tel: 0044 (0)118 979 1238 fax: 0044 (0)118 979 1283 e-mail: info@actcrystals.com ( typical ) frequency esr khz k max 25.00 ~ 30.00 50 30.00 ~ 32.00 40 32.00 ~ 40.00 35 40.00 ~ 80.00 30 80.00 ~ 150.00 25 150.00 ~ 200.00 40 in line with our ongoing policy of product evolvement and improvement, the above specification may be subject to change without notice. iso9001: 2000 registered for quotations or further information please contact us at: 3 the business centre, molly millars lane, wokingham, berks, rg41 2ey, uk http://www.actcrystals.com ACT26 specification specification symbol parameter the ACT26 is a miniature cylindrical package offering high vibration and shock resistance together with high stability. it is most suitable for portable equipment and close packing density. the series offers a wide, low frequency range and is popular for use in microprocessor, consumer and instrumentation applications frequency range frequency tolerance @25c turnover temperature freq. temp. coefficient temp operating range temp storage range equivalent series resistance shunt capacitance load capacitance motional capacitance drive level capacitance ratio q factor insulation resistance aging fo f/fo tm dl ir topr tstg esr c0 cl c1 see table 1.8pf typical 25.00 ~ 200khz 10ppm ~ 100ppm 25c 5c -0.034 0.006ppm / c2 max -10 ~ +60c -20 ~ +70c 3.0ff fa qf 5ppm 450 typical 1.0 w max @ 25c 3c please note that all parameters can not necessarily be specified in the same device customer to specify : frequency, frequency tolerance, operating temperature range & load capacitance condition 150khz ~ 200khz, supplied as 100ppm only @ 25c please specify 60,000 typical 500m min 12.5pf (others available.) 6.0 max 7.0 ? dimensions in mm 2.0 0.24 0.07 0.65 0.15 issue : 3c1 date : 03/08/04 1 of 2
http://www.actcrystals.com in line with our ongoing policy of product evolvement and improvement, the above specification may be subject to change without notice. iso9001: 2000 registered for quotations or further information please contact us at: 3 the business centre, molly millars lane, wokingham, berks, rg41 2ey, uk tel : 0044 (0)118 979 1238 fax : 0044 (0)118 979 1283 email : info @ actcr y stals.com soldering of cylinder crystals lead wire should be soldered within 10seconds with the iron having a tip temperature of less than 270c. with regard to wave soldering it is recommended that the process is carried out with the crystal unit set upright on the circuit board. should the process be carried out with the crystal unit on its side then steps must be taken to prevent heat transfer through the can. should the whole crystal unit be heated (in a re-flow oven for example) it will result in amarked deterioration of the performance or even failure to oscillate. this is due to the internal construction of the crystal unit which involves the use of solder. 2 of 2
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