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4 MHz Crystals

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 4MHz 20pF -40C +85C ECS-40-20-4X-DN-TR ECS 1: $0.80 579In Stock Factory Special Order	Mfr. Part No. ECS-40-20-4X-DN-TR Mouser Part No 520-ECS-40-20-4XDN-T Factory Special Order	ECS	Crystals 4MHz 20pF -40C +85C Learn More about ECS hc 49usx quartz crystals	Datasheet	579In Stock	$0.80 $0.623 $0.564 $0.542 View $0.519 $0.49 $0.467 $0.416	Min.: 1 Mult.: 1	4 MHz	20 pF	30 PPM	50 PPM	HC-49/USX	- 40 C	+ 85 C	Radial	150 Ohms	500 uW	11.35 mm	3.8 mm	3.5 mm	HCS-49USX
Crystals WE-XTAL 4.0MHz 50ppm 13.4 x 4.9mm 830003071 Wurth Elektronik 1: $0.57 965Expected 09/11/2026	Mfr. Part No. 830003071 Mouser Part No 710-830003071	Wurth Elektronik	Crystals WE-XTAL 4.0MHz 50ppm 13.4 x 4.9mm Learn More about Wurth Elektronik wurth crystals	Datasheet	965Expected 09/11/2026	Cut Tape $0.57 $0.472 $0.425 $0.377 $0.358 Reel $0.30	Min.: 1 Mult.: 1 : 1,000	4 MHz	16 pF	30 PPM	50 PPM	11.4 mm x 4.9 mm	- 10 C	+ 60 C	SMD/SMT	130 Ohms	500 uW	12.4 mm	4.7 mm	4.5 mm	WE-XTAL	Reel, Cut Tape
Crystals HC49 SMD MHz Quartz Xtal / Metal, +/-30ppm a.25C, +/-30ppm (-40 to 85C), 18pF TXC Corporation QT49S-4.000MAHJ-T QT49S-4.000MAHJ-T TXC Corporation 1: $0.45 1,189In Stock 2,000Expected 21/12/2026	Mfr. Part No. QT49S-4.000MAHJ-T Mouser Part No 717-49S-4.000MAHJ-T	TXC Corporation	Crystals HC49 SMD MHz Quartz Xtal / Metal, +/-30ppm a.25C, +/-30ppm (-40 to 85C), 18pF	Datasheet	1,189In Stock 2,000Expected 21/12/2026	Cut Tape $0.45 $0.436 $0.362 Reel $0.308 $0.275 $0.266	Min.: 1 Mult.: 1 : 1,000	4 MHz	18 pF	30 PPM	30 PPM	12.7 mm x 4.8 mm	- 40 C	+ 85 C	SMD/SMT	150 Ohms	100 uW	12.7 mm	4.8 mm	3.8 mm		Reel, Cut Tape
Crystals 4MHz 20pF ATS040SM-1 CTS Electronic Components 1: $0.31 14,391Expected 22/02/2027	Mfr. Part No. ATS040SM-1 Mouser Part No 774-ATS040SM-1	CTS Electronic Components	Crystals 4MHz 20pF	Datasheet	14,391Expected 22/02/2027	Cut Tape $0.31 $0.273 $0.248 $0.238 Reel $0.206 View $0.225 $0.216 $0.193 $0.187 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	4 MHz	20 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 SMD Crystal 4MHz, 25ppm, 18pF, 5PLX ECS-40-18-5PLX-AGN-TR ECS 1: $0.43 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 $0.43 $0.343 $0.314 Reel $0.302 $0.257 View $0.236 $0.218 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 Crystal Metal Can 49SMLB04.0000-20GHE-E(T) Diodes Incorporated 1: $0.59 2,000Factory Stock Available	Mfr. Part No. 49SMLB04.0000-20GHE-E(T) Mouser Part No 729-49SMLB040020GHET	Diodes Incorporated	Crystals Crystal Metal Can Learn More about Diodes Incorporated diodes timing solutions	Datasheet	2,000Factory Stock Available More Info Available	Cut Tape $0.59 $0.502 $0.476 $0.434 Reel $0.376 View $0.412 $0.393 $0.358	Min.: 1 Mult.: 1 : 1,000	4 MHz	20 pF	30 PPM	50 PPM		- 40 C	+ 85 C	SMD/SMT		100 uW	11.5 mm	4.5 mm	4 mm		Reel, Cut Tape
