RESISTANCE WELD CRYSTAL (GULLWING) CRYSTALS HC49UW The HC49UW Quartz Crystal features a rugged resistance weld package which allows for a better aging factor than its solder seal equivalent, HC18UW. OPTIONS FEATURES Extended Temp. Ranges Tighter Tolerances/Stabilities Low Cost Industry Standard Wide Frequency Range Excellent Aging "AT" Cut Crystal HC49UW STANDARD SPECIFICATIONS * PARAMETERS Frequency Range Frequency Tolerance Frequency Stability, ref @ 25ºC Temperature Range Operating (TOPR) Storage (TSTG) Shunt Capacitance (Co) Load Capacitance (CL) Drive Level Aging Frequency Range (MHz) 1.8432 ~ 2.000 2.000+ ~ 2.400 2.400+ ~ 3.000 3.000+ ~ 3.200 3.200+ ~ 3.700 3.700+ ~ 4.200 4.200+ ~ 4.900 4.900+ ~ 5.000 5.000+ ~ 6.000 CONDITIONS Ta = 25ºC Ta = -20ºC ~ +70ºC Customer Specified 1.8432 ~ 3.000 MHz 3.000+ ~ 180.000 MHz Ta = 25ºC; per year MIN 1.8432 -30 -50 MAX 180.000 +30 +50 UNITS MHz PPM PPM -20 -30 +70 +85 7.0 Series 2.0 1.0 +5.0 ºC 10.0 -5.0 Operating Mode Max ESR W Frequency Range (MHz) Operating Mode 750 Fundamental 6.000+ ~ 8.000 Fundamental 500 Fundamental 8.000+ ~ 10.000 Fundamental 300 Fundamental 10.000+ ~ 12.500 Fundamental 200 Fundamental 12.500+ ~ 16.000 Fundamental 120 Fundamental 16.000+ ~ 25.000 Fundamental 100 Fundamental 16.000 ~ 23.000 3rd OT 70 Fundamental 23.000+ ~ 65.000 3rd OT 55 Fundamental 60.000 ~ 110.000 5th OT 50 Fundamental 110.000 ~ 180.000 7th OT pF pF mW PPM Max ESR W 40 35 30 25 20 60 40 80 120 * Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer Service for specific requirements, or use crystal order form on page 6. All specifications subject to change without notice. Rev. 03/02/00 All dimensions are in millimeters. FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 941-693-0099 © 2000 FOX ELECTRONICS FAX 941-693-1554 http://www.foxonline.com 11