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CSM-3x/HC-46x Miniature Quartz Crystals

ECS 3x/46x Low Profile Miniature Quartz Crystals are cost-effective and available in two series, the CSM-3X and the HC-46X. The HC-46X Series weld type through-hole quartz crystals reduce the footprint of HC-49USX by 50%. The CSM-3X Series is the miniature low profile resistance weld type SMD quartz crystal and reduces the footprint of CSM-7X (HC-49USX SMD) by 50%. Both the ECS CSM-3X and HC-46X Quartz Crystals are lead-free and ROHS compliant.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) 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 20MHz 20pF 50ppm -40C +85C ECS-200-20-3X-EN-TR ECS 1: S/ 1.40 8,511In Stock	Mfr. Part # ECS-200-20-3X-EN-TR Mouser Part # 520-200-20-3XENT	ECS	Crystals 20MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	8,511In Stock	Cut Tape S/ 1.40 S/ 1.16 S/ 1.07 S/ 1.04 Reel S/ 0.93 View S/ 1.01 S/ 0.903 S/ 0.833 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	20 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 40 C	+ 85 C	SMD/SMT	50 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 20MHz 20pF 50ppm -10C +70C ECS-200-20-3X-TR ECS 1: S/ 1.17 4,761In Stock	Mfr. Part # ECS-200-20-3X-TR Mouser Part # 520-200-20-3XT	ECS	Crystals 20MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	4,761In Stock	Cut Tape S/ 1.17 S/ 0.876 S/ 0.814 S/ 0.79 Reel S/ 0.724 View S/ 0.767 S/ 0.662 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	20 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 10 C	+ 70 C	SMD/SMT	50 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 27MHz 20pF 50ppm -40C +85C ECS-270-20-3X-EN-TR ECS 1: S/ 1.36 3,007In Stock	Mfr. Part # ECS-270-20-3X-EN-TR Mouser Part # 520-270-20-3XENT	ECS	Crystals 27MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	3,007In Stock	Cut Tape S/ 1.36 S/ 1.05 S/ 0.958 S/ 0.919 Reel S/ 0.81 View S/ 0.88 S/ 0.705 S/ 0.634 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	27 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 40 C	+ 85 C	SMD/SMT	50 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 18.432MHz 20pF 50ppm -40C +85C ECS-184-20-3X-EN-TR ECS 1: S/ 1.28 4,653In Stock	Mfr. Part # ECS-184-20-3X-EN-TR Mouser Part # 520-184-20-3XENT	ECS	Crystals 18.432MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	4,653In Stock	Cut Tape S/ 1.28 S/ 1.02 S/ 0.923 S/ 0.884 Reel S/ 0.693 View S/ 0.864 S/ 0.638 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	18.432 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 40 C	+ 85 C	SMD/SMT	50 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 14.31818MHz 20pF 50ppm -10C +70C ECS-143-20-3X-TR ECS 1: S/ 1.36 2,979In Stock	Mfr. Part # ECS-143-20-3X-TR Mouser Part # 520-143-20-3XT	ECS	Crystals 14.31818MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	2,979In Stock	Cut Tape S/ 1.36 S/ 1.05 S/ 0.958 S/ 0.919 Reel S/ 0.716 View S/ 0.88 S/ 0.701 S/ 0.654 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	14.31818 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 10 C	+ 70 C	SMD/SMT	60 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 27MHz 20pF 50ppm -10C +70C ECS-270-20-46X ECS 1: S/ 1.52 939In Stock	Mfr. Part # ECS-270-20-46X Mouser Part # 520-270-20-46X	ECS	Crystals 27MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	939In Stock	S/ 1.52 S/ 1.19 S/ 1.08 S/ 1.03 View S/ 0.864 S/ 0.814 S/ 0.794 S/ 0.751	Min.: 1 Mult.: 1	27 MHz	20 pF	30 PPM	50 PPM		- 10 C	+ 70 C	Radial	50 Ohms	100 uW	6.8 mm	4 mm	1.8 mm	HC-46X	Bulk