Crystals 4MHz 18pF HC49S SMD HCM494000000ABJT Citizen FineDevice 1: $0.47 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 $0.47 $0.409 $0.371 $0.356 Reel $0.308 View $0.336 $0.322 $0.288 $0.279 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 HC49 4.0MHz 20/10/-20 to 70C/30 FUND 11.05 x 4.65 x 13.46 LFXTAL003067B IQD 1: $1.40 Non-Stocked Lead-Time 7 Weeks New At Mouser	Mfr. Part No. LFXTAL003067B Mouser Part No 449-LFXTAL003067B New At Mouser	IQD	Crystals HC49 4.0MHz 20/10/-20 to 70C/30 FUND 11.05 x 4.65 x 13.46	Datasheet	Non-Stocked Lead-Time 7 Weeks	$1.40 $1.22 $1.19 $1.00 View $0.997 $0.956 $0.865 $0.864 $0.84	Min.: 1 Mult.: 1	4 MHz	30 pF	20 PPM	10 PPM	HC49-2	- 20 C	+ 70 C	Radial	100 Ohms	1 mW	11.05 mm	4.7 mm	13.49 mm	HC49	Bulk
Crystals 4MHz 20pF -20C 70C LFXTAL019833 IQD 1: $0.42 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. LFXTAL019833 Mouser Part No 449-LFXTAL019833	IQD	Crystals 4MHz 20pF -20C 70C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked Lead-Time 6 Weeks	Cut Tape $0.42 $0.354 $0.336 $0.306 Reel $0.242 View $0.29 $0.276 $0.238 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	4 MHz	20 pF		50 PPM	HC-49/S	- 20 C	+ 70 C	SMD/SMT	130 Ohms	500 uW	11.4 mm	4.9 mm	4.3 mm	HC49/4HSMX	Reel, Cut Tape, MouseReel
Crystals 4.0MHz 13.4 x 4.9 x 4.3mm LFXTAL034654 IQD 1: $0.37 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. LFXTAL034654 Mouser Part No 449-LFXTAL034654	IQD	Crystals 4.0MHz 13.4 x 4.9 x 4.3mm	Datasheet	Non-Stocked Lead-Time 6 Weeks	Cut Tape $0.37 $0.321 $0.291 $0.279 Reel $0.242 View $0.264 $0.253 $0.226 $0.219 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	4 MHz	18 pF	20 PPM	50 PPM		- 20 C	+ 70 C	SMD/SMT		500 uW	13.4 mm	4.9 mm	4.3 mm		Reel, Cut Tape, MouseReel
Crystals 4MHz 20pF -40C 85C LFXTAL051413 IQD 1: $0.37 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. LFXTAL051413 Mouser Part No 449-LFXTAL051413	IQD	Crystals 4MHz 20pF -40C 85C	Datasheet	Non-Stocked Lead-Time 6 Weeks	Cut Tape $0.37 $0.321 $0.291 $0.279 Reel $0.242 View $0.264 $0.253 $0.226 $0.219 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	4 MHz					- 40 C	+ 85 C	SMD/SMT	130 Ohms	500 uW	11.4 mm	4.9 mm	4.3 mm		Reel, Cut Tape, MouseReel
Crystals 4MHz 20pF LFXTAL078542 IQD 1: $0.42 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. LFXTAL078542 Mouser Part No 449-LFXTAL078542	IQD	Crystals 4MHz 20pF Learn More about IQD hc49x crystals	Datasheet	Non-Stocked Lead-Time 6 Weeks	Cut Tape $0.42 $0.354 $0.336 $0.306 Reel $0.242 View $0.29 $0.276 $0.238 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	4 MHz	20 pF	30 PPM	50 PPM	HC49/4HSMX	- 10 C	+ 70 C	SMD/SMT	130 Ohms	500 uW	11.4 mm	3.8 mm	4.3 mm	HC49/4HSMX	Reel, Cut Tape, MouseReel
