Quartz THT HF26 HF38 Features: - Wide frequency range - Low cost to performane - Excellent for clock frequency generation - Very low profile HF39 HF310 Specifications Symbol HF26 / HF38 / HF39 / HF310 f 3.5790 MHz ~ 28.000 MHz 27.001MHz ~ 60.000MHz ±10ppm ~ ± 50ppm Df/f CL 10pF ~ 20pF Frequency range Frequency tolerance,Ta=25°C Load capacitance Temperature tolerance Temperature range Drive level Storage temperature Df/f TSTG ±10ppm ~ ± 50ppm -40°C ~ +85°C Operating temperature TOPR -20°C ~ +70°C (Std.) Maximum drive level MDL - Recommended drive level RDL Remarks Fundamental mode 3rd overtone mode Please specify Please specify Please specify Others are offered Series resistance R1 10mW ~ 100mW As per table 25°C Shunt capacitance C0 5pF Max Insulation resistance Aging IR 500M Ohm ± 5ppm/Year DfA Resistance of series resonance (ESR) Frequency (MHz) Mode 3.5 <= f < 4.0 Fundamental 4.0 <= f < 5.0 Fundamental 5.0 <= f < 8.0 Fundamental 8.0 <= f < 10 Fundamental 10 <= f < 12 Fundamental Ohm max 180 150 100 80 70 Min Others are offered Frequency (MHz) 12 <= f < 14 14 <= f < 16 16 <= f < 28 28 <= f < 36 36 <= f < 60 Mode Fundamental Fundamental Fundamental 3rd OT 3rd OT Ohm max 60 50 40 100 80 Drawing HF26 / HF38 / HF39 / HF310 Dimensions in mm Order key Q Part Q=Quartz - 28.000000M - HF26 Frequency M=MHz Package -F - 30 - 50 -D - 30 - MJ Mode of Frequency Temperature Temperature Load oscillation tolerance tolerance range capacitance HF26 F=fund. +/-ppm +/-ppm A= pF MJ=Metal jacket HF38 3=3.OT (25°C) (Temp. range) B=-10°C ~ 60°C SR=series X=Special options 0°C ~ 70°C HF39 C=-10°C ~ 70°C HF310 D=-20°C ~ 70°C Option E=-40°C ~ 85°C H=-20°C ~ +80°C I=-10°C ~ +50°C Remarks: All specifications subject to change without notice! 1.2