Crystals 12MHz 20pF 50ppm -40C +85C ECS-120-20-3X-EN-TR ECS 1: S/ 1.44 26,232In Stock	Mfr. Part # ECS-120-20-3X-EN-TR Mouser Part # 520-120-20-3XENT	ECS	Crystals 12MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	26,232In Stock	Cut Tape S/ 1.44 S/ 1.13 S/ 1.03 S/ 0.985 Reel S/ 0.934 View S/ 0.946 S/ 0.895 S/ 0.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	12 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 40 C	+ 85 C	SMD/SMT	60 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 16MHz 20pF 50ppm -10C +70C ECS-160-20-3X-TR ECS 1: S/ 1.17 28,082In Stock 12,000Expected 2/3/2027	Mfr. Part # ECS-160-20-3X-TR Mouser Part # 520-160-20-3XT	ECS	Crystals 16MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	28,082In Stock 12,000Expected 2/3/2027	Cut Tape S/ 1.17 S/ 0.938 S/ 0.849 S/ 0.814 Reel S/ 0.685 View S/ 0.782 S/ 0.67 S/ 0.631 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	16 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 10 C	+ 70 C	SMD/SMT	50 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 12MHz 20pF 50ppm -10C +70C ECS-120-20-3X-TR ECS 1: S/ 1.21 4,575In Stock 24,000Expected 2/16/2027	Mfr. Part # ECS-120-20-3X-TR Mouser Part # 520-120-20-3XT	ECS	Crystals 12MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	4,575In Stock 24,000Expected 2/16/2027	Cut Tape S/ 1.21 S/ 0.938 S/ 0.852 S/ 0.817 Reel S/ 0.716 View S/ 0.782 S/ 0.67 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	12 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 10 C	+ 70 C	SMD/SMT	60 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 12MHz 20pF 50ppm -10C +70C ECS-120-20-46X ECS 1: S/ 1.44 733In Stock	Mfr. Part # ECS-120-20-46X Mouser Part # 520-120-20-46X	ECS	Crystals 12MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	733In Stock	S/ 1.44 S/ 1.13 S/ 1.03 S/ 0.981 View S/ 0.868 S/ 0.825 S/ 0.782 S/ 0.728	Min.: 1 Mult.: 1	12 MHz	20 pF	30 PPM	50 PPM	7.5 mm x 2.9 mm	- 10 C	+ 70 C	Radial	60 Ohms	100 uW	7.5 mm	2.9 mm	1.8 mm	HC-46X	Bulk
Crystals 12.288MHz 20pF 50ppm -40C +85C ECS-122.8-20-3X-EN-TR ECS 1: S/ 1.52 331In Stock 3,000Expected 2/16/2027	Mfr. Part # ECS-122.8-20-3X-EN-TR Mouser Part # 520-122.8-20-3XENT	ECS	Crystals 12.288MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	331In Stock 3,000Expected 2/16/2027	Cut Tape S/ 1.52 S/ 1.21 S/ 1.10 S/ 1.06 Reel S/ 0.954 View S/ 0.923 S/ 0.782 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	12.288 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 40 C	+ 85 C	SMD/SMT	60 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 12.288MHz 20pF 50ppm -10C +70C ECS-122.8-20-3X-TR ECS 1: S/ 1.13 1,836In Stock	Mfr. Part # ECS-122.8-20-3X-TR Mouser Part # 520-122.8-20-3XT	ECS	Crystals 12.288MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	1,836In Stock	Cut Tape S/ 1.13 S/ 0.938 S/ 0.868 S/ 0.841 Reel S/ 0.79 View S/ 0.817 S/ 0.755 S/ 0.642 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	