WMSIC Electronic Components

YJX TAXD26.2982M2GLDBET2S

ModelTAXD26.2982M2GLDBET2S
PackageHC-49S
BrandYJX
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
YJX TAXD26.2982M2GLDBET2S
Type
YJX
Minimum package
200 盒

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJX
Electronic Component
TAXD26.2982M2GLDBET2S
Electronic Component
1
Package
HC-49S
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.535g
Frequency
26.2982MHz
Electronic Component
1
Electronic Component
BM0264778338
Operating Temperature
20℃~+70℃
Electronic Component
±20ppm
Crystal Oscillator Type
Through-hole Crystal Oscillator
Load Capacitor
20pF
Frequency
±30ppm
Electronic Component
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

TAXD26.2982M2GLDBET2S 无源晶振产品概述

一、产品基本定位

TAXD26.2982M2GLDBET2S是雅晶鑫(YJX)推出的HC49S封装直插无源石英晶体谐振器,核心频率为26.2982MHz,属于商用级通用型时钟基准器件。作为无源晶振,其需配合外部振荡电路(如单片机内置驱动模块)实现稳定输出,适用于对频率精度、温度适应性有基础要求的电子系统,是通信、音视频、工业控制等领域的高性价比选择。

二、核心参数详解

该产品的关键参数直接决定应用场景,具体解析如下:

  1. 频率:26.2982MHz——通信领域常用衍生频率(如GSM系统26MHz基准的细分),同时兼容多数消费电子定时需求;
  2. 常温频差:±20ppm——常温(25℃)下频率偏差不超过±20个百万分点,绝对偏差约±0.526kHz,满足多数设备同步精度;
  3. 负载电容:20pF——无源晶振需外接匹配电容实现谐振,推荐按“引脚到地双电容之和=20pF”匹配(如双10pF并联);
  4. 频率稳定度:±30ppm——工作温度范围内(-20℃~+70℃),温度/电源波动导致的频率最大偏差,保证常规环境稳定;
  5. 等效串联电阻(ESR):40Ω——谐振状态下的串联电阻,属于无源晶振合理范围,降低振荡电路驱动难度;
  6. 工作温度:-20℃~+70℃——典型商用级范围,覆盖室内办公、家用电子及常规户外环境。

三、封装与结构特点

采用HC49S直插封装,具备以下优势:

  • 安装便捷:引脚间距符合标准直插规范,支持手工焊接、波峰焊,无需特殊治具;
  • 防护性强:金属/陶瓷外壳屏蔽电磁干扰(EMI),抵抗轻微机械冲击,延长寿命;
  • 体积紧凑:尺寸约11.5mm×4.5mm×3.5mm,节省PCB空间,适配高密度设计。

四、典型应用场景

结合参数特性,主要应用于:

  1. 通信设备:GSM/CDMA基站中频模块、蓝牙/WiFi时钟基准、无线路由器定时电路;
  2. 音视频设备:机顶盒、DVD、智能电视的音视频同步时钟源;
  3. 工业控制:PLC、传感器采集模块的定时单元,适配常规工业环境;
  4. 消费电子:智能音箱、游戏机、智能手表的主时钟,平衡成本与性能;
  5. 车载辅助:非核心系统(如车载充电器定时保护),暂不适用汽车动力系统。

五、可靠性与环境适应性

  1. 温度稳定性:-20℃~+70℃覆盖多数商用场景,低温(北方冬季室内)、高温(夏季室内)下频率漂移可控;
  2. 抗干扰性:金属封装屏蔽外部电磁干扰,同时降低自身辐射;
  3. 长期可靠性:石英晶体老化率低(年漂移<1ppm),无需频繁校准;
  4. 机械稳定性:引脚与外壳连接牢固,抵抗运输/安装中的轻微振动。

六、选型与应用注意事项

为保证正常工作,需注意:

  1. 负载电容匹配:严格按20pF外接电容,偏差过大会导致频率偏离;
  2. 振荡电路兼容:确认单片机(如STM32、STC)驱动能力与40Ω ESR匹配;
  3. 焊接工艺:手工焊温度≤260℃,时间≤3秒;波峰焊用低温焊料(≤240℃);
  4. PCB布局:晶振及电容靠近单片机引脚,走线≤5cm,远离高频线(如射频线);
  5. 环境防护:避免高湿度(>85%RH)、腐蚀性气体,防止引脚氧化。

TAXD26.2982M2GLDBET2S凭借适中的精度、稳定的性能及便捷的封装,成为多个领域的实用时钟基准选择。

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