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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 (JPY) 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: ¥111.3 87,739In 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	87,739In Stock	Cut Tape ¥111.3 ¥87.9 ¥84.2 ¥79.7 Reel ¥64.6 View ¥74.4 ¥71.9 ¥63 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: ¥114.6 31,722In 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	31,722In Stock 3,000Expected 4/27/2027	Cut Tape ¥114.6 ¥94.7 ¥90.7 ¥85.7 Reel ¥73.6 View ¥82.2 ¥78.9 ¥68.8 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: ¥119.6 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 ¥119.6 ¥93.7 ¥89.9 ¥84.9 Reel ¥72.9 View ¥81.4 ¥78.1 ¥68.1 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: ¥109.6 36,599In 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	36,599In Stock	Cut Tape ¥109.6 ¥86.4 ¥82.7 ¥78.2 Reel ¥67.1 View ¥75.1 ¥71.9 ¥62.8 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 32.768kHz 9pF -40C +85C ECS-.327-9-12R-TR ECS 1: ¥109.6 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 ¥109.6 ¥86.4 ¥82.9 ¥78.4 Reel ¥67.3 View ¥75.1 ¥72.1 ¥66.4 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 32.7680KHz 9pF SMD Crystal ECS-.327-9-12R-C-TR ECS 1: ¥124.6 334In 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	334In Stock 6,000Expected 5/18/2027	Cut Tape ¥124.6 ¥98.8 ¥94.7 ¥89.5 Reel ¥80.7 View ¥87.5 ¥84.7 ¥73.4 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 12.5pF -40C +85C ECS-.327-12.5-49-TR ECS 1: ¥184.4 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 ¥184.4 ¥143.8 ¥137.9 ¥130.4 View Reel ¥112.6 ¥124.2 ¥119.8 ¥112.6 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