A-1130 Wien Lilienberggasse 13 Tel.: +43-1-403 08 12 Fax: +43-1-408 72 13 e-mail: [email protected] http://www.knap.at Wolfgang Knap Gesellschaft m.b.H. & Co.KG Miniatur SM-Uhrenquartz miniature SM clock crystal • • • • • kleine Bauform, hohe Packungsdichte stabiles Schwingverhalten hervorragende Zuverlässigkeit weiter Betriebstemperaturbereich 2,5 mm Bauhöhe - gleich mit SM-IC’s • • • • • small outline for high density mounting stable performance excellent reliability wide operating temperature range 2,5mm thickness - equal to SM IC’s Abmessungen / dimensions M3 Part no. M3K032761CVVDFF0 Package type M3 Nominal frequency F 32,768 kHz Frequency tolerance at +25°C Δf/F ±20 ppm Load capacitance CL 12,5 pF Series resistance RS 50 kOhm max. Drive level P 1,0 µW max. Quality factor Q 50.000 min. Turnover temperature Tt +25°C ±5°C Parabolic curvature constant -0,034ppm±0,006ppm/K² typ. β Shunt capacitance C0 2,5 pF max. Aging Δf/F ≤ ±3 ppm in first year Operating temperature range TO -40°C to +85°C Storage temperature range TS -40°C to +105°C Reflow soldering condition TR 10 seconds max. at +260°C RoHS konform / conformal Anschlußschema / schematics 8,0 max. #4 #3 #1 #2 3,8 max. #4 #1 #2 #2,3 n.c. 0,5 Bestellbezeichnung Lagertypen order code stock items 2,5 max. 0,5 #3 0,9 5,5 M3K032761CVVDFF0 ±20ppm 12.5pF Layoutvorschlag suggested soldering pad XY-Cut -20 -10 Lötprofil lead-free solder profile Temperature (°C) 0 +10 +20 +30 +40 +50 +60 +70 +80 1,9 1,3 1,9 0 -10 -20 -30 -40 -50 -60 1,3 4,2 1,3 -70 -80 Δ f/f (ppm) TYPICAL TEMPERATURE CHARACTERISTICS Dokumentname: m3_wk.doc Seite 1 von 1 Ausgabedatum: 11-08-22