Item

Symbol

MC-146

Remark

Nomonal frequency range

32.768KHZ

Fundamental

Temperature

Storage

TSTG

-40℃to +85℃

Store as bare product after unpacking

Operating

TOPR

-20℃to +70℃

Specified Equivalent series must be satisfied

Recommended drive level

DL

1.0μW

Frequency tolerance

Δf/f

+/-20ppm

Ta=+25℃,DL=0.1μW

Frequency stability vs. operating temperature

Δf/f

+/-20ppm

Turnover temperature

OT

+25,+/-5℃

Temperature coefficient(frequency)

A

-0.44ppm/℃max

Load capacitance

CL

12.5pf

Series resistance

R1

65kΩ Max

-20℃ to +70℃,DL=1μW

Motional capacitance

C1

1.9ff type

Shunt capacitance

C0

0.8pf Max

Insulation resistance

IR

500MΩMin

Aging

fa

+/-3.0ppm/year Max

Ta=+25℃+/-3,first year

Shock resistance

S.R

=/-5ppm Max

100g dummy drop from 1500mm height on to the concrete 3 directions 10 times