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: 12.5pF,
ESR [typ / max kΩ]: 70KΩ
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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

-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

Description of Requirement

Select the required package specification and product series3.2×1.5mm;TF3215 Series

Select the desired frequency32.768KHz

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 isTF3215 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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