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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 (SGD) 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: $0.49 8,511In Stock	Mfr. Part No. ECS-200-20-3X-EN-TR Mouser Part No 520-200-20-3XENT	ECS	Crystals 20MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	8,511In Stock	Cut Tape $0.49 $0.407 $0.375 $0.364 Reel $0.325 View $0.354 $0.316 $0.291 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 27MHz 20pF 50ppm -40C +85C ECS-270-20-3X-EN-TR ECS 1: $0.476 3,007In Stock	Mfr. Part No. ECS-270-20-3X-EN-TR Mouser Part No 520-270-20-3XENT	ECS	Crystals 27MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	3,007In Stock	Cut Tape $0.476 $0.369 $0.335 $0.321 Reel $0.283 View $0.307 $0.246 $0.222 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: $0.449 4,653In Stock	Mfr. Part No. ECS-184-20-3X-EN-TR Mouser Part No 520-184-20-3XENT	ECS	Crystals 18.432MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	4,653In Stock	Cut Tape $0.449 $0.355 $0.322 $0.309 Reel $0.242 View $0.302 $0.223 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 20MHz 20pF 50ppm -10C +70C ECS-200-20-3X-TR ECS 1: $0.408 4,761In Stock	Mfr. Part No. ECS-200-20-3X-TR Mouser Part No 520-200-20-3XT	ECS	Crystals 20MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	4,761In Stock	Cut Tape $0.408 $0.306 $0.284 $0.276 Reel $0.253 View $0.268 $0.231 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 14.31818MHz 20pF 50ppm -10C +70C ECS-143-20-3X-TR ECS 1: $0.476 2,979In Stock	Mfr. Part No. ECS-143-20-3X-TR Mouser Part No 520-143-20-3XT	ECS	Crystals 14.31818MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	2,979In Stock	Cut Tape $0.476 $0.369 $0.335 $0.321 Reel $0.25 View $0.307 $0.245 $0.228 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: $0.53 939In Stock	Mfr. Part No. ECS-270-20-46X Mouser Part No 520-270-20-46X	ECS	Crystals 27MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	939In Stock	$0.53 $0.418 $0.378 $0.36 View $0.302 $0.284 $0.277 $0.262	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: $0.503 26,232In Stock	Mfr. Part No. ECS-120-20-3X-EN-TR Mouser Part No 520-120-20-3XENT	ECS	Crystals 12MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	26,232In Stock	Cut Tape $0.503 $0.396 $0.359 $0.344 Reel $0.326 View $0.33 $0.313 $0.283 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: $0.408 28,082In Stock 12,000Expected 3/2/2027	Mfr. Part No. ECS-160-20-3X-TR Mouser Part No 520-160-20-3XT	ECS	Crystals 16MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	28,082In Stock 12,000Expected 3/2/2027	Cut Tape $0.408 $0.328 $0.296 $0.284 Reel $0.239 View $0.273 $0.234 $0.22 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: $0.422 4,575In Stock 24,000Expected 16/2/2027	Mfr. Part No. ECS-120-20-3X-TR Mouser Part No 520-120-20-3XT	ECS	Crystals 12MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	4,575In Stock 24,000Expected 16/2/2027	Cut Tape $0.422 $0.328 $0.298 $0.286 Reel $0.25 View $0.273 $0.234 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: $0.503 733In Stock	Mfr. Part No. ECS-120-20-46X Mouser Part No 520-120-20-46X	ECS	Crystals 12MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	733In Stock	$0.503 $0.396 $0.359 $0.343 View $0.303 $0.288 $0.273 $0.254	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: $0.53 331In Stock 3,000Expected 16/2/2027	Mfr. Part No. ECS-122.8-20-3X-EN-TR Mouser Part No 520-122.8-20-3XENT	ECS	Crystals 12.288MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	331In Stock 3,000Expected 16/2/2027	Cut Tape $0.53 $0.423 $0.385 $0.371 Reel $0.333 View $0.322 $0.273 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: $0.394 1,836In Stock	Mfr. Part No. ECS-122.8-20-3X-TR Mouser Part No 520-122.8-20-3XT	ECS	Crystals 12.288MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	1,836In Stock	Cut Tape $0.394 $0.328 $0.303 $0.294 Reel $0.276 View $0.286 $0.264 $0.224 