WC26SM Series Crystal Surface Mountable Clock Crystal 32.768 KHz Small Compact Size RoHS Compliant Frequency 32.768 KHz Tolerance at +25°C See Part Number Guide for Options Stability -0.034 ppm (±0.006)/°2 Aging ±5 ppm/ yr Shunt Capacitance 1.5 pF Load Capacitance 12.5 pF Typ (6pF Option) Motional Capacitance 0.003 pF TYP Operating Temperature -40°C to +85°C Storage Temperature -40°C to +85°C Equivalent Resistance 50k Ohms Max Drive Level 1 µW Max Temperature Coefficient 0.04 ppm / ° C Insulation Resistance 500 Megaohms Min / DC 100 V Shock Resistance ±5 ppm Max (Drop test 3 times on a hard board from 75 cm) Part Number Guide 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 Monitor/Quartztek 30400 Esperanza, Rancho Santa Margarita, CA, 92688 Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com [email protected] Revision: Specifications are subject to change without notice. WC26SM082812G Pg 1 of 2 Mechanical Details 4.05 [.159] 1.90 [.075] 3.40 [.134] 3.80 [.150] 2.00 [.079] 1.70 [.067] CL 2.54 [.100] 1.00 [.039] 1.70 [.067] 2.00 [.079] 3.25 [.128] CL 1.70 [.067] GLUE PAD 6.50 [.256] MAX 3.30 [.130] MAX SUGGESTED PAD LAYOUT 2.30 [.091] 2.95 [.116] 0.25 [.010] 0.25 [.010] 0.25 [.010] DIMENSIONS IN BRACKETS ARE IN INCHES NOTES 1. CAN PLATING = Ni 2. LEAD PLATING = Sn 95% - 98%, Cu 2% - 5% Tape & Reel PITCH TAPE REEL DIA PITCH TAPE REEL COUNT 8.0 16.0 330 [13 IN] 1000 NOTES: UNLESS OTHERWISE SPECIFIED 1. Applicable Standards / Specifications ANSI Y14.5M, Dimensions and Tolerances EIA-481-B, 8 mm through 200mm Embossed Carrier Taping and 8 mm and 12 mm Punched Carrier Taping of Surface Mount Components for Automatic Handling. 2. Dimensions are in millimeters. 3. Tolerances are ±0.1 mm unless otherwise specified. 4. Do not scale drawing. DIRECTION OF FEED MMD Monitor/Quartztek 30400 Esperanza, Rancho Santa Margarita, CA, 92688 Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com [email protected] Revision: Specifications are subject to change without notice. WC26SM082812G Pg 2 of 2