WMSIC Electronic Components

TXM20M0002503LFBEO00T

ModelTXM20M0002503LFBEO00T
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 TXM20M0002503LFBEO00T
Type
YJX
Minimum package
1000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJX
Electronic Component
TXM20M0002503LFBEO00T
Electronic Component
1
Package
SMD5032
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.179g
Frequency
20MHz
Electronic Component
1
Electronic Component
BM0264498416
Operating Temperature
20℃~+70℃
Electronic Component
±30ppm
Crystal Oscillator Type
SMDCrystal 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.

TXM20M0002503LFBEO00T 无源贴片晶振产品概述

TXM20M0002503LFBEO00T是雅晶鑫(YJX)品牌推出的工业级无源贴片晶振,采用SMD5032封装(2引脚),以20MHz为标称频率,专为中低端数字电路的时钟基准需求设计,兼顾精度、体积与成本,适用于消费电子、工业控制、物联网等多领域。

一、产品基本识别

该型号属于无源晶振范畴(无内置振荡驱动电路,需外接匹配电路),核心识别信息如下:

  • 品牌:雅晶鑫(YJX),国内专业晶振制造商,产品覆盖无源/有源晶振、振荡器等;
  • 型号:TXM20M0002503LFBEO00T,其中“20M”明确标称频率20MHz,“SMD5032_2P”标注封装为5.0×3.2mm贴片2引脚;
  • 类别:工业级无源贴片晶振,符合一般工业环境的可靠性要求。

二、核心参数详细解析

产品参数直接决定应用适配性,以下为关键参数的意义与实际价值:

1. 频率规格

标称频率为20MHz,是当前数字电路中常见的中低频时钟基准(如8位/32位MCU、BLE模块等多以此为默认时钟),无需额外分频即可满足多数处理器的时钟输入需求。

2. 频率偏差与稳定度

  • 常温频差±30ppm:25℃环境下,实际频率与20MHz的偏差为±600Hz(计算方式:20×10⁶ × 30×10⁻⁶ = 600Hz),满足一般数据传输、计时的精度要求;
  • 温度稳定度±30ppm:在工作温度范围(-20℃~+70℃)内,频率随温度变化的最大偏差为±600Hz,结合常温频差,总频率偏差可控在±1200Hz以内,可覆盖多数工业环境的温度波动。

3. 负载电容

20pF为晶振工作时需外接的匹配电容总和(通常在晶振两端各接10pF电容到地),若负载电容不匹配,会导致振荡频率偏移、启动困难甚至无法振荡,需严格按规格选择外接电容。

4. 等效串联电阻(ESR)

30Ω为晶振自身的串联电阻,ESR越小,振荡电路的启动速度越快、稳定性越高(不易受干扰)。30Ω属于SMD5032封装无源晶振的典型优良值,可降低振荡电路的设计难度。

5. 工作温度范围

**-20℃~+70℃**为标准工业级温度范围,覆盖了室内环境、一般户外非极端场景(如仓库、小型车间),无需额外温控措施即可稳定工作。

6. 封装

SMD5032(尺寸约5.0mm×3.2mm×1.2mm)为小型化贴片封装,2引脚设计兼容主流SMT设备,适合批量自动化生产,且可有效节省PCB空间(适用于便携式设备、小型模块)。

三、性能优势总结

该产品在同类产品中具备以下核心优势:

  1. 精度与成本平衡:±30ppm的频差满足多数中低端应用,无需为过高精度支付额外成本;
  2. 低ESR易振荡:30Ω的ESR降低了振荡电路的设计门槛,即使是普通MCU内部OSC也能稳定驱动;
  3. 小型化适配:SMD5032封装适合空间受限的产品(如智能手环、传感器节点);
  4. 工业级可靠性:-20~+70℃温度范围与无源晶振的固有稳定性,可满足一般工业环境的长期工作需求。

四、典型应用领域

TXM20M0002503LFBEO00T的参数特性使其适用于以下场景:

  1. 消费电子:智能穿戴(手表、手环)的MCU时钟、小型家电(遥控器、加湿器)的控制电路;
  2. 工业控制:小型PLC、温度传感器模块、工业仪表的基准时钟;
  3. 通信模块:低功耗蓝牙(BLE)模块、WiFi模块(中低端型号)的时钟源;
  4. 物联网(IoT):智能门锁、环境监测节点的低功耗时钟基准;
  5. 汽车电子:非安全关键的车载小模块(如车载充电器、氛围灯控制器)。

五、使用注意事项

为确保晶振稳定工作,需注意以下几点:

  1. 负载电容匹配:必须外接20pF的匹配电容(两端各10pF到地),禁止使用非匹配电容;
  2. PCB布线规范:晶振下方避免走线,周围远离高频干扰源(如射频天线),布线尽量短且对称;
  3. 焊接工艺:采用回流焊(温度不超过260℃,时间≤10秒),禁止手工焊接时温度过高;
  4. 无源特性:需外接振荡电路(如MCU内部OSC),不能直接驱动外部负载;
  5. 存储环境:常温干燥环境(-40℃~+85℃)存储,避免潮湿、机械冲击与静电。

六、总结

TXM20M0002503LFBEO00T是一款高性价比的工业级无源贴片晶振,以20MHz为核心频率,兼顾精度、体积与可靠性,适用于多数中低端数字电路的时钟基准需求,是消费电子、工业控制、物联网等领域的实用选择。

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