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SMD TUNING FORK MODEL: FX145 FEATURES • • • • Ultra Low Profile 0.9mm Height Long Term Stability Tape and Reel (3,000 pcs. STD) Learn more about: Part Marking Identification Tape and Reel Specification • PART NUMBERLearn More - Internet Required Part Number 740-0.032768-xxxxx Frequency Operating Model Frequency Stability Temperature Number 2 FX145 - 0.04PPM/( ∆ ºC) -40 ~ +85 ºC 32.768 kHz Internet required • STANDARD SPECIFICATIONS PARAMETERS Frequency Frequency Tolerance @ 25ºC Frequency Stability Temperature Coefficient Temperature Range Turnover (TO) Operating (TOPR) Storage (TSTG) Equivalent Series Resistance (RS) Load Capacitance (CL) Insulation Resistance @ 100VDC Drive Level Aging per year Reflow Soldering Temperature Moisture Sensitivity Level (MSL) Termination Finish MAX (unless otherwise noted) 32.768 kHz ±20 PPM -0.04 PPM / (∆ºC)2 +20ºC ~ +30ºC -40ºC ~ +85ºC -55ºC ~ +125ºC 70 kΩ 12.5 pF (Standard) Others available 500 MΩ Min 1.0 µW ±5 PPM 260ºC x 10 Seconds (2 Cycles) 1 Ni/Au All specifications subject to change without notice. Rev. 5/17/05 All dimensions are in millimeters. 28 FOX Electronics 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