paramete r symbol specification condition nominal frequency fo 32.768khz frequency tolerance @25c ? f/fo 20ppm dl 0.1 ? w frequency v temperature ? f/fo see drawing below turnover temperature tm 25c 5c temperature coefficient ? -0.0340.006ppm / c 2 ma x temp operating range topr -40 ~ +85c temp storage range tstg -55 ~ +125c equivalent series resistance esr 70k ? ma x load capacitance cl 12.5pf (standard) shunt capacitance c0 0.95pf typical motional capacitance c1 0.0033pf typical drive level dl 1.0 ? w max insulation resistance ir 500m ? @ 10015v dc min aging fa 3ppm max first year, 25c 3c reflow please refer to page 2 leakage <1x10 - 8 hpa 1/s helium leakage marking y = last character of year (eg 2=2012 ) m = month +++ = lot no, example: july 2012 lot no 25 6 issue 4 m4e 23/07/2012 http://www.actcrystals.com the act3215a is a miniature surface mount high density watch crystal in a seam sealed metal lid ceramic package offering light weight and low height. high stability is assured with a vacuum. it is very suitable for portable equipment and close component packing density requirements. the product is available taped and reeled on 3,000 piece reels and is fully rohs compatible. act321 5 a smx specification 9pf and 7pf available please specify in line with our ongoing policy of product evolvement and improvement, the above specification may subject to change without notice iso9001:2000 registered for quotations or further information please contact us at: tel : 0044 (0)118 979 1238 fax : 0044 (0)118 979 1283 email : info@actcrystals.com 3 the business centre, molly millars lane, wokingham, berkshire, rg41 2ey, uk material mass grams material mass grams ag 0.0720 mo 0.0458 al2o3 6.7161 ni 1.0202 au 0.8505 pd 0.0001 cao 0.0275 si resin 0.0080 co 0.5066 sio2 0.5674 cr2o3 0.2837 sn 0.0800 cu 1.5840 ti 0.0006 ge 0.0648 tio2 0.0732 mgo 0.0366 w 1.4000 total 13.33676g a ct 3215 material content ym +++ marking 123456789xyz month 123456789101112 27256
act3215 smx continued issue 4 m4e 23/07/2012 http://www.actcrystals.com tel : 0044 (0)118 979 1238 fax : 0044 (0)118 979 1283 email : info@actcrystals.com iso9001:2000 registered for quotations or further information please contact us at: 3 the business centre, molly millars lane, wokingham, berkshire, rg41 2ey, u k note: crystal products may be affected or even destroyed by ultrasonic cleaning. undertake trials of any cleaning process before committing that process to production.
example : s y 0 0 0 0 3 g i - pf (act3215a ) (32.7680khz ) (20ppm) (-40+85) (rohs) package l = loose d = 3k reel - pf m 7 k 9 h 12.5 code ppm ppm g 20 20 i -40+85 notes : 1 ) 2 ) 3) stability over operating temperature (oc) please refer to the data. issue 4 m4e 23/07/2012 3 the business centre, molly millars lane, wokingham, berkshire, rg41 2ey, united kingdom http:www.actcrystals.com operating temperature range (oc) full example part number sy0003gihd-pf 32.768khz act are always happy to consider truly custom specification parts which may require non-standard specification parameters, specific testing, customer requested aql requirements, non standard packaging or taping and reeling and custom marking. ( moq dependent ) such devices would normally be allocated a custom specification ( an act200a other tolerances, cl's and other operating temperature ranges may be available. as each of these specification parameters impact on each other, it is not always possible to combine all options in one device. therefore, if a specification not catered for above is required, please contact us directly for the relevant part number code(s). iso9001 registered for quotations or further information please contact us at: rohs comp' nb: it is important to suffix the above part number with the full frequency required to give a completed part number as illustrated below 00003 = 32.768khz ( only 32.768khz ) exam p le tolerance (pm) @ 25oc fre q uenc y to 999.9999khz 1s t five digits of frequency ( see available frequency range on data sheet. ) load capacitance ( pf or series resonance) act3215a watch crystal ( 32.768khz ) - part numbering hd (12.5pf) (3k reel ) commodity code 854160 00 00 device series code 3215a = s y
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