SM7S Series Low Frequency Crystal November 2018 The Pletronics SM7S Series is a miniature 32.768 KHz only surface mount crystal. 1.2 x 2.0 mm 2 pad The package is ideal for automated surface mount assembly and reflow practices. Tape and Reel packaging Pletronics Inc. certifies this device is in accordance with the RoHS 6/6 (2011/65/EC) and WEEE (2002/96/EC) directives. Pletronics Inc. guarantees the device does not contain the following: Cadmium, Hexavalent Chromium, Lead, Mercury, PBBs, PBDEs W eight of the Device: 0.014 grams Moisture Sensitivity Level: 1 As defined in J-STD-020D.1 Second Level Interconnect code: e4 Part Number: SM7S - 9 - 32.768K -20 -XX Internal code or blank o blank = 30ppm at 25 C o 20 = 20ppm at 25 C o 10 = 10ppm at 25 C Nominal Frequency in KHz Load Capacitance Blank = 12.5pF 9 = 9pF (other values are special order) Model Number Reliability: Environmental Compliance Parameter Condition Mechanical Shock MIL-STD-883 Method 2002, Condition B Vibration MIL-STD-883 Method 2007, Condition A Solderability MIL-STD-883 Method 2003 Thermal Shock MIL-STD-883 Method 1011, Condition A Product information is current as of publication date. The product conforms Copyright 2018 Pletronics Inc. to specifications per the terms of the Pletronics standard warranty. Production processsing does not necessarily include testing of all parameters. SM7S Series Low Frequency Crystal November 2018 Electrical Specification: Item Min Max Unit Condition Frequency 32.768 kHz oo Calibration Frequency Tolerance -30 +30 ppm standard at 25 C + 3 C -20 +20 20 -10 +10 10 Equivalent Series Resistance -- 80K Ohms Drive Level -- 0.5 uW oo Turn Over Temperature 20 30 C Nominal is 25 C o2 Temperature Coefficient -0.034 + 0.006 ppm/ C typical oo Aging (for first year) -3 +3 ppm/Yr at 25 C + 3 C Insulation Resistance 500M -- Ohms at 100V DC o Operating Temperature Range -40 +85 C o Storage Temperature Range -55 +125 C Shunt capacitance Co 1.2 pF Typical www.pletronics.com 425-776-1880 2