crystals	Datasheet	304In Stock	€0.499 €0.397 €0.366 €0.356 View €0.324 €0.307 €0.293 €0.287 €0.278	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 4MHz 20pF ATS040 CTS Electronic Components 1: €0.327 792In Stock 5,000Expected 14/12/2026	Mfr. Part No. ATS040 Mouser Part No 774-ATS040	CTS Electronic Components	Crystals 4MHz 20pF	Datasheet	792In Stock 5,000Expected 14/12/2026	€0.327 €0.322 €0.321 €0.313	Min.: 1 Mult.: 1		4 MHz	20 pF	30 PPM	50 PPM	HC-49/US	- 20 C	+ 70 C	Radial	120 Ohms	100 uW	10.85 mm	4.5 mm	3.68 mm	ATS	Bulk
Crystals 4.0MHz 18pF Fund. -20C +70C ATS040B CTS Electronic Components 1: €0.705 227In Stock	Mfr. Part No. ATS040B Mouser Part No 774-ATS040B	CTS Electronic Components	Crystals 4.0MHz 18pF Fund. -20C +70C	Datasheet	227In Stock	€0.705 €0.601 €0.57 €0.517 View €0.443 €0.429 €0.411 €0.389 €0.345	Min.: 1 Mult.: 1		4 MHz	18 pF	30 PPM	50 PPM	HC-49/U	- 20 C	+ 70 C	Radial	120 Ohms	100 uW	10.85 mm	4.5 mm	3.68 mm	ATS	Bulk
Crystals 4MHz 18pF Fund. -40C +85C ATS040B-E CTS Electronic Components 1: €0.568 1,676In Stock	Mfr. Part No. ATS040B-E Mouser Part No 774-ATS040B-E	CTS Electronic Components	Crystals 4MHz 18pF Fund. -40C +85C	Datasheet	1,676In Stock	€0.568 €0.493 €0.447 €0.428 View €0.40 €0.388 €0.352 €0.335	Min.: 1 Mult.: 1		4 MHz	18 pF	30 PPM	50 PPM	HC-49/U	- 40 C	+ 85 C	Radial	120 Ohms	100 uW	10.85 mm	4.5 mm	3.68 mm	ATS	Bulk
Crystals 4MHz 18pF Fund. -20C +70C ATS040BSM-1 CTS Electronic Components 1: €0.559 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. ATS040BSM-1 Mouser Part No 774-ATS040BSM-1	CTS Electronic Components	Crystals 4MHz 18pF Fund. -20C +70C	Datasheet	Non-Stocked Lead-Time 13 Weeks	Cut Tape €0.559 €0.489 €0.444 €0.426 Reel €0.369 View €0.402 €0.386 €0.345 €0.313 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	18 pF	30 PPM	50 PPM	HC-49/US-SM	- 20 C	+ 70 C	SMD/SMT	120 Ohms	100 uW	12.3 mm	4.83 mm	4.3 mm	ATS-SM	Reel, Cut Tape, MouseReel
Crystals 4.00000 MHz 20pF MP040 CTS Electronic Components 1: €0.757 1,268In Stock 10,000Expected 15/02/2027	Mfr. Part No. MP040 Mouser Part No 774-MP040	CTS Electronic Components	Crystals 4.00000 MHz 20pF	Datasheet	1,268In Stock 10,000Expected 15/02/2027	€0.757 €0.656 €0.595 €0.57 View €0.533 €0.517 €0.495 €0.469 €0.466	Min.: 1 Mult.: 1		4 MHz	20 pF	30 PPM	50 PPM	HC-49/U	- 20 C	+ 70 C	Radial	100 Ohms	100 uW	10.85 mm	3.8 mm	13.46 mm	MP	Bulk
Crystals 4MHz 18pF HC49S THROUGH HOLE HC-49/U-S4000000ABJB Citizen FineDevice 1: €0.439 189In Stock 1,000Expected 11/01/2027	Mfr. Part No. HC-49/U-S4000000ABJB Mouser Part No 695-HC49US-4-U	Citizen FineDevice	Crystals 4MHz 18pF HC49S THROUGH HOLE	Datasheet	189In Stock 1,000Expected 11/01/2027	€0.439 €0.383 €0.354 €0.331 View €0.313 €0.299 €0.286 €0.267 €0.261	Min.: 1 Mult.: 1		4 MHz	18 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 60 C	Radial	150 Ohms	100 uW	11.5 mm	4.66 mm	3.5 mm	HC-49/US	Bulk
Crystals 4MHz 12pF -10C 60C IQD LFXTAL031848 LFXTAL031848 IQD 1: €0.335 40In Stock	Mfr. Part No. LFXTAL031848 Mouser Part No 449-LFXTAL031848	IQD	Crystals 4MHz 12pF -10C 60C	Datasheet	40In Stock	Cut Tape €0.335 €0.286 €0.272 View Reel €0.198 €0.247 €0.234 €0.198 €0.189 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	12 pF	30 PPM	50 PPM		- 10 C	+ 60 C	SMD/SMT		500 uW					Reel, Cut Tape, MouseReel
Crystals 4MHz 20pF EX/TEMP CSM-7 ECS-40-20-5PDN-TR ECS 1: €0.894 17In Stock NRND	Mfr. Part No. ECS-40-20-5PDN-TR Mouser Part No 520-CSM400-20DN NRND	ECS	Crystals 4MHz 20pF EX/TEMP CSM-7	Datasheet	17In Stock	Cut Tape €0.894 €0.698 €0.67 €0.637 Reel €0.581 View €0.605 €0.501 €0.48	Min.: 1 Mult.: 1 : 1,000	No	4 MHz	20 pF	30 PPM	100 PPM		- 40 C	+ 85 C	SMD/SMT	150 Ohms	500 uW	11.4 mm	4.8 mm	4.3 mm	CSM-7	Reel, Cut Tape
Crystals 4MHz 18pF HC49S SMD HCM494000000ABJT Citizen FineDevice 1: €0.404 38In Stock 4,000Expected 26/11/2026	Mfr. Part No. HCM494000000ABJT Mouser Part No 695-HCM494.0ABJT	Citizen FineDevice	Crystals 4MHz 18pF HC49S SMD	Datasheet	38In Stock 4,000Expected 26/11/2026	Cut Tape €0.404 €0.352 €0.319 €0.306 Reel €0.265 View €0.289 €0.277 €0.248 €0.24 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	18 pF	30 PPM	50 PPM	HC-49/US	- 10 C	+ 60 C	SMD/SMT	150 Ohms	100 uW	11.4 mm	4.7 mm	4.3 mm	HCM49	Reel, Cut Tape, MouseReel
Crystals 4 MHZ 18PF CSM7 ECS-040-18-5PX-TR ECS 1: €0.611 972In Stock Factory Special Order	Mfr. Part No. ECS-040-18-5PX-TR Mouser Part No 520-CSM400X-18 Factory Special Order	ECS	Crystals 4 MHZ 18PF CSM7 Learn More about ECS csm 7x quartz crystals	Datasheet	972In Stock	Cut Tape €0.611 €0.481 €0.435 €0.418 Reel View €0.40 €0.378 €0.36 €0.321 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		4 MHz	18 pF	30 PPM	50 PPM	HC-49/USX	- 10 C	+ 70 C	SMD/SMT			13.2 mm	4.8 mm	4.3 mm	CSM-7X	Reel, Cut Tape, MouseReel