WMSIC Electronic Components

YJX TAXM8M2QLFCDT1T

ModelTAXM8M2QLFCDT1T
PackageSMD5032
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 TAXM8M2QLFCDT1T
Type
YJX
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJX
Electronic Component
TAXM8M2QLFCDT1T
Electronic Component
1
Package
SMD5032
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.179g
Frequency
8MHz
Electronic Component
1
Electronic Component
BM0263522063
Operating Temperature
40℃~+85℃
Electronic Component
±30ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
20pF
Frequency
±20ppm
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.

TAXM8M2QLFCDT1T无源贴片晶振产品概述

一、产品基本定位与核心标识

TAXM8M2QLFCDT1T是雅晶鑫(YJX)推出的无源贴片石英晶振,属于通用型中高频时钟元件。型号中“TAXM”为品牌产品系列标识,“8M”明确核心频率为8MHz,“2QLFCDT1T”包含封装、引脚及工艺等细分信息,封装规格为SMD5032(5.0×3.2mm),采用2引脚表面贴装设计,适配自动化生产与小型化设备需求。

二、核心性能参数详解(含应用意义)

该晶振的参数设计平衡了精度、成本与环境适应性,关键参数及实际价值如下:

  1. 频率:8MHz
    属于电子设备主流时钟频率,覆盖单片机(如STM32、51系列)、蓝牙/WiFi模块、传感器节点等绝大多数应用场景,无需额外分频/倍频即可直接匹配多数MCU的OSC引脚。
  2. 常温频差:±30ppm
    常温(25℃)下频率偏差为±30×10^-6,对应8MHz的偏差为**±240Hz**。该精度可满足消费电子、工业控制等场景的时钟稳定性要求,避免因频率偏移导致通信丢包、计时误差等问题。
  3. 负载电容:20pF
    无源晶振需外接匹配负载电容(非自带),实际应用中建议在晶振两端各接10pF陶瓷电容到地,使总负载电容(PCB布线电容+外接电容)接近20pF,确保频率准确。若负载电容偏离过大,会导致频率偏移超出规格。
  4. 频率稳定度:±20ppm
    指工作温度范围内(-40℃~+85℃)的频率最大变化量,比常温频差更严格。该参数说明晶振的温度特性优异,宽温环境下仍能保持稳定时钟输出,适配户外、车载等复杂场景。
  5. 等效串联电阻(ESR):80Ω
    ESR是晶振振荡时的等效内阻,越小越易起振。80Ω属于无源晶振的常规优质水平,可保证与多数MCU振荡电路的兼容性,避免因ESR过大导致起振失败或功耗过高。
  6. 工作温度范围:-40℃~+85℃
    符合工业级温度标准,覆盖严寒(-40℃)到高温(85℃)的极端环境,比消费级(0℃~70℃)应用场景更广泛,可用于车载电子、户外物联网设备等。

三、封装与物理特性

该晶振采用SMD5032表面贴装封装,具体尺寸约为5.0mm×3.2mm×1.2mm(长×宽×厚),2引脚无引线设计:

  • 节省PCB空间:适合智能穿戴、小型传感器等微型设备;
  • 自动化适配:贴片封装支持回流焊、波峰焊等自动化生产工艺,提高量产效率;
  • 抗干扰性:无引脚减少焊接虚焊风险,且封装紧凑可降低电磁干扰影响。

四、典型应用场景

结合参数特性,TAXM8M2QLFCDT1T的核心应用方向包括:

  1. 工业控制设备:PLC、远程IO模块、工业传感器,宽温范围适配车间、户外工业环境;
  2. 消费电子:智能手环、蓝牙耳机、WiFi路由器,8MHz频率匹配主流通信模块;
  3. 车载电子:车载仪表盘、T-BOX(远程信息处理终端),宽温与抗振动(无源晶振结构紧凑抗振动)特性适配车载场景;
  4. 物联网终端:低功耗单片机(STM32L系列)时钟源、环境监测节点,ESR80Ω保证低功耗下稳定起振。

五、品牌与品质保障

雅晶鑫(YJX)是国内专注于石英晶振研发生产的厂商,TAXM8M2QLFCDT1T具备以下品质优势:

  • 工艺成熟:采用高精度石英晶体切割工艺,批量产品一致性好,频率偏差控制稳定;
  • 环保认证:符合RoHS、REACH等国际环保标准,无铅焊接兼容;
  • 技术支持:提供负载电容匹配、PCB布线建议等应用级技术支持,降低设计门槛。

六、应用注意事项

为确保晶振性能稳定,需注意以下细节:

  1. 负载电容匹配:避免使用电解电容,优先选择NP0/C0G型陶瓷电容(温度系数稳定);
  2. PCB布线:晶振引脚到MCU OSC引脚的布线长度不超过2cm,远离高频信号线(如SPI、USB);
  3. 焊接规范:回流焊峰值温度≤245℃,焊接时间≤10秒,避免高温损坏晶体;
  4. 起振验证:首次使用时需通过示波器检测晶振输出波形,确认无异常(如波形失真、频率偏移)。

该晶振以高性价比、宽温适应性和稳定性能,成为中低端电子设备时钟源的优选方案,可满足多数量产场景的技术需求。

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