RESISTANCE WELD THRU-HOLE CRYSTAL HC49U FEATURES OPTIONS • • • • • • • • • • • • Low Cost Stocking Standard High Frequency Range Fundamental to 40 MHz Resistance Weld Tolerances to < 5 PPM Stabilities to < 3 PPM Temperatures to -40ºC ~ -85ºC Mylar Spacer Vinyl Sleeve Third Lead SMD Gullwing (HC49UW) DISCONTINUED • STANDARD SPECIFICATIONS1 PARAMETERS Frequency Range Frequency Tolerance @ 25ºC Frequency Stability, ref @ 25ºC Over Operating Temp Range Temperature Range Operating (TOPR) Storage (TSTG) Shunt Capacitance (Co) Load Capacitance (CL) MAX (unless otherwise noted) 1.8432 ~ 180.000 MHz ±30 PPM Drive Level 1.8432 ~ 3.000 MHz 3.000+ ~ 180.000 MHz Aging per year ±50 PPM -20ºC ~ +70ºC -40ºC ~ +85ºC 7.0 pF 10 pF ~ Series (Customer Specified) 2.0 mW 1.0 mW ±5 PPM Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer Service for specific requirements. All specifications subject to change without notice. Rev. 02/10/03 1 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 6.000+ ~ 8.000 8.000+ ~ 10.000 10.000+ ~ 12.500 12.500+ ~ 16.000 16.000+ ~ 40.000 23.000+ ~ 75.000 60.000 ~ 110.000 110.000 ~ 180.000 FOXElectronics Operating Mode Max ESR Ω Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental 3rd OT 5th OT 7th OT 750 500 300 200 120 100 70 55 50 40 35 30 25 20 40 80 120 All dimensions are in millimeters. 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +001(239)693-0099 FAX +001(239)693-1554 http://www.foxonline.com © 2003 FOX ELECTRONICS 23