WX Series Low Frequency Crystal August 2019 The Pletronics W X Series is a cylindrical Available in 2 sizes - W X:3x8mm, watch crystal. W X26:2x6mm 32.768 KHz only XY Cut Crystal Pletronics Inc. certifies this device is in accordance with the RoHS 3 and WEEE 2 directives. Pletronics Inc. guarantees the device does not contain the following: Cadmium, Hexavalent Chromium, Mercury, PBBs, PBDEs W eight of the Device: 0.042 grams Moisture Sensitivity Level: 1 As defined in J-STD-020C Second Level Interconnect code: e3 Part Number: WX26 -32.768K -6pF - S MD - xxx Internal code or blank Only WX26 available in SMD WX26 available 6.0pF & 12.5pF load WX available 12.5pF load Nominal Frequency in KHz Model Number: W X: 3x8mm WX26: 2x6mm Reliability: Environmental Compliance Parameter Condition Mechanical Shock MIL-STD-883 Method 2002, Condition A Vibration MIL-STD-883 Method 2007, Condition A Solderability MIL-STD-883 Method 2003 Thermal Shock MIL-STD-883 Method 1011, Condition A Product informatin is current as of publication date. The product conforms Copyright 2019 Pletronics Inc. to specifications per the terms of the Pletronics standard warranty. Production processsing does not necesarily include testing of all parameters. WX Series Low Frequency Crystal August 2019 Electrical Specification: Item Min Max Unit Condition Frequency 32.768 kHz o Calibration Frequency Tolerance -20 +20 ppm at +25 C, (+/- 30 ppm 6.0 pF Load) Equivalent Series Resistance -- 40K Ohms Drive Level -- 1.0 uW oo Turn Over Temperature 20 30 C Nominal is 25 C o2 Temperature Coefficient -0.034 ppm/ C typical Q Factor 30000 -- Q Load Capacitance 12.5 pF Standard (see options in part table) Shunt Capacitance 1.7 pF Pin to Pin Capacitance, Max oo Aging (for first year) -3 +3 ppm/Yr at 25 C + 3 C Crystal Cut XY Cut o Operating Temperature Range -10 +60 C for thru hole models o Operating Temperature Range -40 +85 C (30 ppm Std) For WX26-32.768K-SMD o Storage Temperature Range -55 +125 C Shock Resistance -5 +5 ppm Vibration Resistance -5 +5 ppm Reflow Resistance -10 +10 ppm XY Crystal Frequency versus Temperature Typical Performance: www.pletronics.com 425-776-1880 2