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ECX-31B SMD Crystals

ECS ECX-31B SMD Crystals are ultra-miniature surface mount tuning fork crystals that operate at 32.768kHz frequency. These SMD tuning fork crystals exhibit ±20ppm frequency tolerance at +25°C which ensures improved reliability. ECS ECX-31B SMD Crystals feature a 1µW drive level, 70kΩ equivalent series resistance (ESR), and an extended temperature range. These tuning fork crystals have a compact design and come in a low-profile ceramic package, which makes them ideal for applications in SMD manufacturing environments.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Frequency	Load Capacitance	Tolerance	Package / Case	Minimum Operating Temperature	Maximum Operating Temperature	Termination Style	ESR	Drive Level	Length	Width	Height	Series	Packaging
	Crystals 32.768KHz 20ppm 12.5pF -40C +85C ECS-.327-12.5-34B-TR ECS 1: $0.605 87,195In Stock	Mfr. Part # ECS-.327-12.5-34B-TR Mouser Part # 520-327-12.5-34B	ECS	Crystals 32.768KHz 20ppm 12.5pF -40C +85C Learn More about ECS ecx 31b crystals	Datasheet	87,195In Stock	Cut Tape $0.605 $0.527 $0.478 $0.458 View Reel $0.377 $0.433 $0.416 $0.399 $0.377 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	12.5 pF	20 PPM	3.2 mm x 1.5 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	3.2 mm	1.5 mm	0.9 mm	ECX-34B	Reel, Cut Tape, MouseReel
	Crystals 32.7680KHz 12.5pF SMD Crystal ECS-.327-12.5-34B-C-TR ECS 1: $0.72 52,583In Stock	Mfr. Part # ECS-.327-12.5-34B-C-TR Mouser Part # 520-ECS.32712.534BCT	ECS	Crystals 32.7680KHz 12.5pF SMD Crystal Learn More about ECS ecx 31b crystals	Datasheet	52,583In Stock	Cut Tape $0.72 $0.563 $0.511 $0.49 Reel $0.438 View $0.469 $0.419 $0.413 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	12.5 pF	10 PPM	3.2 mm x 1.5 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	3.2 mm	1.5 mm	0.9 mm	ECX-34B	Reel, Cut Tape, MouseReel
	Crystals 32.768kHz 6pF 20ppm -40C +85C ECS-.327-6-34B-TR ECS 1: $0.893 21,007In Stock	Mfr. Part # ECS-.327-6-34B-TR Mouser Part # 520-.327-6-34BT	ECS	Crystals 32.768kHz 6pF 20ppm -40C +85C Learn More about ECS ecx 31b crystals	Datasheet	21,007In Stock	Cut Tape $0.893 $0.701 $0.631 $0.609 Reel $0.539 View $0.575 $0.513 $0.492 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	6 pF	20 PPM	3.2 mm x 1.5 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	3.2 mm	1.5 mm	0.9 mm	ECX-34B	Reel, Cut Tape, MouseReel
	Crystals 32.768KHz 7pF ECS-.327-7-34B-TR ECS 1: $0.922 39,442In Stock	Mfr. Part # ECS-.327-7-34B-TR Mouser Part # 520-ECS-.327-7-34B-T	ECS	Crystals 32.768KHz 7pF Learn More about ECS ecx 31b crystals	Datasheet	39,442In Stock	Cut Tape $0.922 $0.721 $0.655 $0.628 Reel $0.562 View $0.592 $0.539 $0.516 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	7 pF	20 PPM	3.2 mm x 1.5 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	0.1 uW	3.2 mm	1.5 mm	0.9 mm	ECX-34B	Reel, Cut Tape, MouseReel
	Crystals 32.768KHz 7pF ECS-.327-7-34B-C-TR ECS 1: $0.806 25,668In Stock	Mfr. Part # ECS-.327-7-34B-C-TR Mouser Part # 520-ECS-.327-7-34BCT	ECS	Crystals 32.768KHz 7pF Learn More about ECS ecx 31b crystals	Datasheet	25,668In Stock	Cut Tape $0.806 $0.631 $0.572 $0.549 Reel $0.536 View $0.536 $0.474 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	7 pF	10 PPM	3.2 mm x 1.5 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	0.1 uW	3.2 mm	1.5 mm	0.9 mm	ECX-34B	Reel, Cut Tape, MouseReel
	Crystals 32.768KHz 9pF ECS-.327-9-34B-TR ECS 1: $0.648 7,021In Stock 51,000Expected 2027-01-26	Mfr. Part # ECS-.327-9-34B-TR Mouser Part # 520-ECS-.327-9-34B-T	ECS	Crystals 32.768KHz 9pF Learn More about ECS ecx 31b crystals	Datasheet	7,021In Stock 51,000Expected 2027-01-26	Cut Tape $0.648 $0.562 $0.51 $0.49 Reel $0.396 View $0.462 $0.444 $0.425 $0.38 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	9 pF	20 PPM	3.2 mm x 1.5 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	3.2 mm	1.5 mm	0.9 mm	ECX-34B	Reel, Cut Tape, MouseReel
	Crystals 32.768KHz 9pF ECS-.327-9-34B-C-TR ECS 1: $0.878 11,987In Stock	Mfr. Part # ECS-.327-9-34B-C-TR Mouser Part # 520-ECS-.327-9-34BCT	ECS	Crystals 32.768KHz 9pF Learn More about ECS ecx 31b crystals	Datasheet	11,987In Stock	Cut Tape $0.878 $0.694 $0.629 $0.603 Reel $0.54 View $0.57 $0.536 $0.474 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	9 pF	10 PPM	3.2 mm x 1.5 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	3.2 mm	1.5 mm	0.9 mm	ECX-34B	Reel, Cut Tape, MouseReel
	Crystals 32.768 KHz 7 pF +/-10 ppm a. +25C ECX-31B RoHS Compliant ECS-.327-7-34B-C-TR9 ECS 9,000: $0.474 Non-Stocked Lead-Time 25 Weeks	Mfr. Part # ECS-.327-7-34B-C-TR9 Mouser Part # 520-ECS-.327734BCTR9	ECS	Crystals 32.768 KHz 7 pF +/-10 ppm a. +25C ECX-31B RoHS Compliant Learn More about ECS ecx 31b crystals	Datasheet	Non-Stocked Lead-Time 25 Weeks	Reel $0.474	Min.: 9,000 Mult.: 9,000 : 9,000			32.768 kHz	7 pF	20 PPM		- 40 C	+ 85 C	SMD/SMT		0.5 uW	3.2 mm	1.5 mm	0.9 mm	ECX-31B	Reel