Quartz Crystal CSX2 Model 3.5X6 mm Low Profile SMD Crystal 12MHz to 45MHz (fund) Calibration Tolerance: Frequency Stability: Temperature Range: Storage: Shunt Capacitance: Drive Level: Aging: ESR: ±10ppm to ±50ppm ±10ppm to ±100ppm ree dF S a Le oH ant -20°C to 70°C R pli m -40°C to 85°C Co 5.0pF Max 50uW Typical, 300uW Max ±3ppm Max 1st/yr see table 1 Packaging: Designed to meet the precision and space requirements needed for wireless applications. RECOMMENDED REFLOW SOLDERING PROFILE TEMPERATURE Frequency Range: 1K Tape and Reel ** Custom Designs Available Ramp-Up 3°C/Sec Max. 260°C Critical Temperature Zone Ramp-Down 6°C/Sec. 217°C 200°C 150°C Preheat 180 Secs. Max. 8 Minutes Max. Aging: 260°C for 10 Secs. Max. <3ppm 1st/yr Max NOTE: Reflow Profile with 240°C peak also acceptable. 0.236±0.008 (6.0±0.20) CRYSTEK 20M DC Bottom View 0.137±0.008 (3.5±0.20) 4 1 0.100±0.005 (2.40±0.20) 0.039±0.008 (1.0±0.20) Top View 90 Secs. Max. 1 2 4 3 3 0.118±0.003 (3.0±0.10) 2 Suggested Pad Layout 0.189 (4.8) 0.035 (0.9) 0.055 (1.4) 0.094 (2.40) 0.055 (1.4) 0.071 (1.8) Dimensions inches (mm) All dimensions are Max unless otherwise specified. Build Your Own P/N CSX2-XX-XX-Freq Frequency Tolerance at 25°C A ±10 ppm B ±25 ppm C ±50 ppm Frequency Stability over Temp Range A B C D ±10 ppm ±25 ppm ±50 ppm ±100 ppm Load Capacitance (-20 to 70°C) (-20 to 70°C) (-20 to 70°C) (-20 to 70°C) Example: CSX2-AB-18-44.736 = ±10ppm at 25°C, ±25ppm -20 to 70°C, 18pF Load Cap, Fund, 44.736MHz PIN 1 2 3 4 Signal Crystal GND Crystal GND 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 Resistance at series resonance Freq. (MHz) Max ESR 12.0 - 20.0 (F) 20.1 - 45.0 (F) 50 40 Table 1 Specifications subject to change without notice. TD-021010 Rev.G