quartz crystals iqd frequency products ltd, station road, crewkerne, somerset ta18 8ar, united kingdom tel: +44 (1460) 270200; fax: +44 (1460) 72578; email: info@iqdfrequencyproducts.com web: www.iqdfrequencyproducts.com 12smx crystals issue 12; 1 november 2008 C rohs 2002/95/ec holder style 12smxCa, Cc, Cd are surface mount crystals encapsulated ? in a ceramic base with a resin sealed ceramic lid. 12smxCb is a ceramic base with seam sealed metal lid. ? general specifcations load capacitance (cl): 10pf to 75pf or series ? drive level: 0.1mw max ? static capacitance (c0): 7pf max ? packaging loose in bulk pack or tape and reel ? 12smxCb is the preferred package style ? standard frequency tolerances and stability 30ppm, 50ppm, 100ppm ? operating temperature ranges 0 to 50c ? C10 to 60c ? C20 to 70c ? C40 to 85c ? storage temperature range C40 to 85c ? marking includes frequency ? minimum order information required frequency + holder and pad confguration + ? frequency tolerance @ 25c + frequency stability + operating temperature range + circuit condition + overtone order outline (mm) 12smxCa 7.5 max 1.4 max 2.0 4.5 solder pad layout 2.2 4.1 2.4 5.2 max 2.2 outline (mm) 12smxCb 7.5 max 1.4 max 5.2 max 1 2 3 4 1.0 solder pad layout 1.4 1.1 2.2 4.1 2.2 2.5 4.5 pad connection 1. crystal 2. gnd 3. crystal 4. gnd note:- lid is connected to gnd outline (mm) 12smxCc 7.5 max 2.5 5.0 solder pad layout 2.2 2.2 2.4 2.6 1.4 max 5.2 max 2.2 2.4 outline (mm) 12smxCd 7.5 max. 1.4 max. 5.2 max 1 2 3 4 1.0 solder pad layout 1.4 1.1 2.2 4.1 2.2 2.5 4.5 pad connection 1. crystal 2. nc 3. crystal 4. nc
quartz crystals iqd frequency products ltd, station road, crewkerne, somerset ta18 8ar, united kingdom tel: +44 (1460) 270200; fax: +44 (1460) 72578; email: info@iqdfrequencyproducts.com web: www.iqdfrequencyproducts.com electrical specifcations C maximum limiting values frequency range frequency tolerance @25c 2c operating temperature range frequency stability available over operating temperature range esr max vibration mode minimum maximum 6.0 to <8.0mhz 20ppm to 100ppm 0 to 50c 20ppm 100ppm 150? fundamental C10 to 60c 20ppm C20 to 70c 20ppm C40 to 85c 30ppm 8.0 to <10.0mhz 20ppm to 100ppm 0 to 50c 20ppm 100ppm 80? fundamental C10 to 60c 20ppm C20 to 70c 20ppm C40 to 85c 30ppm 10.0 to <16.0mhz 20ppm to 100ppm 0 to 50c 20ppm 100ppm 60? fundamental C10 to 60c 20ppm C20 to 70c 20ppm C40 to 85c 30ppm 16.0 to <50.0mhz 20ppm to 100ppm 0 to 50c 20ppm 100ppm 40? fundamental C10 to 60c 20ppm C20 to 70c 20ppm C40 to 85c 30ppm 50.0 to <84.0mhz 20ppm to 100ppm 0 to 50c 20ppm 100ppm 60? 3rd overtone C10 to 60c 20ppm C20 to 70c 20ppm C40 to 85c 30ppm note : 12smxCa, Cc, Cd packages may not be available for all combinations for other frequency/specification combinations, please contact our sales office tape (mm) 2.15 ? 1.5 16.0 7.5 2.0 8.0 7.9 4.0 5.4 reel (mm) 120 (3 equal) 2.0 17.5 ? 13.0 ? 80.0 ? 250.0 ? 25 .0
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