WC26SM 32.768 KHz Clock Crystal Spec ¾ Surface Mountable Clock Crystal ¾ 32.768 KHz ¾ Small Compact Size ELECTRICAL SPECIFICATIONS: Frequency Tolerance at +25°C Stability Aging Shunt Capacitance Load Capacitance Motional Capacitance Operating Temperature Storage Temperature Equivalent Resistance Drive Level Temperature Coefficient Insulation Resistance Shock Resistance 32.768 KHz See Part Number Guide for Options -0.034 ppm (±0.006)/°2(T-To)2 ±5 ppm./ yr 1.5 pF 12.5 pF TYP 0.003 pF TYP -40°C to +85°C -40°C to +85°C 50k Ohms Max 1 µW Max 0.04 ppm / ° C 500 Megaohms Min / DC 100 V ±5 ppm Max (Drop test 3 times on a hard board from 75 cm) MECHANICAL DETAILS: 4 .0 5 [.1 5 9 ] 1 .9 0 [.0 7 5 ] 3 .4 0 [.1 3 4 ] 3 .8 0 [.1 5 0 ] 2 .0 0 [.0 7 9 ] 1 .7 0 [.0 6 7 ] CL 2 .5 4 [.1 0 0 ] 1 .0 0 [.0 3 9 ] 1 .7 0 [.0 6 7 ] 2 .0 0 [.0 7 9 ] 3 .2 5 [.1 2 8 ] CL 1 .7 0 [.0 6 7 ] G LU E PA D 6 .5 0 [.2 5 6 ] M A X 3 .3 0 [.1 3 0 ] M A X RECOM M EN D PAD LAYOUT 2 .3 0 [.0 9 1 ] 2 .9 5 [.1 1 6 ] 0 .2 5 [.0 1 0 ] 0 .2 5 [.0 1 0 ] 0 .2 5 [.0 1 0 ] D IM E N S IO N S IN B R A C K E T S A R E IN IN C H E S MECHANICAL DETAILS: WC26SM RoHS Compliant Blank = Not Compliant F = Is Compliant Frequency Tolerance C = ±10 ppm D = ±20 ppm 32.768KHZ Load Capacitance Blank = 12.5pF 6 = 6pF 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.mmdcomponents.com [email protected] Specifications subject to change without notice Revision3/27/06 E