CSX2 Model 3.5×6.0 mm Low Profile SMD Crystal 0.236±0.008 (6.0±0.20) RECOMMENDED REFLOW SOLDERING PROFILE Ramp-Up 3°C/Sec Max. Bottom View CRYSTEK FreqM DC* 0.137±0.008 (3.5±0.20) 0.100±0.005 (2.40±0.20) #1 #2 #4 #3 Critical Temperature Zone Ramp-Down 6°C/Sec. 260°C 0.035 (0.9) 217°C 0.118±0.003 (3.0±0.10) 200°C 0.055 (1.4) 150°C 0.039±0.008 (1.0±0.20) Suggested Pad Layout 0.189 (4.8) Top View (4) Preheat 180 Secs. Max. (3) 90 Secs. Max. 8 Minutes Max. 0.094 (2.40) (1) 260°C for 10 Secs. Max. 0.055 (1.4) (2) NOTE: Reflow Profile with 240°C peak also acceptable. 0.071 (1.8) Marking Specifications: *DC = Date Code Dimensions inches (mm) All dimensions are maximum unless otherwise specified PIN Signal 1 2 3 4 Crystal GND Crystal GND Frequency Range: 8.000 MHz to 50.000 MHz (Fund) 40.000 MHz to 100.000 MHz (3rdOT) Calibration Tolerance: ±10ppm to ±50ppm Frequency Stability: ±15ppm to ±100ppm Operating Temp. Ranges: -20°C to 70°C Storage Temp. Range: -40°C to 85°C Resistance: See Table 1 Shunt Cap: 5pF Max Holder Type: 3.5×6.0mm SMD Build Your Own P/N Aging: Drive level: Motional Capacitance: Spurious Response: C0/C1 Ratio: Pullability: Trim Sensitivity: Temp. Coefficient: ±3ppm/1st yr Max 50uW Typical, 300uW Max Not Specified Not Specified Not Specified Not Specified Not Specified Not Specified Custom Designs Available CSX2 - X X X - X X - Freq Frequency Tolerance at 25°C A ±10 ppm B ±25 ppm C ±50 ppm Packaging Specifications: 1K ea. Tape and Real Frequency Stability over Temp Range A B C D ±15 ppm ±25 ppm ±50 ppm ±100 ppm (-20 (-20 (-20 (-20 to to to to Mode 70°C) 70°C) 70°C) 70°C) “1” or “Blank” Fundamental 8 - 50 MHz “3” 3rd Overtone 40 - 100 MHz Resistance at series resonance Freq. (MHz) Max ESR (ohms) 8.0 - 10.0 (F) >10.0 - 14.0 (F) >14.0 - 50.0 (F) 40.0 - 100.0 (3rd) 150 80 50 80 Load Capacitance S 12 14 16 18 20 22 25 32 Series 12 pF 14 pF 16 pF 18 pF 20 pF 22 pF 25 pF 32 pF Example: CSX2-AB-18-44.736 = ±10ppm at 25°C, ±25ppm -20 to 70°C, Fundamental, 18pF Load Cap, 44.736 MHz Table 1 Specifications subject to change without notice. CRYSTEK CORPORATION TD-021010 Rev. L 12730 Commonwealth Drive • Fort Myers, Florida 33913 Phone: 239-561-3311 • 800-237-3061 Fax: 239-561-1025 • www.crystek.com