12.288 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 10 C	+ 70 C	SMD/SMT	60 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 13MHz 20pF 50ppm -10C +70C ECS-130-20-3X-TR ECS 1: S/ 1.28 2,905In Stock	Mfr. Part # ECS-130-20-3X-TR Mouser Part # 520-130-20-3XT	ECS	Crystals 13MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	2,905In Stock	Cut Tape S/ 1.28 S/ 1.02 S/ 0.923 S/ 0.884 Reel S/ 0.736 View S/ 0.88 S/ 0.716 S/ 0.646 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	13 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 10 C	+ 70 C	SMD/SMT	60 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 13.56MHz 20pF 50ppm -10C +70C ECS-135.6-20-3X-TR ECS 1: S/ 1.28 2,980In Stock	Mfr. Part # ECS-135.6-20-3X-TR Mouser Part # 520-135.6-20-3XT	ECS	Crystals 13.56MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	2,980In Stock	Cut Tape S/ 1.28 S/ 1.02 S/ 0.923 S/ 0.919 Reel S/ 0.743 View S/ 0.88 S/ 0.72 S/ 0.65 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	13.56 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 10 C	+ 70 C	SMD/SMT	60 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 14.7456MHz 20pF 50ppm -40C +85C ECS-147.4-20-3X-EN-TR ECS 1: S/ 1.52 175In Stock	Mfr. Part # ECS-147.4-20-3X-EN-TR Mouser Part # 520-147.4-20-3XENT	ECS	Crystals 14.7456MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	175In Stock	Cut Tape S/ 1.52 S/ 1.21 S/ 1.10 S/ 1.05 Reel S/ 0.876 View S/ 1.01 S/ 0.849 S/ 0.767 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	14.7456 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 40 C	+ 85 C	SMD/SMT	60 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 14.7456MHz 20pF 50ppm -10C +70C ECS-147.4-20-3X-TR ECS 1: S/ 1.28 723In Stock	Mfr. Part # ECS-147.4-20-3X-TR Mouser Part # 520-147.4-20-3XT	ECS	Crystals 14.7456MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	723In Stock	Cut Tape S/ 1.28 S/ 1.02 S/ 0.923 S/ 0.919 Reel S/ 0.728 View S/ 0.849 S/ 0.708 S/ 0.642 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	14.7456 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 10 C	+ 70 C	SMD/SMT	60 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 14.7456MHz 20pF 50ppm -10C +70C ECS-147.4-20-46X ECS 1: S/ 1.52 35In Stock	Mfr. Part # ECS-147.4-20-46X Mouser Part # 520-147.4-20-46X	ECS	Crystals 14.7456MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	35In Stock	S/ 1.52 S/ 1.19 S/ 1.08 S/ 1.03 View S/ 0.899 S/ 0.849 S/ 0.833 S/ 0.798	Min.: 1 Mult.: 1	14.7456 MHz	20 pF	30 PPM	50 PPM		- 10 C	+ 70 C	Radial	60 Ohms	100 uW	6.8 mm	4 mm	1.8 mm	HC-46X	Bulk
Crystals 16MHz 20pF 50ppm -40C +85C ECS-160-20-3X-EN-TR ECS 1: S/ 1.48 3,725In Stock	Mfr. Part # ECS-160-20-3X-EN-TR Mouser Part # 520-160-20-3XENT	ECS	Crystals 16MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	3,725In Stock	Cut Tape S/ 1.48 S/ 1.17 S/ 1.06 S/ 1.02 Reel S/ 0.837 View S/ 0.977 S/ 0.814 S/ 0.79 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	16 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 40 C	+ 85 C	SMD/SMT	50 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 16MHz 20pF 50ppm -10C +70C ECS-160-20-46X ECS 1: S/ 1.44 667In Stock 1,500Expected 10/27/2026	Mfr. Part # ECS-160-20-46X Mouser Part # 520-160-20-46X	ECS	Crystals 16MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	667In Stock 1,500Expected 10/27/2026	S/ 1.44 S/ 1.13 S/ 1.03 S/ 0.981 View S/ 0.942 S/ 0.891 S/ 0.887 S/ 0.872	Min.: 1 Mult.: 1	16 MHz	20 pF	30 PPM	50 PPM	7.5 mm x 2.9 mm	- 10 C	+ 70 C	Radial	50 Ohms	100 uW	7.5 mm	2.9 mm	1.8 mm	HC-46X	Bulk
