sm39s crystal 4 lead surface mount plastic crystal solder pad compatible with our sm55, sm45, sm40 and other standard specifications calibration frequency tolerance at 25 c 5 0 ppm is standard, tighter tolerances available operating temperature range (otr) 0 to +70 c is standard, but can be extended to -40 to +85 c frequency stability (fs) over otr 5 0 ppm is standard, tighter tolerances available drive level 50 m w is standard, customer may specify aging at 25 c 5 ppm per year shunt capacitance 7 pf maximum oscillation maximum frequency range 3.500 ? 3.999 fundamental at cut 200 4.000 ? 5.999 150 3rd overtone at cut part numbering guide consult factory for available frequencies and specs. consult factory for lower esr (425) 776 - 1880, fax: (425) 776 - 2760, ple - sales@pletronics.com, www.pletronics.com 38 pl tronics, inc. mechanical: inches (mm) not to scale mode (mhz) esr (ohms) not all options available for all frequencies. a special par t number may be assigned. esr values 3.500 mhz ? 70.000 mhz 6.000 ? 9.999 100 10.000 ? 34.000 50 27.000 ? 35.999 100 sept 2003 solder pads due to part size and factory abilities, part marking may var y from lot to lot and may contain our part number or an inte rnal code. 36.000 ? 70.000 80 .067 (1.7) .07 (1.8) .07 (1.8) .299 (7.6) 1 2 4 3 gnd gnd .370 (9.4) .146 (3.7) max 4 .492 (12.5) max .181 (4.6) max 3 1 2 sm crystals from epson, meiden & citizen pl tronics , inc. 19013 36th ave. w, suite h lynnwood, wa 98036 usa manufacturer of high quality frequency control products . portions of the part number that appear after the frequency may not be marked on part (c of c provided) model frequency in mhz temperature range sm39s b e - xx - 70.0m - xxx (internal code or blank) load capacitance parallel resonance in pf ( 3 10 pf) sr = series resonance blank: 0 to +70 c e: - 40 to +85 c h: - 20 to +70 c cal tol / freq stability blank = 50/50 a = 30/50 b = 30/30 c = 15/30 d = 10/20 (consult factory) packaging 24mm tape 12mm pitch
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