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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 (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 20ppm 12.5pF -40C +85C ECS-.327-12.5-34B-TR ECS 1: ¥69.8 79,119In 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	79,119In Stock	Cut Tape ¥69.8 ¥54.8 ¥50 ¥47.7 Reel ¥43.7 View ¥45.7 ¥43.5 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 32.768kHz 6pF 20ppm -40C +85C ECS-.327-6-34B-TR ECS 1: ¥98 20,811In 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	20,811In Stock	Cut Tape ¥98 ¥76.6 ¥68.4 ¥66.6 Reel ¥60.8 View ¥63.8 ¥57.1 ¥55.1 ¥52.2 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: ¥106.3 37,050In Stock 24,000Expected 3/29/2027	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	37,050In Stock 24,000Expected 3/29/2027	Cut Tape ¥106.3 ¥83.2 ¥75.6 ¥72.4 Reel ¥64.8 View ¥68.3 ¥62.1 ¥59.5 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: ¥93 23,359In 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	23,359In Stock	Cut Tape ¥93 ¥72.8 ¥65.9 ¥63.3 Reel ¥61.8 View ¥61.8 ¥54.6 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-C-TR ECS 1: ¥101.3 11,827In 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	11,827In Stock	Cut Tape ¥101.3 ¥80.1 ¥72.6 ¥69.6 Reel ¥62.3 View ¥65.8 ¥61.8 ¥54.6 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 32.7680KHz 12.5pF SMD Crystal ECS-.327-12.5-34B-C-TR ECS 1: ¥83.1 39,243In 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	39,243In Stock	Cut Tape ¥83.1 ¥64.9 ¥59 ¥56.5 Reel ¥50.5 View ¥54.1 ¥48.3 ¥47.7 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 9pF ECS-.327-9-34B-TR ECS 1: ¥74.7 102,000On Order	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	102,000On Order On Order Ship Dates Mfr. #: ECS-.327-9-34B-TR Stock: 0 On Order: 51,000 Expected 2/2/2027 51,000 Expected 3/31/2027 Factory Lead-Time: 25 Weeks	Cut Tape ¥74.7 ¥58.8 ¥53.3 ¥51.2 Reel ¥45.7 View ¥49 ¥43.9 ¥40.5 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 32.768 KHz 7 pF +/-10 ppm a. +25C ECX-31B RoHS Compliant ECS-.327-7-34B-C-TR9 ECS 9,000: ¥54.6 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 ¥54.6	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