| 封裝規(guī)格[mm]: | 2.0×1.2×0.6 | 
|---|---|
| 頻率[KHz]: | 32.768 | 
| 常溫頻差[10^-6@+25℃]: | ±10ppm, ±20ppm | 
| 工作溫度范圍: | -40℃ ~ +85℃ | 
| 負載電容 [CL]: | 7pF, | 
| ESR [typ / max k?]: | Low ESR:50KΩ | 
| RoHS And 無鉛: | |
| 資料下載: | Datasheet | 
| 商城購買: |   |  
Item  | Symb.  | Electrical spec.  | Notes  | |
TF2012  | TF2012R  | |||
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  | 80kΩ max.  | 50kΩ max.  | |
Aging  | f_age  | ±3 ppm Max.  | 1st. Year at 25℃ | |
  | 
⑴. 需求描述  | |||||
選擇需要的封裝規(guī)格及產(chǎn)品系列:2.0×1.2mm;TF2012 Series 選擇需要的頻率:32.768KHz 確定晶體的負載電容值(CL):12.5pF 確定晶體的等效串聯(lián)電阻(ESR):80kΩ max. 選擇需要的精度:±20ppm 選擇需要的工作溫度范圍:-40℃~+85℃ 您需要的產(chǎn)品是:TF2012 Series 32.768KHz 12.5pF ±20ppm ESR=80kΩ max. -40~+85℃  | |||||
| ⑵. 標(biāo)準規(guī)格及型號 | |||||
| Nominal Frequency | Load Capacitance(CL) | Frequency Tolerance | Operating Temperature | Effective Resistance(ESR) | Product Number | 
| 32.768KHz | 6pF | ±20ppm | -40℃~+85℃ | 80kΩ max. | **TF201232768D20F | 
| 32.768KHz | 7pF | ±20ppm | -40℃~+85℃ | 80kΩ max. | **TF201232768C20F | 
| 32.768KHz | 9pF | ±20ppm | -40℃~+85℃ | 80kΩ max. | **TF201232768G20F | 
| 32.768KHz | 12.5pF | ±20ppm | -40℃~+85℃ | 80kΩ max. | **TF201232768A20F | 
| 32.768KHz | 6pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF2012R32768D20F | 
| 32.768KHz | 7pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF2012R32768C20F | 
| 32.768KHz | 9pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF2012R32768G20F | 
| 32.768KHz | 12.5pF | ±20ppm | -40℃~+85℃ | 50kΩ max. | **TF2012R32768A20F |