国内精品久久久久|国产欧美综合性刺激的|无码一级视频一区二区|日本中文字幕在线精品一区|日韩中文人妻无码不卡一区|中年人妻丰满av无码久久|国产1024精品视频专区免费|无码人妻精品一区二区三区不卡

Package Size: Φ3.0 × 8.0
Frequency: 32.768
Frequency Tolerance[10^-6@+25℃]: ±10ppm, ±20ppm
Temperature Range: -10℃ ~ +60℃, -20℃ ~ +70℃
Load Cap. CL: 7pF,
ESR [typ / max k?]: 30KΩ
RoHS And Pb Free:
Files Download:  Datasheet
Shopping:

Product details

Feature

  • low power consumption
  • high precision
  • high stability
  • low aging

Application

  • Real Time Clock
  • Consumer Devices
  • Portable Electronics
  • Time Display Devices

Overview

TF308 is a metal can DIP 32.768KHz quartz crystal, which provides 30KΩ and ±10ppm frequency tolerance in the standard operating temperature range of -10°C~+60°C and -20°C~+70°C, and complies with ROHS and REACH environmental protection requirements, adapted to consumer electronics.

Electrical Specifications

Item

Symb.

Electrical spec.

Notes

Nominal Frequency

Freq.

32.768KHz


Operating Temperature

T_use

-10℃~+60℃/-20℃~+70℃


Storage Temperature Range

T_stg

-40℃+85℃


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

1 μW Max.


Load Capacitance

CL

6pF , 7pF , 9pF, 12.5pF


Effective Resistance

RR

30kΩ max.


Aging

f_age

±3 ppm Max.

1st. Year at 25℃


Mechanical Dimensions

TF206.png


Selection Guide

Description of Requirement

Select the required package specification and product seriesφ3.0×8.0mm;TF308 Series

Select the desired frequency32.768KHz

Determining the Load Capacitance Value of the Crystal(CL):12.5pF

Select the desired frequency stability±20ppm

Select the desired operating temperature range-20℃~+70℃

The product you need isTF308 Series 32.768KHz 12.5pF ±20ppm -40~+85℃

Standard specification and model
Nominal FrequencyLoad Capacitance(CL)Frequency ToleranceOperating TemperatureEffective Resistance(ESR)Product Number
32.768KHz6pF±20ppm-20℃~+70℃30kΩ max.**DC32.768KD20E
32.768KHz7pF±20ppm-20℃~+70℃30kΩ max.**DC32.768KC20E
32.768KHz9pF±20ppm-20℃~+70℃30kΩ max.**DC32.768KG20E
32.768KHz12.5pF±20ppm-20℃~+70℃30kΩ max.**DC32.768KA20E


Product Categories

Files Download

Shopping

Insert title here
Phone:0755-86097253
武汉市| 延津县| 金门县| 新丰县| 东辽县| 古田县| 调兵山市| 金阳县| 临海市| 青阳县| 汝南县| 隆德县| 新民市| 云阳县| 揭阳市| 新巴尔虎左旗| 儋州市| 兴仁县| 永仁县| 谢通门县| 诸城市| 温宿县| 黔西县| 临泽县| 双柏县| 祁阳县| 石台县| 株洲市| 邵阳市| 广水市| 石台县| 留坝县| 渑池县| 余姚市| 融水| 宜宾县| 多伦县| 河南省| 康定县| 赤城县| 许昌市|