YY, SEIKO EPSON CORPORATION w Product Number kHz RANGE CRYSTAL UNIT MC-146 : Q1xMC1462xxxx0X MC-146 , MC-146 TYPE eFrequency range : MC-146---32.768 kHz : MC-146 TYPE---32 kHz to 100 kHz eExternal dimension : 7.0x15x14mm eOvertone order : Fundamental eApplications : Small communications devices Item Symbol MC-146 =e MC-146 TYPE Conditions / Remarks Nominal frequency range f_nom 32.768 kHz 32 kHz to 100kHz ___|Please contact us about available frequencies. Storage temperature T_stg -55 Cto+125 C Storage as single product. Operating temperature T_use -40 Cto+85 C Level of drive DL 1.0 unW Max. Operating Drive level 0.5 pW Max. Frequency tolerance (standard) ftol | +20 10,+50 x 10 |+50x 10, +100 x 10 |+25 C, DL=0.1 pW Tumover temperature Ti +25 C+5 C Parabolic coefficient B -0.04 x 10/ C*Max. Load capacitance CL T pF, 9 pF, 12.5 pF Please specify Motional resistance (ESR) R1 65 kQ Max. 65 kQ to 25 kQ Motional capacitance C1 1.9 fF Typ. 2.5 fF to 0.6 fF Shunt capacitance co 0.8 pF Typ. 1.2 pF to 0.5 pF Frequency aging f_age +3 x 10 / year Max. +5 x 10/ year Max. |+25 C, First year Product name MC-146 32.768000kHz 12.5 +20.0-200 (Standard form) @ @ @Model @Frequency @Loadcapacitance(pF) @Frequency tolerance(x 10, +25 C) oo Internal ction ol a 8 Torvem #4 st{[O case O} [2-2 2 - 1 ' ot | 67 7) 01 70 Max. 01 #1 #2 =a}! 0 Do not connect #2 and #3 to external device. The metal case inside of the molding compound may be exposed on the top or bottom of this product. This purely cosmetic and does not have any effect on quality, reliability or electrical specs. sro 4 eff] t | 12| 5.1 | 12