Quartz SMD TC308B MJ TC206B MJ Features: - Cylindrical enclosures with mounting clips - Surface mount pick & place - High performance to cost ratio Specifications Symbol f Frequency range Frequency tolerance,Ta=25°C Load capacitance Temp. coefficient Temperature range Drive level TC308B MJ TC206B MJ 32.768kHz 30kHz ~ 170kHz ± 20ppm ~ ± 50ppm 6pF ~ 12.5pF (Std.) Df/f CL Storage temperature TSTG -0.04 x 10-6 / °C² -40°C ~ +85°C Operating temperature TOPR -10°C ~ +60°C Maximum drive level MDL Recommended drive level RDL 1mW - A Series resistance R1 35kOhm max Shunt capacitance C0 0,9pF Insulation resistance Aging IR DfA Resistance of series resonance (ESR) Frequency Mode 30kHz <= f < 40kHz Fundamental 40kHz <= f < 60kHz Fundamental 60kHz <= f < 70kHz Fundamental Max Others are offered Max 50kOhm max As per table (25°C) 0,8pF 100M Ohm ± 5ppm/Year Ohm 45K max 20K max 15k max Remarks Standard Available Others are offered Please specify Frequency 70kHz <= f < 120kHz 120kHz <= f < 170kHz Min Max Mode Fundamental Fundamental Ohm 12k max 10k max Drawing TC206BMJ TC308BMJ Dimensions in mm Order key Q Part Q=Quartz - 32.768000k - TC206B Frequency k=kHz Package - 50 -B - 12.5 - MJ Frequency Temperature Load tolerance range capacitance TC206BMJ +/-ppm A= pF MJ=Metal jacket TC308BMJ (25°C) B=-10°C ~ 60°C SR=series X=Special options 0°C ~ 70°C Option C=-10°C ~ 70°C D=-20°C ~ 70°C E=-40°C ~ 85°C H=-20°C ~ +80°C I=-10°C ~ +50°C Remarks: All specifications subject to change without notice! 2.2