WC146SM-32.768KHZ Series Crystal ¾ Ultra Low Profile with 1.4mm Height max ¾ 32.768KHZ ¾ RoHS Compliant Available ¾ Ideal for use in space confined applications ¾ Tape and Reel Packaging ELECTRICAL SPECIFICATIONS: Frequency Frequency Tolerance Turnover Temperature Temperature Coefficient Load Capacitance Series Resistance Maximum Drive Level Recommended Drivel Level Shunt Capacitance Aging Operating Temperature Storage Temperature 32.768KHZ ±20ppm or ±50ppm +25°C ±5°C -0.04 x 10-6/°C2 7.0pF or 12.5pF 65K Ohms max 1.0 uWatt 0.1 uWatt 0.8pF typ ±3ppm for the first year -40°C to +85°C -55°C to +125°C MECHANICAL DETAIL: 0.55 [.022] 4 3 1 2 4 1.50 [.059] MAX 3 1 2 INTERNAL CONNECTION DO NOT CONNECT PINS 2 & 3 TO EXTERNAL DEVICES 6.70 [.264] 7.00 [.276] MAX 1.20 [.047] 1.40 [.055] MAX 5.10 [.201] 1.20 [.047] 0.60 [.024] 0.30 [.012] 0.15 [.006] 0.20 [.008] 0.40 [.016] 0.40 [.016] 0.20 [.008] 0.60 [.024] RECOMMENDED LAND PATTERN 0.30 [.012] DIMENSIONS IN BRACKETS ARE IN INCHES. PART NUMBER GUIDE: WC146SM RoHS Compliant Blank = Not Compliant F = Is Compliant Frequency Tolerance Blank = ±20 ppm 50 = ±50 ppm 32.768KHZ Load Capacitance Blank = 12.5pF 7 = 7pF 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] Specifications subject to change without notice Revision 12/12/05 A