“X3215” series 3.2x1.5x0.8 mm 32.768 KHz Tuning Fork Surface Mount Crystal MERCURY Since 1973 Precision time piece in miniature ceramic package for SMD mounting. 100% RoHS compliant and lead-free product. Low aging. High shock and vibration resistant. Applications include real-time clocks, battery operated devices. GENERAL SPECIFICATIONS Mercury Part No. Frequency Crystal Cut Mode of Oscillation Turnover Temperature Frequency Tolerance at 25°C Frequency vs. Temperature Equivalent Series Resistance Shunt Capacitance (Co) Motional Capacitance (C1) Load Capacitance (CL) Drive Level Aging at 25°C Insulation Resistance Packaging X3215-32.768K-12.5P or X3215-32.768K-9P 32.768KHz X-CUT Fundamental mode 25°C ±5°C ±20ppm max. with drive level at 0.1 uW -0.04 ppm± 0.008 ppm/°C2 max. Parabolic 65 KΩ typical; 70 KΩ max. with drive level at 0.1 uW 1.6 pF typical; 2.0 pF max. 3.6 fF typical 9 pF or 12.5pF 0.1 μW typical; 1.0 u W max. ±3 ppm / year max. 500 MΩ min. at 100 V±15 V DC 8 mm tape. 4 mm pitch, 180 mm reel, 3000 pcs per reel. FREQUENCY TEMPERATURE CHARACTERISTIC CURVE by curve by calculation f / ∆f (ppm) Frequency deviation at one particular temperature (Tx) with respect to the frequency at +25°C is ∆f /f (ppm) = -0.04 * (Tx – 25) 2 Example: at +60°C, the frequency drifts -49 ppm. 2 ∆f /f (ppm) = -0.04*(60-25) = - 49 ppm HOW TO ORDER Please order either X3215-32.768K-9P or X3215-32.768K-12.5P " X3215 — 32.768K — 9P ": Please specify n o p n: Crystal package prefix ; o: Frequency: 32.768 KHz; p: Load Capacitance (CL): 9P for 9 pF load capacitance; 12.5P for 12.5 pF load capacitance. MERCURY www.mercury-crystal.com Taiwan: TEL (886)-2-2695-7099, FAX (886)-2-2695-7473, e-mail: [email protected] U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: [email protected] MERCURY Page 2 of 2 Date: Aug. 1, 2007 Rev. 1 “X3215” series 3.2x1.5x0.8 mm 32.768 KHz Tuning Fork Surface Mount Crystal MERCURY Since 1973 ENVIRONMENTAL SPECIFICATIONS Green Requirement RoHS compliant and Pb (lead) free Operable Temperature Range -40°C to +85°C Storage Temperature -55°C to +125°C Shock ±10 ppm max. Free drop 3 times from 75 cm height onto a hard wooden board. Vibration ±5 ppm max. Frequency: 10 to 60 Hz, amplitude: 1.5 mm , period: 2 ~3 min., duration: 2 hours each direction. Resistance to Soldering Heat ±5 ppm max. Reflow twice at 260°C and 10 sec. max. Temperature Cycling ±10 ppm max. 100 cycles of -40°C to +85°C, 30 min. soak time at each temp. extreme High and Low Temperature Operating Life ±7 ppm max. at +85°C for 500 hours; ±10 ppm max. at -40°C for 500 hours Highly Accelerated Stress Test ±10 ppm max. +60°C, 90 to 95% relative humidity for 500 hours PACKAGE DIMENSIONS AND RECOMMENDED LAND PATTERN unit: mm RECOMMENDED REFLOW SOLDERING PROFILE MERCURY Page 2 of 2 Date: Aug. 1, 2007 Rev. 1