E4WC Series E4WC • RoHS Compliant (Pb-Free) • 32.768kHz watch crystal • Miniature cylindrical package • ±20ppm frequency tolerance • 6.0pF or 12.5pF load capacitance available H L 6.3 2.1 CRYSTAL NOTES __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ELECTRICAL SPECIFICATIONS Frequency 32.768kHz Frequency Tolerance (at 25°C) ±20ppm Frequency Stability -0.042ppm / (∆°C)2 Maximum, Parabolic; Turn Over Temperature at 25°C ±5°C Operating Temperature Range -10°C to 60°C Aging (at 25°C) ±5ppm / year Maximum Storage Temperature Range -20°C to 70°C Shunt Capacitance 0.85pF Typical, 2pF Maximum Motional Capacitance 2.0fF Typical Drive Level 1 µWatt Maximum Equivalent Series Resistance 50,000 Ohms Maximum Insulation Resistance 100 Megaohms Minimum at 100VDC Load Capacitance (CL) 6.0pF or 12.5pF MANUFACTURER CATEGORY SERIES ECLIPTEK CORP. CRYSTAL E4WC 800-ECLIPTEK www.ecliptek.com for latest revision PACKAGE CYLINDRICAL CLASS REV.DATE CR50 07/06 Specifications subject to change without notice. PART NUMBERING GUIDE E4WC D A 06 - 32.768K FREQUENCY TOLERANCE D=±20ppm at 25°C NOMINAL FREQUENCY LOAD CAPACITANCE 06=6.0pF 12=12.5pF OPERATING TEMPERATURE RANGE A=-10°C to +60°C NOTES __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 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__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ MECHANICAL DIMENSIONS ALL DIMENSIONS IN MILLIMETERS MARKING SPECIFICATIONS PARABOLIC TEMPERATURE CURVE Line 1: 32.768K 32.768 = Nominal Frequency in kHz K = Blank or K MANUFACTURER CATEGORY SERIES ECLIPTEK CORP. CRYSTAL E4WC 800-ECLIPTEK www.ecliptek.com for latest revision PACKAGE CYLINDRICAL CLASS REV.DATE CR50 07/06 Specifications subject to change without notice.