Crystals 4.0MHz 30ppm 0C +70C FQ1045A-4.000 Fox / Abracon 1,000: $1.30 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. FQ1045A-4.000 Mouser Part No 559-FQ1045A-4	Fox / Abracon	Crystals 4.0MHz 30ppm 0C +70C	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $1.30 $1.26	Min.: 1,000 Mult.: 1,000 : 1,000	4 MHz	10 pF	30 PPM	30 PPM	10 mm x 4.5 mm	0 C	+ 70 C	SMD/SMT	150 Ohms	0.5 mW	10 mm	4.5 mm	1.7 mm		Reel
Crystals 4MHz 30pF -10C 60C LFXTAL003068Reel IQD 1: $0.51 Non-Stocked	Mfr. Part No. LFXTAL003068Reel Mouser Part No 449-LFXTAL003068REEL	IQD	Crystals 4MHz 30pF -10C 60C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	Cut Tape $0.51 $0.436 $0.414 $0.376 Reel $0.302 View $0.357 $0.288 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	4 MHz	30 pF	20 PPM	50 PPM	HC-49	- 10 C	+ 60 C	Radial	100 Ohms	1 mW		10.2 mm	13.46 mm	HC49	Reel, Cut Tape, MouseReel
Crystals 4MHz 30pF -10C 60C LFXTAL003074Reel IQD 1: $0.48 Non-Stocked	Mfr. Part No. LFXTAL003074Reel Mouser Part No 449-LFXTAL003074REEL	IQD	Crystals 4MHz 30pF -10C 60C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	Cut Tape $0.48 $0.411 $0.39 $0.354 Reel $0.285 View $0.336 $0.284 $0.272 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	4 MHz	30 pF	20 PPM	50 PPM	HC-49/4H	- 10 C	+ 60 C	Radial	130 Ohms	500 uW	11.05 mm	4.7 mm	4.3 mm	HC49/4H	Reel, Cut Tape, MouseReel
Crystals 4MHz 20pF -20C 70C LFXTAL011512Bulk IQD 1: $1.09 Non-Stocked	Mfr. Part No. LFXTAL011512Bulk Mouser Part No 449-LFXTAL011512BULK	IQD	Crystals 4MHz 20pF -20C 70C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	$1.09 $0.932 $0.911 $0.773 View $0.726 $0.725 $0.694 $0.647 $0.613	Min.: 1 Mult.: 1	4 MHz	20 pF	30 PPM	50 PPM	HC-49	- 20 C	+ 70 C	Radial	100 Ohms	1 mW				HC49	Bulk
Crystals 4MHz Series -20C 70C LFXTAL012065Bulk IQD 1: $1.09 Non-Stocked	Mfr. Part No. LFXTAL012065Bulk Mouser Part No 449-LFXTAL012065BULK	IQD	Crystals 4MHz Series -20C 70C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	$1.09 $0.932 $0.911 $0.773 View $0.726 $0.725 $0.694 $0.647 $0.613	Min.: 1 Mult.: 1	4 MHz	Series	20 PPM	50 PPM	HC-49	- 20 C	+ 70 C	Radial	100 Ohms	1 mW				HC49	Bulk
Crystals 4MHz 18pF -20C 70C LFXTAL012086Bulk IQD 1: $0.50 Non-Stocked	Mfr. Part No. LFXTAL012086Bulk Mouser Part No 449-LFXTAL012086BULK	IQD	Crystals 4MHz 18pF -20C 70C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	$0.50 $0.426 $0.416 $0.353 View $0.348 $0.331 $0.316 $0.295 $0.282	Min.: 1 Mult.: 1	4 MHz	18 pF	20 PPM	20 PPM	HC-49/4H	- 20 C	+ 70 C	Radial	130 Ohms	500 uW	11.05 mm	4.7 mm	4.3 mm	HC49/4H	Bulk
