Pl tronics,. Inc. 19013 36th Ave. W, Suite H Lynnwood, WA 98036 USA Manufacturer of High Quality Frequency Control Products SM39S Crystal 4 Lead Surface Mount Plastic Crystal Solder Pad Compatible with our SM55, SM45, SM40 and other SM Crystals from Epson, Meiden & Citizen 3.500 MHz – 70.000 MHz Standard Specifications Calibration Frequency Tolerance at 25 °C Operating Temperature Range (OTR) Frequency Stability (FS) over OTR Drive Level Aging at 25°C Shunt Capacitance ± 50 PPM 0 to +70°C is standard, but can be extended to -40 to +85°C ± 50 PPM is standard, ± 100 PPM at extended temperature range 50 mW is standard, customer may specify ± 5 PPM per year 7 pF maximum Part Numbering Guide ESR Values Oscillation Mode Portions of the part number that appear after the frequency may not be marked on part (C of C provided) SM39S E - xx - 70.0M - XXX (Internal Code or blank) Model Frequency Range (MHz) Fundamental AT Cut 3.500 4.000 6.000 10.000 3.999 5.999 9.999 34.000 200 150 100 50 3rd Overtone AT Cut 27.000 – 35.999 36.000 – 70.000 100 80 Frequency in MHz Load Capacitance Parallel Resonance in pF (³ 10 pF) SR = Series Resonance Temperature Range Blank: 0 to +70°C E: - 40 to +85°C (± 50 /100 PPM) – – – – Maximum ESR (Ohms) Consult factory for lower ESR Consult factory for available frequencies and specs. Not all options available for all frequencies. A special part number may be assigned. Mechanical: inches (mm) Solder Pads not to scale Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code. .146 (3.7) MAX .181 (4.6) MAX .492 (12.5) MAX 4 3 Packaging 24mm tape 12mm pitch .299 (7.6) 4 GND 3 .067 (1.7) 1 GND 2 .07 (1.8) 2 1 .370 (9.4) .07 (1.8) Dec 2003 Pl tronics, Inc. (425) 776 -1880, Fax: (425) 776-2760, [email protected], www.pletronics.com 38