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| 封裝規(guī)格[mm]: | 3.2×1.5×0.8 |
|---|---|
| 頻率[KHz]: | 32.768 |
| 常溫頻差[10^-6@+25℃]: | ±10ppm, ±20ppm |
| 工作溫度范圍: | -40℃ ~ +85℃ |
| 負(fù)載電容 [CL]: | 7pF, |
| ESR [typ / max k?]: | Low ESR：50KΩ |
| RoHS And 無(wú)鉛: | |
| 資料下載: | Datasheet |
| 商城購(gòu)買(mǎi): | |
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 | |||||
選擇需要的封裝規(guī)格及產(chǎn)品系列：3.2×1.5mm；TF3215 Series 選擇需要的頻率：32.768KHz 確定晶體的負(fù)載電容值（CL）：12.5pF 確定晶體的等效串聯(lián)電阻（ESR）：70kΩ 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：TF3215 Series 32.768KHz 12.5pF ±20ppm ESR=70kΩ max. -40~+85℃ | |||||
| ⑵. 標(biāo)準(zhǔn)規(guī)格及型號(hào) | |||||
| 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 |
