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      TF3215
       
       
       
       
        
       
       
       
       
        
       Package Size: 3.2×1.5×0.8 
       Frequency: 32.768 
       Frequency Tolerance[10^-6@+25℃]: ±10ppm,
±20ppm 
       Temperature Range: -40℃ ~ +85℃ 
       Load Cap. CL: 6pF,
 
       ESR [typ / max k?]: 70KΩ 
       
       RoHS And Pb Free:     
       
       Files Download:  Datasheet 
       
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      Product details			 
       
       
       
       
      Feature
       
       
         
      • low power consumption
      • high precision
      • high stability
      • low aging
        •  
       
       
       
       
       
       
      Application
       
       
         
      • Real Time Clock
      • Portable Electronics
      • Smart Meters
      • Communication Electronics
      • IoT Devices
        •  
       
       
       
       
       
       
       
       
       
      Overview
       
      							TF3215 is an ultra-small and compact surface-mounted 32.768 kHz quartz crystal, which can provide stable and accurate clock signals for a long time in harsh environments.						
       
       
       
       
       
       
       
      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
      -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℃

      Mechanical Dimensions
      TF3215.png

      Selection Guide
      Description of Requirement
      Select the required package specification and product series：3.2×1.5mm；TF3215 Series
      Select the desired frequency：32.768KHz
      Determining the Load Capacitance Value of the Crystal（CL）：12.5pF
      Determining the Equivalent Series Resistance of a Crystal（ESR）：70kΩ max.
      Select the desired frequency stability：±20ppm
      Select the desired operating temperature range：-40℃~+85℃
      The product you need is：TF3215 Series 32.768KHz 12.5pF ±20ppm ESR=70kΩ max.  -40~+85℃
      Standard specification and model
      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

       
       
       
       
       
       
       
        
       
       
       
       
       
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