WMSIC Electronic Components

TXM24M0004252BBCEO00T

ModelTXM24M0004252BBCEO00T
PackageSMD2520-4P
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 TXM24M0004252BBCEO00T
Type
YJX
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJX
Electronic Component
TXM24M0004252BBCEO00T
Electronic Component
1
Package
SMD2520-4P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.034g
Frequency
24MHz
Electronic Component
1
Electronic Component
BM0264209294
Operating Temperature
40℃~+85℃
Electronic Component
±10ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
8pF
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.

TXM24M0004252BBCEO00T 无源贴片晶振产品概述

一、核心基础参数梳理

TXM24M0004252BBCEO00T是一款由雅晶鑫(YJX)生产的无源贴片晶振,核心参数清晰覆盖数字电路时钟需求:

  • 类型:无源贴片晶振(需外接振荡电路实现时钟输出,无内置电源电路);
  • 标称频率:24MHz(行业标准常用频率,兼容多数MCU、FPGA的时钟输入接口);
  • 常温频差:±10ppm(25℃环境下,频率偏差≤240Hz,满足普通数字系统的时序精度要求);
  • 负载电容:8pF(振荡电路需匹配的总负载电容值,直接影响振荡稳定性);
  • 频率稳定度:±30ppm(涵盖温度、电压波动等因素的总频率变化范围,保证宽温环境可靠性);
  • 等效串联电阻(ESR):55Ω(晶振振荡内阻,值越小振荡裕量越大,55Ω处于同规格合理区间);
  • 工作温度:-40℃~+85℃(工业级温度范围,可适应户外、 harsh环境应用);
  • 封装:SMD2520-4P(2.5mm×2.0mm小型贴片封装,4引脚设计)。

二、封装与结构特点

  1. 小型化设计:SMD2520-4P封装尺寸约2.5×2.0×0.8mm,相比直插晶振节省约70%PCB空间,适配便携设备、高密度模块布局;
  2. 4引脚稳定结构:相比2引脚封装,4引脚设计减少寄生电容干扰,焊接兼容性更强,便于电路匹配;
  3. 无源低成本设计:无需内置振荡电路,仅需外接两个匹配电容即可与MCU、FPGA组成振荡回路,降低系统BOM成本。

三、性能优势解析

  1. 精度与宽温平衡:常温±10ppm频差+宽温±30ppm稳定度,既满足普通应用的时序精度,又能适应-40~+85℃工业环境,避免极端温度下时钟漂移;
  2. 匹配性友好:负载电容8pF为行业常见值,多数MCU(如STM32、ATmega系列)默认振荡电路负载接近此值,无需额外调整即可匹配;
  3. 振荡可靠性:ESR55Ω处于合理区间,搭配常规MCU驱动能力(如STM32 OSC引脚电流)可保证稳定振荡,不易出现停振或频率跳变;
  4. 性价比突出:YJX品牌在保证性能前提下,成本低于一线品牌(如EPSON、KDS),适合中低端到中端量产应用。

四、典型应用场景

  1. 消费电子领域:
    • 智能穿戴:手环、手表的实时时钟(RTC)、传感器采样时钟;
    • 音频设备:蓝牙耳机、蓝牙音箱的音频同步时钟;
    • 便携数码:移动电源、MP3播放器的系统时钟;
  2. 工业控制领域:
    • PLC与控制器:时序控制、数据采集时钟;
    • 工业传感器:温度、压力、流量传感器的信号采样时钟;
  3. 通信与智能家居:
    • 小型通信:路由器、WiFi模块的系统时钟参考;
    • 智能家居:智能摄像头、智能音箱的时钟源;
  4. 汽车辅助级应用:车载充电器、行车记录仪的辅助时钟(注:需确认是否符合车规,工作温度可覆盖部分车载环境)。

五、选型与使用注意事项

  1. 负载电容匹配:
    振荡电路需外接C1、C2两个匹配电容,总负载电容公式:
    ( CL = \frac{C1 \times C2}{C1 + C2} + C_{par} )(( C_{par} )为PCB寄生电容,约1~2pF);
    建议选择C1=C2=18pF(此时并联值≈9pF,加1pF寄生电容后≈10pF,接近晶振8pF负载电容,满足匹配需求);
  2. 焊接工艺要求:
    采用回流焊,峰值温度230~250℃,时间≤10秒,避免手工焊接过热损坏晶振;
  3. 振荡裕量验证:
    高稳定性场景需用示波器观察振荡波形,确保幅度≥0.5Vpp,避免ESR过大导致波形不稳定;
  4. 宽温测试:
    极限温度(-40℃/85℃)下需测试频率稳定性,确认是否满足应用精度(±30ppm可覆盖多数工业场景)。

总结

TXM24M0004252BBCEO00T作为一款工业级无源贴片晶振,以平衡的精度、宽温适应性和小型化封装,适配消费电子、工业控制等多领域量产需求,是中低端时钟应用的高性价比选择。

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