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| Page 1 of 2 Tel: 0044 (0)118 979 1238 Fax: 0044 (0)118 979 1283 E-mail: info@actcrystals.com ACT201 The ACT201 is a miniature surface mount Watch Crystal whose low power consumption makes it ideal for portable applications. It's size makes it suitable for high density circuit boards or applications where space is limited and the tape and reel packaging means that it is ideal for automatic placement machines. The heart of the device is a heat resistant cylinder type crystal which gives it high stability characteristics sufficient to allow reflow soldering. The epoxy based encapsulation makes it less porous than the ACT200 and, therefore, better suited to post reflow washing Specification Parameter Nominal Frequency Frequency Tolerance Frequency v Temp Characteristics Turnover Temperature Freq. Temp. coefficient Temp Operating Range Temp Storage Range Equivalent Series Resistance Shunt Capacitance Load Capacitance Motional Capacitance Drive Level Insulation Resistance Aging (first year) Symbol fo f/fo f/fo Tm Topr Tstg ESR Co CL C1 DL IR Fa Specification 32.768KHz 20ppm See drawing 25C 5C (3.5 0.8) x 10-8/C max -40 ~ +85C -55 ~ +125C 50K max 1.0pF Typical 12.5pF 2.1fF Typical 1W max 500M min 5ppm Condition @25C -10 ~ +60C @25C @DC100v @25C 8.7 max 1.3 4.2 1.8 3.7 max 1.0 Dimensions in mm Suggested Footprint -20 -10 0 -10 -20 0 Temperature C +10 +20 +30 +40 +50 +60 5.5 -30 -40 -50 2.5 max -60 f/f (ppm) Typical Temperature Characteristics 0.5 mm 0.1 1.15 0.2 Please note that all parameters can not necessarily be specified in the same device Customer to specify : Frequency Tolerance, Load Capacitance, Operating Temperature Range & Storage Temperature Range 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, Berkshire, RG41 2EY, UK http://www.actcrystals.com Issue : 4 I3 Date : 17/08/04 2 of 2 Page 2 of 2 Tel: 0044 (0)118 979 1238 Fax: 0044 (0)118 979 1283 E-mail: info@actcrystals.com ACT 201 TAPE AND REEL ACT 201 REFLOW DIAGRAM Please note that all parameters can not necessarily be specified in the same device Customer to specify : Frequency Tolerance, Load Capacitance, Operating Temperature Range & Storage Temperature Range 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, Berkshire, RG41 2EY, UK http://www.actcrystals.com Issue : 4 I3 Date 17/08/04 2 of 2 |
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