406 size 32.768kHz Watch Crystal
Highly competitive price for Watch Quartz Crystals with 10.4 x 4.06 x 3.6mm. PMX406 also with excellent reliability performance. And is available in a choice of circuit conditions at 32.768kHz which suitable for surface mount technology and IR reflow process.
Electrical Specifications
|
Parameter
|
Value
|
|
Frequency Range
|
32.768KHz
|
|
Frequency Tolerance
|
±20ppm
|
|
Temperature Coefficient
|
-0.034±0.006 ppm/(℃)2
|
|
Turnover temperature
|
25±5℃
|
|
Operating Temperature Range
|
-40℃ to 85℃
|
|
Storage Temperature Range
|
-55℃ to 125℃
|
|
Quality factory
|
60000Typ
|
|
Series resistance
|
50 KΩ
|
|
Shunt Capacitance
|
1.9PF Typ
|
|
Load Capacitance
|
12.5pF
|
|
Insulator Resistance
|
500 MΩ
|
|
Drive Level
|
1μW
|
|
Capacitance ratio
|
450Typ
|
|
Aging
|
±3ppm
|
Dimension
Reflow
