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 SMD Crystal R1255B

(12.2*5.2*2.0mm)
Features:Very small volume and weight.
Reflow is possible.

TypeSMD Crystal units 12.2*5.2*2.0mm
Frequency range3.58~30.0MHz
Vibration modeAT cut, Fundamental
Frequency tolerance(at 25oC)- /+20ppm~
Equivalent series resistanceSee table No.1
Stability(-20~+70oC)- /+20ppm~
Shunt capacitance7.0pF max.
Load capacitanceSeries resonance, 16pF, 20pF, 30pF
ShockNatural drop from 75cm height onto a hard wooden
board, three times dF/F= -+3ppm max.
Aging-+3ppm / year

Equivalent series resistance(ESR) Table No. 1
FrequencyModeESR
3.58~3.99 MHzFundamental200 ohms max
4.0~5.9 MHzFundamental180 ohms max
6.0~7.9 MHzFundamental150 ohms max
8.0~12.0 MHzFundamental100 ohms max
12.0~30.0 MHzFundamental80 ohms max