e8ws series ? rohs compliant ? 32.768khz watch crystal ? miniature two pad surface mount package ? 20ppm frequency tolerance ? 9.0pf or 12.5pf parallel resonant load capacitance ? tape and reel available crystal e8ws manufacturer category series package class rev . date ecliptek corp. crystal e8ws ceramic cr57 08/07 notes _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 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_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ electrical specifications frequency frequency tolerance (at 25c) frequency stability operating temperature range aging (at 25c) storage temperature range shunt capacitance motional capacitance equivalent series resistance insulation resistance drive level load capacitance (c l ) 32.768khz 20ppm -0.04ppm / ( c) 2 maximum, parabolic; turn over temperature at 25c 5c -40c to +85c 3ppm / year maximum -55c to +125c 1.0pf typical, 2pf maximum 3.4ff typical 70,000 ohms maximum 500 megaohms minimum at 100v dc 0.5watt maximum 12.5pf parallel resonant or 9.0pf parallel resonant 800-ecliptek www.ecliptek.com for latest revision specifications subject to change without notice. h 0.8 l 3.2 w 1.5
marking specifications manufacturer category series package class rev . date ecliptek corp. crystal e8ws ceramic cr57 08/07 part numbering guide e8wsdc 12 - 32.768k tr load capacitance 09 = 9pf parallel resonant 12 = 12.5pf parallel resonant mechanical dimensions all dimensions in millimeters parabolic temperature curve package options blank = bulk tr = tape and reel tape and reel dimensions all dimensions in millimeters m n o p q 1.5 min 50 min 20.2 min 13.5 40 min r s t u v qty/reel 2.5 min 10 min 18.4 max 180 max 12.4+2-0 3,000 reel a b c d e 12.3 5.5.1 4.75.1 4 .2 2.1 f g h j k l 4.1 a0* 1.5 .1 b0* 0.6 max k0* tape suggested solder pad layouts all dimensions in millimeters 800-ecliptek www.ecliptek.com for latest revision specifications subject to change without notice. line 1: xxxxx ecliptek manufacturing code *compliant to eia481a 3.2 0.1 1.5 0.1 0.8 0.1 (x2) 0.8 0.1 1.8 0.1 1 2 marking orientation pad connections 1.0 (x2) 1.5 1.8 environmental/mechanical specifications characteristic specification fine leak test mil-std-883, method 1014, condition a gross leak test mil-std-883, method 1014, condition c mechanical shock mil-std-883, method 2002, condition b characteristic specification resistance to soldering heat mil-std-202, method 210 solderability mil-std-883, method 2003 vibration mil-std-883, method 2007, condition a
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