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Plastic Molded Crystal (13.4*5*4.6mm)

(CM309B)

Features:Small size, Light weight
High dependability by means of resistance weld hermetic seal.
Tape and reel available
TypeCM309B
Frequency rangeFundamental 3.5~90.0 MHz
Vibration modeAT cut, Fundamental, O3
Frequency tolerance(at 25oC)-/+20ppm~
Equivalent series resistanceSee table No.1
Stability(-10~+60oC)-/+20ppm~
Shunt capacitance5.0 max.
Load capacitanceSeries resonance, 16pF, 20pF, 30pF
Insulation resistance500 M ohms //DC 100V
ShockNatural drop from 75cm height onto a hard wooden
board,three times dF/F=±5ppm max.
Vibration

The crystal units shall be capable of with standing each one hour in 3 directions 10-55Hz amplitude 1.5mm Fs=±3.0ppm max.
ESR:- /+2.0 ohms or 15% whichever is larger
Leak5*10^-8 atm.cc/sec Max.
Aging- / +5ppm / year

Equivalent series resistance(ESR) Table No. 1
FrequencyModeESR
3.5~3.9 MHzFundamental150 ohms max.
4.0~4.9 MHzFundamental130 ohms max.
5.0~5.9 MHzFundamental120 ohms max.
6.0~7.9 MHzFundamental100 ohms max.
8.0~8.9 MHzFundamental80 ohms max.
10.0~14.9 MHzFundamental60 ohms max.
15.0~48.0 MHzFundamental40 ohms max.
36.0~90.0MHzO370 ohms max.