RESISTANCE WELDED HOLDER TYPE CRYSTAL UNITS FEATURES Low Cost Industry Standard Wide Frequency Range Excellent Aging 'AT' Cut Crystal The HC-49U series is an industry standard AT cut crystal housed in a HC-49U package. It is our standard resistance weld quartz crystal. Crystal Units HC-49U Series Electrical Specifications Parameter Frequency Range Frequency Tolerance Temperature Stability Operating Temperature Range Storage Temperature Range Shunt Capacitance Load Capacitance Insulator Resistance Drive Level Aging Symb FO F/ FO TC TOPR TSTG CO CL IR DL Fa Condition AT 25 REF TO 25 Min 1.8432 10 10 -20 -40 Typ Max 125 50 50 +70 +85 7 Series 30 30 10 500 Customer Specified 100VDC ,per year pF pF M mW ppm 500 +5.0 100 AT 25 Units MHz ppm ppm -5.0 Equivalent Series Resistance(ESR) and Mode of Vibration(Mode) Max ESR( 650 500 250 150 100 80 Frequency Range(MHz) 1.8432 to 1.999 2.000 to 2.999 3.000 to 3.499 3.500 to 3.999 4.000 to 4.999 5.000 to 5.999 Frequency Range(MHz) 6.000 to 7.999 8.000 to 12.999 13.000 to 32.000 24.000 to 29.999 30.000 to 79.999 80.000 to 125.000 Mode Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental ) Max ESR( 50 35 25 60 40 90 ) Mode Fundamental Fundamental Fundamental rd 3 Overtone rd 3 Overtone th 5 Overtone Mechanical Dimensions(mm) 10.24Max 12.7Min 13.46Max 3.80Max 4.88 0.43 0.2 0.05 11.05Max 4.65Max 6 TAIWAN: HOSONIC ELECTRONIC CO., LTD. 23-1 LANE 84. CHUN YING ST. SHULIN CHEN. RSG Electronic TAIPEI 23804. TAIWAN RSG 886-2-86875200 Components GmbH Sprendlinger Landstr. 115 D-63069 Offenbach/Germany 886-2-26816456 ■ Tel. +49 69 984047-0 Fax +49 69 984047-77 [email protected] www.rsg-electronic.de WEB SITE:http://www.hosonic.com.tw ELECTRONIC COMPONENTS ■ ■ Änderungen vorbehalten / subject to change without notice ■ ■ Specifications are subject to change without notice ■