31M327,31SMX,32.768KHz,3215mm,SMI时钟晶振,耐高温晶振，日本进口晶振，SMI品牌晶振，型号：31SMX，零件编号：31M327*，频率为：32.768KHz，小体积晶振尺寸：3.2x1.5x0.8mm封装，两脚贴片晶振，无源晶振，石英晶振，石英晶体谐振器，SMD晶体，3215晶振，无铅晶振。具有超小型晶振，轻薄型晶振，耐高温晶振，高性能晶振，高品质晶振，耐热及耐环境等特点。特别适用于于：汽车电子设备晶振，钟表电子晶振，仪器仪表设备晶振，蓝牙模块晶振，无线蓝牙晶振，航空电子晶振，数字电子等应用。
31M327,31SMX,32.768KHz,3215mm,SMI时钟晶振,耐高温晶振,参数表
Item
Part number
|
Symbol
|
Specifications
|
|
P/N
|
31M327*
|
|
Package Type
|
|
31SMX
|
|
Nominal frequency
|
F
|
32.768 kHz
|
|
Frequency tolerance (at +25℃)
|
△f/F
|
AAA:±5ppm
AA:±10ppm
A:±15ppm
B:±20ppm
C:±30ppm (Standard)
|
|
Load capacitance
|
CL
|
12.5 pF : 31M327 (Standard)
9.0 pF : 31M327 -9
7.0 pF : 31M327 -7
6.0 pF : 31M327 -6
|
|
Equivalent series resistance
|
ESR
|
70k Ω max. (To : -40℃ to +85℃) (Standard)
80k Ω max. (To : -40℃ to +105℃) (Option)
80k Ω max. (To : -40℃ to +125℃) (Option)
50k Ω max. (To : -40℃ to +85℃) (R = Option)
|
|
Drive level
|
P
|
0.1 μW (0.5 μW max.)
|
|
Turnover temperature
|
Tt
|
+25℃ ±5℃
|
|
Temperature coefficient
|
β
|
-0.034 ppm / ℃2, Typical
|
|
Quality factor
|
Q
|
20000 min.
|
|
Shunt capacitance
|
C0
|
1.05 pF, max.
|
|
Motional capacitance
|
C1
|
0.0038 pF, Typical
|
|
Capacitance ratio
|
γ
|
273, Typical
|
|
Aging (for first year)
|
△f/F
|
±3 ppm max. at +25℃ ±3℃
|
|
Insulation resistance
|
Ri
|
500 MΩ min. at 100V DC ±15V
|
|
Cut
|
|
XY-Cut
|
|
Operating temperature range
|
To
|
-40℃ to +85℃ (Standard)
-40℃ to +105℃ (W = Option)
-40℃ to +125℃ (WW = Option)
|
|
Storage temperature range
|
Ts
|
-55℃ to +125℃
|
|
Shock resistance
|
△f/F
|
±5 ppm max.
|
|
Vibration resistance
|
△f/F
|
±5 ppm max.
|
|
IR reflow resistance
|
△f/F
|
±10 ppm max.
|
|
Reflow condition
|
|
10 seconds max. at +250℃ ±10℃
|
31M327,31SMX,32.768KHz,3215mm,SMI时钟晶振,耐高温晶振,尺寸图
CEOB2B
CEOB2B
