RESISTANCE WELD LOW PROFILE CRYSTAL MODEL: HC49SPX FEATURES OPTIONS • Low Cost • Fundamental to 50 MHz • Tape and Reel (1,000 pcs. STD) • Tolerances to < 10 PPM • Stabilities to < 5 PPM • Temperatures to -40ºC ~ +85ºC DISCONTINUED • PART NUMBER SELECTION Learn More - Internet Required Model Frequency Operating Number Stability Temperature 448-Frequency-xxxxx HC49SPX ±50 PPM -20 ~ +70 ºC Part Number Frequency Range (MHz) 3.200 ~ 70.000 • 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) 2 2 Internet required MAX (unless otherwise noted) 3.200 ~ 70.000 MHz ±50 PPM Drive Level Aging @ 25ºC; per year 1 Learn more about: Part Marking Identification Tape and Reel Specification ±50 PPM -20ºC ~ +70ºC -40ºC ~ +85ºC 7.0 pF 10 pF ~ Series (Customer Specified) 0.5 mW ±5 PPM Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer Service for specific requirements. Lead free solder reflow profile is not recommended for the HC49SPX All specifications subject to change without notice. Rev. 4/04/05 Frequency Range (MHz) 3.200 ~ 3.500 3.500+ ~ 4.000 4.000+ ~ 5.000 5.000+ ~ 6.000 6.000+ ~ 7.000 7.000+ ~ 9.000 9.000+ ~ 13.000 13.000+ ~ 20.000 20.000+ ~ 50.000 27.000 ~ 70.000 Operating Mode Max ESR Ω Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental Fundamental 3rd OT 300 200 150 120 100 80 60 40 30 100 2 FOXElectronics All dimensions are in millimeters. 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1(239) 693.0099 FAX +1 (239) 693.1554 http://www.foxonline.com EMEA Munich, Germany +49 0 89.90936870 FAX +49 0 89.90936776 | Asia Hong Kong +852.2854.4285 FAX +852.2854.4282 © 2005 FOX ELECTRONICS