tel: 0044 (0)118 979 1238 fax: 0044 (0)118 979 1283 e-mail: info@actcrystals.com paramete r specification specification condition nominal frequenc y fo 32.768kh z 32.768kh z frequenc y tolerance ? f/fo 20ppm 20ppm @ 25c frequenc y v temp characteristics ? f/fo see fi g . 1 see fi g . 1 -10 ~ +60c turnover temperatur e tm 25c 5c 25c 5c refer to fi g 1 freq. temp. coefficient ? -0.0350.008 ppm/c2 -0.04 ppm/c2 temp operatin g ran g e topr -40 ~ +85c -40 ~ +85c temp stora g e ran g e tst g -40 ~ +85c -55 ~ +125c equivalent series resistance esr 50k ? max 50k ? max @ 25c shunt capacitanc e co 1.18pf t y pical 1.45pf t y pical motional capacitance c1 2.65ff t y pical 2.8ff t y pical load capacitance cl 12.5pf 12.5pf & 6.0pf please specif y capacitance ratio ? 430 t y pical 480 t y pical drive level dl 1 ? w max 1 ? w max insulation resistance ir 500m ? min 500m ? min @ dc 100v 15v ag in g ( first y ear ) fa 5ppm ma x 3ppm ma x 25c 3c dimensions (mm ) fig 1. issue 3 c1b date 31-5-2012 specification act200b and act200 c the act200b and act200c are miniature smd watch crystals with excellent low power consumption, making it ideal for portable applications. its small footprint makes it suitable for high density circuit boards and applications where pcb space is limited. the tape and reel packaging means that it is ideal for automatic placement machines (loose product is also available). the heart of the device is a heat resistant precision tuning fork, cylinder type, crystal which provides for good stability characteristics, sufficient to allow reflow soldering. both parts are rohs compatiblethe act200c being lead free and the 200b having high melting point tin lead solder exempted by the directive. app lications include: clock, sub clock, small communications devices, microcom p uter etc. rohs 200b 200c symbol for quotations or further information please contact us at: http://www.actcrystals.com 3 the business centre, molly millars lane, wokingham, berkshire, rg41 2ey, uk please note that all parameters can not necessarily be specified in the same device customer to specify: load capacitance / act200b or act200c in line with our ongoing policy of product evolvement and improvement, the above specification may be subject to change without notice iso9001:2000 registered
tel: 0044 (0)118 979 1238 fax: 0044 (0)118 979 1283 e-mail: info@actcrystals.com act200b / act200 c tape and reel specification standard reel quantity 3000 pieces per reel reel diameted 3300.5mm act 200b a ct 200c issue 3 c1b date 31-5-2012 for quotations or further information please contact us at: 3 the business centre, molly millars lane, wokingham, berkshire, rg41 2ey, uk http://www.actcrystals.com iso9001:2000 registered soldering of smd watch crystals reflow oven should be set up to emulate or better the maximum reflow profile shown in the diagrams below. note: the times given as well as the temperatures are equally important to avoid excessive changes of the crystals characteristics. it is advised that trials with any new reflow profile are carried out to determine the suitability of that profile.
example : el 0 0 0 0 3 g i - pf (act200b) (32.768khz ) (20ppm) (-40+85) (rohs) package l = loose d = 3k reel - pf n 6 h 12.5 code g i -40+85 notes : 1) 2) 3) stability over operating temperature (oc) please refer to the data. issue 3 c1b date 31-5-2012 commodity code 854160 00 00 for quotations or further information please contact us at: 3 the business centre, molly millars lane, wokingham, berkshire, rg41 2ey, united kingdom http:www.actcrystals.com tolerance (pm) @ 25oc ppm 20 other tolerances, cl's and other operating temperature ranges may be available. 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 device may have a part number such as ek00003c- c1101-pf) iso9001 registered operating temperature range (oc) full example part number el0003gihd-pf 32.768khz 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 ) frequency to 999.9999khz 1st five digits of frequency ( see available frequency range on data sheet. ) load capacitance ( pf or series resonance) rohs comp' example act 200b/200c watch crystals ( 32.768khz ) - part numbering & commodity code hd (12.5pf) (3k reel ) device series code 200b = el 200c = am
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