Pl tronics,. Inc. 19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA Manufacturer of High Quality Frequency Control Products SM26S Watch Crystal 2 Lead Surface Mount Tuning Fork Watch Crystal 2 x 2 x 6mm Axial Lead 32.768 kHz Standard Specifications Calibration Frequency Tolerance Operating Temperature Range (OTR) Storage Temperature Range Part Numbering Guide ± 20 PPM at 25°C std -40 to +85° C -55 to +85° C Frequency Stability over OTR Calculate as: Frequency shift from 25°C to T°C in PPM = - 0.035 x (T - 25) 2 ± 10% Load Capacitance Equivalent Series Resistance (ESR) Drive Level Aging at 25° C for the 1st year Motional Capacitance Static Capacitance Mechanical: mm 12.5 pF std, 6 pF available 50 k ohm typ, 70 k ohm max 1μ W maximum ± 3 PPM maximum 2.1 fF typical 0.9 pF typical SM26S - 12.5 - 32.768K - XXX (Internal Code or blank) Model Frequency in kHz Load Capacitance Packaging 16mm tape 4mm pitch Consult factory for available specifications. A special part number may be assigned. not to scale Parts are unmarked Apr 2006 Pl tronics, Inc. (425) 776 -1880, Fax: (425) 776-2760, [email protected], www.pletronics.com