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Tuning fork watch crystals

Product Number: T26W/T38W

International Crystal Manufacturing (ICM) manufactures a broad line of surface mount crystals and other frequency control products, including our tuning fork watch crystal.

To view the features and specifications of our tuning fork watch crystals, please select one of the links below.

Crystal features
Standard specifications

Crystal features

Low profile
Miniature package
Tight tolerance
Cold weld design
Long term stability

Standard specifications

		T26W		T38W
PARAMETERS	CONDITIONS	MIN	MAX	MIN	MAX	UNITS
Frequency Range	32.768 kHz
Frequency Tolerance	Ta = 25°C, CL=12.5pF	-20	+20	-20	+20	PPM
Frequency Stability, ref @ 25°C	(k) Temperature Coefficient		-0.04		-0.04	PPM/(D°C)²
Temperature Range Turnover (TO) Operating (TOPR) Storage (TSTG)		+20 -10 -20	+30 +60 +70	+20 -10 -20	+30 +60 +70	°C
Equivalent Series Resistance (ESR)			50		35	kW
Insulation Resistance	100 VDC	500		500		MW
Drive Level			1.0		1.0	mW
Aging		-3.0	+3.0	-3.0	+3.0	PPM

All specifications subject to change without notice.

Tuning fork watch crystals - illustration

Inch dimensions shall govern.
All dimensions are in inches & parenthetically in millimeters.

Call us today at 1-800-725-1426, fill out our contact form, email us at info@icmfg.com or request an online quote for International Crystal Manufacturing radio frequency control devices – quartz crystals, oscillators, filters, TCXOs, and precision crystals.

International Crystal Manufacturing
10 North Lee Avenue • Oklahoma City, OK 73102
Toll Free Phone: 1-800-725-1426 • Toll Free Fax: 1-800-322-9426
Phone: 1-405-236-3741 • Fax: 1-405-235-1904
Email: info@icmfg.com