Crystals 4MHz 20pF -10C 60C LFXTAL012094Bulk IQD 1: $1.09 Non-Stocked	Mfr. Part No. LFXTAL012094Bulk Mouser Part No 449-LFXTAL012094BULK	IQD	Crystals 4MHz 20pF -10C 60C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	$1.09 $0.932 $0.911 $0.773 View $0.726 $0.725 $0.694 $0.647 $0.613	Min.: 1 Mult.: 1	4 MHz	20 pF	20 PPM	50 PPM	HC-49	- 10 C	+ 60 C	Radial	100 Ohms	1 mW				HC49	Bulk
Crystals 4MHz 30pF -20C 70C LFXTAL016799Bulk IQD 1: $0.26 Non-Stocked	Mfr. Part No. LFXTAL016799Bulk Mouser Part No 449-LFXTAL016799BULK	IQD	Crystals 4MHz 30pF -20C 70C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	$0.26 $0.221 $0.215 $0.182 View $0.179 $0.17 $0.163 $0.152 $0.145	Min.: 1 Mult.: 1	4 MHz	30 pF	50 PPM	50 PPM	HC-49/4H	- 20 C	+ 70 C	Radial	130 Ohms	500 uW	11.05 mm	4.7 mm	4.3 mm	HC49/4H	Bulk
Crystals 4MHz 20pF -10C 60C LFXTAL020284Bulk IQD 1: $0.50 Non-Stocked	Mfr. Part No. LFXTAL020284Bulk Mouser Part No 449-LFXTAL020284BULK	IQD	Crystals 4MHz 20pF -10C 60C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	$0.50 $0.426 $0.416 $0.353 View $0.348 $0.331 $0.316 $0.295 $0.282	Min.: 1 Mult.: 1	4 MHz	20 pF	20 PPM	30 PPM	HC-49/4H	- 10 C	+ 60 C	Radial	130 Ohms	500 uW	11.05 mm	4.7 mm	4.3 mm	HC49/4H	Bulk
Crystals 4MHz 18pF -20C 70C LFXTAL027298Reel IQD 1: $0.38 Non-Stocked	Mfr. Part No. LFXTAL027298Reel Mouser Part No 449-LFXTAL027298REEL	IQD	Crystals 4MHz 18pF -20C 70C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	Cut Tape $0.38 $0.322 $0.306 $0.278 Reel $0.223 View $0.264 $0.213 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	4 MHz	18 pF	30 PPM	50 PPM	HC-49/4H	- 20 C	+ 70 C	Radial	130 Ohms	500 uW	11.05 mm	4.7 mm	4.3 mm	HC49/4H	Reel, Cut Tape, MouseReel
Crystals 4MHz 22pF -10C 60C LFXTAL028858Bulk IQD 1: $0.50 Non-Stocked	Mfr. Part No. LFXTAL028858Bulk Mouser Part No 449-LFXTAL028858BULK	IQD	Crystals 4MHz 22pF -10C 60C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	$0.50 $0.426 $0.416 $0.353 View $0.348 $0.331 $0.316 $0.295 $0.282	Min.: 1 Mult.: 1	4 MHz	22 pF	30 PPM	50 PPM	HC-49/4H	- 10 C	+ 60 C	Radial	130 Ohms	500 uW	11.05 mm	4.7 mm	4.3 mm	HC49/4H	Bulk
Crystals 4MHz Series -20C 70C LFXTAL034500Bulk IQD 1: $0.53 Non-Stocked	Mfr. Part No. LFXTAL034500Bulk Mouser Part No 449-LFXTAL034500BULK	IQD	Crystals 4MHz Series -20C 70C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	$0.53 $0.452 $0.441 $0.374 View $0.369 $0.35 $0.335 $0.313 $0.299	Min.: 1 Mult.: 1	4 MHz	Series	20 PPM	20 PPM	HC-49/4H	- 20 C	+ 70 C	Radial	130 Ohms	500 uW	11.05 mm	4.7 mm	4.3 mm	HC49/4H	Bulk
Crystals 4MHz Series -20C 70C LFXTAL034547Bulk IQD 1: $0.50 Non-Stocked	Mfr. Part No. LFXTAL034547Bulk Mouser Part No 449-LFXTAL034547BULK	IQD	Crystals 4MHz Series -20C 70C Learn More about IQD hc49x crystals	Datasheet	Non-Stocked	$0.50 $0.426 $0.416 $0.353 View $0.348 $0.331 $0.316 $0.295 $0.282	Min.: 1 Mult.: 1	4 MHz	Series	20 PPM	30 PPM	HC-49/4H	- 20 C	+ 70 C	Radial	130 Ohms	500 uW	11.05 mm	4.7 mm	4.3 mm	HC49/4H	Bulk