TIGHT TOLERANCE THERMOPLASTIC ENCASED SMD CRYSTAL CRYSTAL FK The FK is an AT-cut tight tolerance SMD crystal designed to withstand extreme heat from IR reflow operations. This new compact package is formed before the crystal is inserted which allows for tighter tolerances and stabilities. FEATURES • • • • Tight Tolerance and Stability Cost Effective Excellent Hermeticity Tape and Reel (1,000 pcs. STD) Actual Size DISCONTINUED • FK 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) 3.579 ∼ 4.000 4.000+ ∼ 5.000 5.000+ ∼ 6.000 6.000+ ∼ 7.000 7.000+ ∼ 9.000 Operating Temperature 0ºC ~ +50°C -10ºC ~ +50°C -10ºC ~ +60°C -10ºC ~ +70°C -20ºC ~ +70°C -30ºC ~ +80°C -40ºC ~ +85°C CONDITIONS Ta = 25ºC See below MAX 90.000 +20 * UNITS MHz PPM -40 +90 7.0 Series 0.1 +5.0 ºC pF pF mW PPM Oper. Mode Fundamental Fundamental Fundamental 3rd OT Max ESR Ω 60 40 30 100 See below Customer Specified 3.579545 ~ 90.000 MHz Ta = 25ºC; per year Operating Mode Fundamental Fundamental Fundamental Fundamental Fundamental ±7.5PPM * * * * MIN 3.579545 -20 * Max ESR Ω 200 150 120 100 80 ±10PPM * * * * * ±15PPM * * * * * * 10.0 -5.0 Frequency Range (MHz) 9.000+ ∼ 13.000 13.000+ ∼ 20.000 20.000+ ∼ 30.000 30.000 ∼ 90.000 ±20PPM * * * * * * * ±30PPM * * * * * * * ±50PPM * * * * * * * ±100PPM * * * * * * * * Other tolerances available. Consult Fox Customer Service for specific requirements, or use crystal order form on page 6. All specifications subject to change without notice. Rev. 6/2/98 Inch dimensions shall govern. All dimensions are in inches & parenthetically in millimeters. See page 26 for tape and reel specifications. FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 941-693-0099 © 1998 FOX ELECTRONICS FAX 941-693-1554 http://www.foxonline.com 19