WC146SMF-32.768KHZ-T

WC146SM Ο Ultra Low Profile with 1.4mm Height max Ο 32.768 kHz Ο Small Compact Size Ο Ideal for use in space confined applications Ο RoHS Compliant Available Ο Tape and Reel Packaging Electrical Specifications: Frequency 32.768kHz Frequency Tolerance (at 25°C) ±20ppm Max (See Options) Turnover Temperature +25°C ±5°C Load Capacitance (CL) 12.5pF (See Options) Equivalent Series Resistance (ESR) 65K Ohms max Drive Level 1.0 uWatt Max Operating Temperature -40°C to +85°C Storage Temperature -55°C to +125°C Shunt Capacitance (Co) 1.8pF typ Aging ±3ppm/First Year Max Mode of Operation Flexural Mode (Tuning Fork) Frequency Stability -0.035(±0.01) ppm / (Change in °C)2 Typ, Parabolic Curve 500 Mohms Min (at 100Vdc ±15Vdc) Insulation Resistance Part Number Guide Please consult with MMD sales department for any other parameters or options. Revised J: 09/06/17 Page 2 of 6 www.mmdcomp.com WC146SM Mechanical Details The part of the metal cylinder inside the resin mold may sometimes be exposed on the top or bottom of this crystal unit. This aspect is purely cosmetic and does not have any effect on the quality, reliability, or electrical performance of the crystal unit NOTE: Tape & Reel Dimensions PITCH TAPE REEL COUNT Revised J: 09/06/17 4.0 16.0 330 [13 IN] 1000 Page 3 of 6 Notes: UNLESS OTHERWISE SPECIFIED 1. Applicable Standards / Specifications ANSI Y14.5M, Dimensions and Tolerances EIA-481-B, 8mm through 200mm Embossed Carrier Tapping and 8mm and 12mm Punched Carrier Tapping 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. www.mmdcomp.com WC146SM Pb Free Solder Reflow Profile Revised J: 09/06/17 Page 4 of 6 www.mmdcomp.com