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ECX-12R Low ESR SMD Tuning Fork Crystals

ECS ECX-12R Low ESR SMD Tuning Fork Crystals are very compact ultra-miniature tuning fork crystals. The components are offered in a 2.0mm x 1.2mm x 0.6mm ceramic package with a frequency range of 32.768KHz. The ECX-12R crystals feature a 1.3pF shunt capacitance, an operating temperature range of -40°C to +85°C, and a 12.5pF load capacitance. ECS ECX-12R Low ESR SMD Tuning Fork Crystals are ideal for Internet of Things (IoT) applications and wearable technology.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 12.5pF -40C +85C ECS-.327-12.5-12R-TR ECS 1: $0.67 87,759In Stock	Mfr. Part # ECS-.327-12.5-12R-TR Mouser Part # 520-.327-12.5-12R-T	ECS	Crystals 32.768kHz 12.5pF -40C +85C Learn More about ECS ecx 12r tuning fork crystals	Datasheet	87,759In Stock	Cut Tape $0.67 $0.529 $0.507 $0.48 Reel $0.389 View $0.448 $0.433 $0.379 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	12.5 pF	20 PPM	2 mm x 1.2 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	2 mm	1.2 mm	0.6 mm	ECX-12R	Reel, Cut Tape, MouseReel
	Crystals 32.768kHz 12.5pF -40C +85C ECS-.327-12.5-12R-C-TR ECS 1: $0.69 32,822In Stock 3,000Expected 4/27/2027	Mfr. Part # ECS-.327-12.5-12R-C-TR Mouser Part # 520-.327-12.5-12R-CT	ECS	Crystals 32.768kHz 12.5pF -40C +85C Learn More about ECS ecx 12r tuning fork crystals	Datasheet	32,822In Stock 3,000Expected 4/27/2027	Cut Tape $0.69 $0.57 $0.546 $0.516 Reel $0.443 View $0.495 $0.475 $0.414 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	12.5 pF	10 PPM	2 mm x 1.2 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	2 mm	1.2 mm	0.6 mm	ECX-12R	Reel, Cut Tape, MouseReel
	Crystals 32.768kHz 6pF -40C +85C ECS-.327-6-12R-TR ECS 1: $0.72 12,941In Stock 12,000Expected 11/2/2026	Mfr. Part # ECS-.327-6-12R-TR Mouser Part # 520-.327-6-12R-T	ECS	Crystals 32.768kHz 6pF -40C +85C Learn More about ECS ecx 12r tuning fork crystals	Datasheet	12,941In Stock 12,000Expected 11/2/2026	Cut Tape $0.72 $0.564 $0.541 $0.511 Reel $0.439 View $0.49 $0.47 $0.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	6 pF	20 PPM	2 mm x 1.2 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	2 mm	1.2 mm	0.6 mm	ECX-12R	Reel, Cut Tape, MouseReel
	Crystals 32.768kHz 7pF -40C +85C ECS-.327-7-12R-TR ECS 1: $0.66 37,849In Stock	Mfr. Part # ECS-.327-7-12R-TR Mouser Part # 520-.327-7-12R-T	ECS	Crystals 32.768kHz 7pF -40C +85C Learn More about ECS ecx 12r tuning fork crystals	Datasheet	37,849In Stock	Cut Tape $0.66 $0.52 $0.498 $0.471 Reel $0.404 View $0.452 $0.433 $0.378 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	7 pF	20 PPM	2 mm x 1.2 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	2 mm	1.2 mm	0.6 mm	ECX-12R	Reel, Cut Tape, MouseReel
	Crystals 32.7680KHz 9pF SMD Crystal ECS-.327-9-12R-C-TR ECS 1: $0.75 3,684In Stock 6,000Expected 5/18/2027	Mfr. Part # ECS-.327-9-12R-C-TR Mouser Part # 520-.327-9-12R-C-T	ECS	Crystals 32.7680KHz 9pF SMD Crystal Learn More about ECS ecx 12r tuning fork crystals	Datasheet	3,684In Stock 6,000Expected 5/18/2027	Cut Tape $0.75 $0.595 $0.57 $0.539 Reel $0.486 View $0.527 $0.51 $0.442 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	9 pF	10 PPM	2 mm x 1.2 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	2 mm	1.2 mm	0.6 mm	ECX-12R	Reel, Cut Tape, MouseReel
	Crystals 32.768kHz 9pF -40C +85C ECS-.327-9-12R-TR ECS 1: $0.66 18,802In Stock 12,000Expected 12/8/2026	Mfr. Part # ECS-.327-9-12R-TR Mouser Part # 520-.327-9-12R-T	ECS	Crystals 32.768kHz 9pF -40C +85C Learn More about ECS ecx 12r tuning fork crystals	Datasheet	18,802In Stock 12,000Expected 12/8/2026	Cut Tape $0.66 $0.52 $0.499 $0.472 Reel $0.405 View $0.452 $0.434 $0.40 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	9 pF	20 PPM	2 mm x 1.2 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	2 mm	1.2 mm	0.6 mm	ECX-12R	Reel, Cut Tape, MouseReel
	Crystals 32.768kHz 12.5pF -40C +85C ECS-.327-12.5-49-TR ECS 1: $1.11 20,400Expected 5/4/2027	Mfr. Part # ECS-.327-12.5-49-TR Mouser Part # 520-.327-12.5-49-T	ECS	Crystals 32.768kHz 12.5pF -40C +85C Learn More about ECS ecx 12r tuning fork crystals	Datasheet	20,400Expected 5/4/2027	Cut Tape $1.11 $0.866 $0.83 $0.785 View Reel $0.678 $0.748 $0.721 $0.678 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			32.768 kHz	12.5 pF	20 PPM	4.1 mm x 1.5 mm	- 40 C	+ 85 C	SMD/SMT	70 kOhms	1 uW	4.1 mm	1.5 mm	0.9 mm	ECX-49	Reel, Cut Tape, MouseReel