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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 (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 12.5pF -40C +85C ECS-.327-12.5-12R-TR ECS 1: $0.95 88,409In 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	88,409In Stock	Cut Tape $0.95 $0.752 $0.681 $0.605 Reel $0.546 View $0.58 $0.524 $0.516 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: $0.936 32,832In Stock 3,000Expected 2027-04-20	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	32,832In Stock 3,000Expected 2027-04-20	Cut Tape $0.936 $0.772 $0.721 $0.69 Reel $0.608 View $0.654 $0.592 $0.557 $0.537 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: $1.04 13,114In Stock	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	13,114In Stock	Cut Tape $1.04 $0.812 $0.736 $0.697 Reel $0.625 View $0.667 $0.606 $0.576 $0.562 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: $0.95 37,949In 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	37,949In Stock	Cut Tape $0.95 $0.743 $0.672 $0.645 Reel $0.576 View $0.616 $0.552 $0.521 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: $1.08 3,684In Stock 6,000Expected 2027-05-11	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 2027-05-11	Cut Tape $1.08 $0.857 $0.821 $0.776 Reel $0.70 View $0.744 $0.727 $0.636 $0.624 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: $0.95 18,907In Stock 12,000Expected 2026-12-01	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	18,907In Stock 12,000Expected 2026-12-01	Cut Tape $0.95 $0.749 $0.68 $0.641 Reel $0.583 View $0.613 $0.576 $0.536 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: $1.51 20,400Expected 2027-04-27	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 2027-04-27	Cut Tape $1.51 $1.19 $1.14 $1.08 View Reel $0.936 $1.03 $0.982 $0.936 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