WC315 Series Crystal Ceramic SMD Tuning Fork Crystal 32.768KHZ RoHS Compliant Tape and Reel Packaging Available Frequency 32.768KHZ Frequency Tolerance at +25°C ±20 ppm Load Capacitance 12.5pF Operating Temperature -40°C to +85°C Storage Temperature -55°C to +125°C Turnover Temperature +25°C ±5°C -0.035 ppm / (change in °C)2 max parabolic curve Stability Equivalent Series Resistance 70k Ohms Max Drive Level 1uW max Aging ±3 ppm first year Quality Factor 30000 typ Shunt Capacitance 1.05pF Max Part Number 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 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. WC315063011C Pg 1 of 2 Mechanical Details 1.60[.063] MAX 0.90[.035] MAX 1.90 [.075] 1.30[.051] MXXXXX 1.10 [.043] 3.30[.130] MAX 2.40[.094] 1.80[.071] 1.40[.055] 1.10 [.043] 0.62[.024] SUGGESTED LAND PATTERN *DO NOT DESIGN ANY PATTERNS ON SHADED AREA DIMENSION IN BRACKETS ARE IN INCHES FACTORY MARKING Tape & Reel PITCH Tape Width REEL DIA Q1 Q2 Q1 Q2 Q3 Q4 Q3 Q4 PITCH TAPE WIDTH REEL DIA QTY PER REEL PIN 1 ORIENT. 4.00 [.157] 12.00 [.471] 330 [13.0] 3000 Q1 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 [inch]. 3. Tolerances are ±0.1 [.004] 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. WC315063011C Pg 2 of 2