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: $0.449 2,905In Stock	Mfr. Part No. ECS-130-20-3X-TR Mouser Part No 520-130-20-3XT	ECS	Crystals 13MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	2,905In Stock	Cut Tape $0.449 $0.355 $0.322 $0.309 Reel $0.257 View $0.307 $0.25 $0.226 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: $0.449 2,980In Stock	Mfr. Part No. ECS-135.6-20-3X-TR Mouser Part No 520-135.6-20-3XT	ECS	Crystals 13.56MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	2,980In Stock	Cut Tape $0.449 $0.355 $0.322 $0.321 Reel $0.26 View $0.307 $0.252 $0.227 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: $0.53 175In Stock	Mfr. Part No. ECS-147.4-20-3X-EN-TR Mouser Part No 520-147.4-20-3XENT	ECS	Crystals 14.7456MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	175In Stock	Cut Tape $0.53 $0.423 $0.384 $0.367 Reel $0.306 View $0.352 $0.296 $0.268 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: $0.449 723In Stock	Mfr. Part No. ECS-147.4-20-3X-TR Mouser Part No 520-147.4-20-3XT	ECS	Crystals 14.7456MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	723In Stock	Cut Tape $0.449 $0.355 $0.322 $0.321 Reel $0.254 View $0.296 $0.248 $0.224 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: $0.53 35In Stock	Mfr. Part No. ECS-147.4-20-46X Mouser Part No 520-147.4-20-46X	ECS	Crystals 14.7456MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	35In Stock	$0.53 $0.418 $0.378 $0.36 View $0.314 $0.296 $0.291 $0.279	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: $0.517 3,725In Stock	Mfr. Part No. ECS-160-20-3X-EN-TR Mouser Part No 520-160-20-3XENT	ECS	Crystals 16MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	3,725In Stock	Cut Tape $0.517 $0.409 $0.371 $0.356 Reel $0.292 View $0.341 $0.284 $0.276 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: $0.503 647In Stock 1,500Expected 27/10/2026	Mfr. Part No. ECS-160-20-46X Mouser Part No 520-160-20-46X	ECS	Crystals 16MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	647In Stock 1,500Expected 27/10/2026	$0.503 $0.396 $0.359 $0.343 View $0.329 $0.311 $0.31 $0.305	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: $0.503 280In Stock	Mfr. Part No. ECS-184-20-46X Mouser Part No 520-184-20-46X	ECS	Crystals 18.432MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	280In Stock	$0.503 $0.396 $0.359 $0.343 View $0.309 $0.292 $0.286 $0.271	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: $0.449 2,391In Stock	Mfr. Part No. ECS-196.6-20-3X-TR Mouser Part No 520-196.6-20-3XT	ECS	Crystals 19.6608MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	2,391In Stock	Cut Tape $0.449 $0.355 $0.322 $0.309 Reel $0.276 View $0.296 $0.252 $0.227 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: $0.49 432In Stock	Mfr. Part No. ECS-200-20-46X Mouser Part No 520-200-20-46X	ECS	Crystals 20MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	432In Stock	$0.49 $0.384 $0.351 $0.322 View $0.302 $0.287 $0.273 $0.254	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: $0.53 5,027In Stock	Mfr. Part No. ECS-250-20-3X-EN-TR Mouser Part No 520-250-20-3XENT	ECS	Crystals 25MHz 20pF 50ppm -40C +85C Learn More about ECS 46x3x	Datasheet	5,027In Stock	Cut Tape $0.53 $0.424 $0.386 $0.371 Reel $0.291 View $0.352 $0.29 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: $0.449 5,143In Stock 3,000Expected 2/11/2026	Mfr. Part No. ECS-250-20-3X-TR Mouser Part No 520-250-20-3XT	ECS	Crystals 25MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	5,143In Stock 3,000Expected 2/11/2026	Cut Tape $0.449 $0.351 $0.32 $0.307 Reel $0.26 View $0.295 $0.233 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: $0.476 999In Stock	Mfr. Part No. ECS-250-20-46X Mouser Part No 520-250-20-46X	ECS	Crystals 25MHz 20pF 50ppm -10C +70C Learn More about ECS 46x3x	Datasheet	999In Stock	$0.476 $0.382 $0.359 $0.343 View $0.329 $0.287 $0.275 $0.256	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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