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            封裝規格[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℃
            負載電容 [CL]: 6pF,
            ESR [typ / max k?]: 70KΩ
            RoHS And 無鉛:
            資料下載:  Datasheet
            商城購買:

            產品詳情

            特點

            • 低功耗
            • 高精度
            • 高穩定性
            • 低老化

            產品應用

            • 實時時鐘
            • 便攜式電子
            • 智能電表
            • 通訊設備
            • 物聯網設備

            介紹

            TF3215是一款超小型緊湊式表面貼裝 32.768 kHz石英晶體,可滿足在惡劣的環境里下,長時間提供穩定、準確的時鐘信號。它在-40~+85℃的標準工作溫度范圍內可提供70KΩ和±10ppm的頻率公差,適用于實時時鐘、智能電表、通訊設備和物聯網等產品。

            Electrical Specifications

            Item

            Symb.

            Electrical spec.

            Notes

            TF3215

            TF3215R

            Nominal Frequency

            Freq.

            32.768KHz


            Operating Temperature

            T_use

            -40℃~+85℃


            Storage Temperature Range

            T_stg

            -55125℃


            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℃


            Mechanical Dimensions

            TF3215.png


            Selection Guide

            ⑴. 需求描述

            選擇需要的封裝規格及產品系列3.2×1.5mm;TF3215 Series

            選擇需要的頻率32.768KHz

            確定晶體的負載電容(CL)12.5pF

            確定晶體的等效串聯電阻(ESR)70kΩ max.

            選擇需要的精度±20ppm

            選擇需要的工作溫度范圍:-40℃~+85℃

            您需要的產品是TF3215 Series 32.768KHz 12.5pF ±20ppm ESR=70kΩ max.  -40~+85℃

            ⑵. 標準規格及型號
            Nominal FrequencyLoad Capacitance(CL)Frequency ToleranceOperating TemperatureEffective Resistance(ESR)Product Number
            32.768KHz6pF±20ppm-40℃~+85℃70kΩ max.**TF321532768D20F
            32.768KHz7pF±20ppm-40℃~+85℃70kΩ max.**TF321532768C20F
            32.768KHz9pF±20ppm-40℃~+85℃70kΩ max.**TF321532768G20F
            32.768KHz12.5pF±20ppm-40℃~+85℃70kΩ max.**TF321532768A20F

            32.768KHz6pF±20ppm-40℃~+85℃50kΩ max.**TF3215R32768D20F
            32.768KHz7pF±20ppm-40℃~+85℃50kΩ max.**TF3215R32768C20F
            32.768KHz9pF±20ppm-40℃~+85℃50kΩ max.**TF3215R32768G20F
            32.768KHz12.5pF±20ppm-40℃~+85℃50kΩ max.**TF3215R32768A20F


            產品分類

            資料下載

            商城購買

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            電話:0755-86097105
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