WC146SM Series Crystal Ultra Low Profile with 1.4mm Height max 32.768KHZ RoHS Compliant Available Ideal for use in space confined applications Tape and Reel Packaging Frequency 32.768KHZ Frequency Tolerance ±20ppm or ±50ppm +25°C ±5°C Turnover Temperature Temperature Coefficient -0.04 x 10-6/°C2 Load Capacitance 7.0pF or 12.5pF Series Resistance 65K Ohms max Maximum Drive Level 1.0 uWatt Recommended Drivel Level 0.1 uWatt Shunt Capacitance 0.8pF typ Aging ±3ppm for the first year Operating Temperature -40°C to +85°C Storage Temperature -55°C to +125°C Moisture Sensitivity Level 3 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 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. WC146SM082812H Pg 1 of 2 Mechanical Details 4 0.55 [.022] 4 3 1.50 [.059] MAX 2 1 3 1 2 INTERNAL CONNECTION DO NOT CONNECT PINS 2 & 3 TO EXTERNAL DEVICES 6.70 [.264] 7.00 [.276] MAX 1.40 [.055] MAX 1.20 [.047] 5.10 [.201] 1.20 [.047] 0.60 [.024] 0.30 [.012] 0.15 [.006] 0.20 [.008] 0.40 [.016] 0.20 [.008] 0.40 [.016] 0.60 [.024] SUGGESTED LAND PATTERN 0.30 [.012] DIMENSIONS IN BRACKETS ARE IN INCHES. Tape & Reel PITCH TAPE WIDTH REEL DIA PITCH TAPE WIDTH REEL DIA QTY PER REEL PIN 1 ORIENT. 4.00 [.157] 16.00 [.630] 330[13 IN] 9000 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. 3. Tolerances are ±0.10 [.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. WC146SM082812H Pg 2 of 2