WC315-32.768KHZ Crystal Series ¾ Ceramic SMD Tuning Fork Crystal ¾ 32.768KHZ ¾ RoHS Compliant ¾ Tape and Reel Packaging Available ELECTRICAL SPECIFICATIONS: Frequency Frequency Tolerance at +25°C Load Capacitance Operating Temperature Storage Temperature Turnover Temperature Stability Equivalent Series Resistance Drive Level Aging Quality Factor Shunt Capacitance 32.768KHZ ±20 ppm 12.5pF -40°C to ±85°C -55°C to ±125°C +25°C ±5°C -0.035 ppm / (change in °C)2 max parabolic curve 70k Ohms Max 1uW max ±3 ppm first year 30000 typ 1.05pF Max MECHANICAL DETAILS: 1.60[.063] MAX 0.90[.035] MAX 1.90 [.075] 1.30[.051] 1.10 [.043] 3.30[.130] MAX 1.80[.071] 2.40[.094] 1.40[.055] 1.10 [.043] 0.62[.024] DIMENSION IN BRACKETS ARE IN INCHES RECOMMENDED LAND PATTERN *DO NOT DESIGN ANY PATTERNS ON SHADED AREA PART NUMBERING GUIDE: WC315 Frequency Tolerance Blank = ±20 ppm XX = Customer Specified 32.768KHZ Load Capacitance Blank = 12.5pF XX = Customer Specified Value Added Options Blank = No Added Options T = Tape and Reel Please consult with MMD sales department for any other parameters or options. MMD Components, 30400 Esperanza, Rancho Santa Margarita, CA, 92688 Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com [email protected] Revision 01/02/07 A