Crystals 18.432MHz 20pF 50ppm -10C +70C ECS-184-20-46X ECS 1: S/ 1.44 280In Stock	Mfr. Part # ECS-184-20-46X Mouser Part # 520-184-20-46X	ECS	Crystals 18.432MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	280In Stock	S/ 1.44 S/ 1.13 S/ 1.03 S/ 0.981 View S/ 0.884 S/ 0.837 S/ 0.817 S/ 0.775	Min.: 1 Mult.: 1	18.432 MHz	20 pF	30 PPM	50 PPM		- 10 C	+ 70 C	Radial	50 Ohms	100 uW	6.8 mm	4 mm	1.8 mm	HC-46X	Bulk
Crystals 19.6608MHz 20pF 50ppm -10C +70C ECS-196.6-20-3X-TR ECS 1: S/ 1.28 2,391In Stock	Mfr. Part # ECS-196.6-20-3X-TR Mouser Part # 520-196.6-20-3XT	ECS	Crystals 19.6608MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	2,391In Stock	Cut Tape S/ 1.28 S/ 1.02 S/ 0.923 S/ 0.884 Reel S/ 0.79 View S/ 0.849 S/ 0.72 S/ 0.65 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	19.6608 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 10 C	+ 70 C	SMD/SMT	50 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 20MHz 20pF 50ppm -10C +70C ECS-200-20-46X ECS 1: S/ 1.40 432In Stock	Mfr. Part # ECS-200-20-46X Mouser Part # 520-200-20-46X	ECS	Crystals 20MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	432In Stock	S/ 1.40 S/ 1.10 S/ 1.00 S/ 0.923 View S/ 0.864 S/ 0.821 S/ 0.782 S/ 0.728	Min.: 1 Mult.: 1	20 MHz	20 pF	30 PPM	50 PPM	7.5 mm x 2.9 mm	- 10 C	+ 70 C	Radial	50 Ohms	100 uW	7.5 mm	2.9 mm	1.8 mm	HC-46X	Bulk
Crystals 25MHz 20pF 50ppm -40C +85C ECS-250-20-3X-EN-TR ECS 1: S/ 1.52 5,027In Stock	Mfr. Part # ECS-250-20-3X-EN-TR Mouser Part # 520-250-20-3XENT	ECS	Crystals 25MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	5,027In Stock	Cut Tape S/ 1.52 S/ 1.21 S/ 1.11 S/ 1.06 Reel S/ 0.833 View S/ 1.01 S/ 0.829 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	25 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 40 C	+ 85 C	SMD/SMT	50 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 25MHz 20pF 50ppm -10C +70C ECS-250-20-3X-TR ECS 1: S/ 1.28 5,143In Stock 3,000Expected 11/2/2026	Mfr. Part # ECS-250-20-3X-TR Mouser Part # 520-250-20-3XT	ECS	Crystals 25MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	5,143In Stock 3,000Expected 11/2/2026	Cut Tape S/ 1.28 S/ 1.00 S/ 0.915 S/ 0.88 Reel S/ 0.743 View S/ 0.845 S/ 0.666 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	25 MHz	20 pF	30 PPM	50 PPM	CSM-3X	- 10 C	+ 70 C	SMD/SMT	50 Ohms	100 uW	7.6 mm	4.1 mm	2.3 mm	CSM-3X	Reel, Cut Tape, MouseReel
Crystals 25MHz 20pF 50ppm -10C +70C ECS-250-20-46X ECS 1: S/ 1.36 999In Stock	Mfr. Part # ECS-250-20-46X Mouser Part # 520-250-20-46X	ECS	Crystals 25MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	999In Stock	S/ 1.36 S/ 1.09 S/ 1.03 S/ 0.981 View S/ 0.942 S/ 0.821 S/ 0.786 S/ 0.732	Min.: 1 Mult.: 1	25 MHz	20 pF	30 PPM	50 PPM	7.5 mm x 2.9 mm	- 10 C	+ 70 C	Radial	50 Ohms	100 uW	7.5 mm	2.9 mm	1.8 mm	HC-46X	Bulk

CSM-3x/HC-46x Miniature Quartz Crystals

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