封装规格[mm]: | 3.2×1.5×0.8 |
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频率[KHz]: | 32.768 |
常温频差[10^-6@+25℃]: | ±10ppm, ±20ppm |
工作温度范围: | -40℃ ~ +85℃ |
负载电容 [CL]: | 6pF, |
ESR [typ / max kΩ]: | Low ESR:50KΩ |
RoHS And 无铅: | |
资料下载: | Datasheet |
商城购买: |
|
Item | Symb. | Electrical spec. | Notes | |
TF3215 | TF3215R | |||
Nominal Frequency | Freq. | 32.768KHz | ||
Operating Temperature | T_use | -40℃~+85℃ | ||
Storage Temperature Range | T_stg | -55~125℃ | ||
Oscillation Mode | - | Fundamental | ||
Frequency Tolerance | f_tol | ±10ppm / ±20ppm | at 25℃±3℃ | |
Turnover Temperature | Ti | 25℃±5℃ | ||
Parabolic curvature constant | B | -0.042ppm/(△℃)² max. | Over Operating Temp. Range (Reference 25℃) | |
Drive Level | DL | 0.5 μW Max. | ||
Load Capacitance | CL | 6pF;7pF;9pF;12.5pF | ||
Effective Resistance | RR | 70kΩ max. | 50kΩ max. | |
Aging | f_age | ±3 ppm Max. | 1st. Year at 25℃ |
⑴. 需求描述 | |||||
选择需要的封装规格及产品系列:3.2×1.5mm;TF3215 Series 选择需要的频率:32.768KHz 确定晶体的负载电容值(CL):12.5pF 确定晶体的等效串联电阻(ESR):70kΩ max. 选择需要的精度:±20ppm 选择需要的工作温度范围:-40℃~+85℃ 您需要的产品是:TF3215 Series 32.768KHz 12.5pF ±20ppm ESR=70kΩ max. -40~+85℃ | |||||
⑵. 标准规格及型号 | |||||
Nominal Frequency | Load Capacitance(CL) | Frequency Tolerance | Operating Temperature | Effective Resistance(ESR) | Product Number |
32.768KHz | 6pF | ±20ppm | -40℃~+85℃ | 70kΩ max. | **TF321532768D20F |
32.768KHz | 7pF | ±20ppm | -40℃~+85℃ | 70kΩ max. | **TF321532768C20F |
32.768KHz | 9pF | ±20ppm | -40℃~+85℃ | 70kΩ max. | **TF321532768G20F |
32.768KHz | 12.5pF | ±20ppm | -40℃~+85℃ | 70kΩ max. | **TF321532768A20F |
32.768KHz | 6pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF3215R32768D20F |
32.768KHz | 7pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF3215R32768C20F |
32.768KHz | 9pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF3215R32768G20F |
32.768KHz | 12.5pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF3215R32768A20F |