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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 (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 20MHz 20pF 50ppm -40C +85C ECS-200-20-3X-EN-TR ECS 1: $0.52 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 $0.52 $0.412 $0.373 $0.358 Reel $0.32 View $0.343 $0.307 $0.298 $0.278 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 18.432MHz 20pF 50ppm -40C +85C ECS-184-20-3X-EN-TR ECS 1: $0.429 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 $0.429 $0.373 $0.339 $0.325 View Reel $0.234 $0.308 $0.295 $0.293 $0.234 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: $0.416 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 $0.416 $0.326 $0.293 $0.285 Reel $0.254 View $0.273 $0.243 $0.225 $0.221 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: $0.481 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 $0.481 $0.407 $0.387 $0.352 Reel $0.282 View $0.334 $0.317 $0.303 $0.235 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 14.31818MHz 20pF 50ppm -10C +70C ECS-143-20-3X-TR ECS 1: $0.429 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 $0.429 $0.332 $0.293 $0.289 Reel $0.235 View $0.277 $0.228 $0.224 $0.215 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: $0.481 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	$0.481 $0.376 $0.332 $0.325 View $0.28 $0.269 $0.257 $0.256 $0.247	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: $0.481 26,242In 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	26,242In Stock	Cut Tape $0.481 $0.378 $0.343 $0.329 Reel $0.307 View $0.316 $0.299 $0.277 $0.27 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: $0.416 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 $0.416 $0.332 $0.296 $0.289 Reel $0.228 View $0.272 $0.226 $0.222 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: $0.403 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 $0.403 $0.313 $0.28 $0.272 Reel $0.226 View $0.256 $0.216 $0.212 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: $0.481 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	$0.481 $0.417 $0.378 $0.363 View $0.343 $0.328 $0.294 $0.28 $0.265	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: $0.481 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 $0.481 $0.382 $0.345 $0.335 Reel $0.303 View $0.334 $0.294 $0.277 $0.254 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: $0.429 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 $0.429 $0.373 $0.339 $0.325 Reel $0.264 View $0.308 $0.295 $0.283 $0.252 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: $0.429 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 $0.429 $0.373 $0.339 $0.325 Reel $0.25 View $0.308 $0.295 $0.241 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: $0.429 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 $0.429 $0.332 $0.302 $0.289 Reel $0.246 View $0.237 $0.224 $0.213 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: $0.507 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 $0.507 $0.445 $0.404 $0.387 Reel $0.282 View $0.367 $0.351 $0.337 $0.27 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: $0.429 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 $0.429 $0.332 $0.302 $0.277 Reel $0.242 View $0.233 $0.221 $0.212 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: $0.494 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	$0.494 $0.386 $0.346 $0.335 View $0.294 $0.281 $0.273 $0.27 $0.26	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: $0.468 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 $0.468 $0.369 $0.335 $0.321 Reel $0.27 View $0.308 $0.264 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: $0.481 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	$0.481 $0.417 $0.378 $0.363 View $0.343 $0.295 $0.285 $0.269	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: $0.481 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	$0.481 $0.417 $0.378 $0.363 View $0.343 $0.328 $0.315 $0.283 $0.277	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: $0.429 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 $0.429 $0.373 $0.339 $0.325 Reel $0.264 View $0.308 $0.295 $0.283 $0.242 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: $0.481 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	$0.481 $0.411 $0.378 $0.36 View $0.35 $0.312 $0.293 $0.278 $0.265	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: $0.494 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 $0.494 $0.389 $0.352 $0.338 Reel $0.276 View $0.32 $0.272 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: $0.416 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 $0.416 $0.325 $0.293 $0.285 Reel $0.244 View $0.277 $0.242 $0.22 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: $0.442 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	$0.442 $0.354 $0.337 $0.325 View $0.312 $0.272 $0.257 $0.254 $0.242	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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