WMSIC Electronic Components

TX32258M4LBDE2T

ModelTX32258M4LBDE2T
PackageSMD3225-4P
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 TX32258M4LBDE2T
Type
YJX
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJX
Electronic Component
TX32258M4LBDE2T
Electronic Component
1
Package
SMD3225-4P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.05g
Frequency
8MHz
Electronic Component
1
Electronic Component
BM0264209286
Operating Temperature
30℃~+85℃
Electronic Component
±10ppm
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.

TX32258M4LBDE2T 贴片石英晶振产品概述

TX32258M4LBDE2T是雅晶鑫(YJX)推出的3225封装通用型贴片石英晶振,以8MHz核心频率为基础,兼顾精度、稳定性与成本优势,适用于消费电子、工业控制、通信等多领域的时钟信号需求。以下从产品定位、性能参数、封装设计、环境适应性及使用注意事项展开概述。

一、产品基本定位与应用场景

该晶振属于中精度通用型时钟器件,核心参数匹配大多数嵌入式系统、小型通信模块的时钟精度要求,典型应用场景包括:

  • 消费电子:智能穿戴(手环、手表)、蓝牙耳机、小型智能家居控制器;
  • 工业控制:小型PLC模块、传感器采集单元、工业LED驱动电路;
  • 通信设备:低速率无线模块(蓝牙4.0、ZigBee)、简易路由器扩展;
  • 其他:智能电表、安防摄像头、小型医疗仪器(血糖监测仪)。

其均衡参数无需额外成本升级,可直接替代同封装同频率普通晶振,提升系统时钟稳定性。

二、关键性能参数解析

1. 频率与精度指标

  • 核心频率:8MHz,是STM32、ATmega等MCU常用外部晶振频率,无需分频/倍频即可满足多数嵌入式系统需求;
  • 常温频差:±10ppm(换算±80Hz),精度优于消费级晶振(通常±20ppm),保证串口通信、定时器计时准确;
  • 温度稳定度:±30ppm(-30℃~+85℃),即温度变化时频率最大漂移±240Hz,满足工业级宽温要求。

2. 振荡关键参数

  • 负载电容:20pF,指导电路匹配电容选择(需考虑PCB分布电容,建议选22pF×2并联);
  • ESR(等效串联电阻):250Ω,在3225封装8MHz晶振中属中等偏优,ESR越低振荡启动越快、稳定性越强,避免低温失效。

三、封装与可靠性设计

1. 封装规格

  • 尺寸:SMD3225-4P(3.2×2.5×0.8mm),4引脚贴片封装,兼容自动化贴装,焊接效率高;
  • 引脚布局:对称式设计,减少PCB寄生电容影响,保证精度一致性。

2. 可靠性工艺

  • 气密性封装:陶瓷封装+激光密封,防止潮气/灰尘进入,长期老化率≤±5ppm/年;
  • 抗机械应力:耐跌落、振动,包装状态下可承受0.5m自由跌落,适合批量生产运输。

四、环境适应性与稳定性

1. 温度范围

  • 工作温度:-30℃~+85℃,覆盖我国大部分户外环境(北方冬季、南方夏季)及工业高低温工况;
  • 存储温度:-40℃~+125℃,满足仓储运输要求。

2. 抗干扰能力

  • 石英晶体谐振器抗EMI能力优于陶瓷谐振器,可在靠近电源、高速线环境中稳定工作;
  • 谐波抑制比(HRR)≥30dB,减少对其他电路干扰。

五、选型与使用注意事项

1. 匹配电容选择

根据20pF负载电容,电路并联两个22pF瓷片电容(C1、C2),总等效负载≈11pF,加PCB分布电容(1~2pF)后接近20pF,保证频率准确。

2. 焊接规范

  • 回流焊:峰值温度≤260℃,焊接时间≤10秒(峰值阶段);
  • 波峰焊:温度≤245℃,时间≤3秒,避免热应力导致参数漂移。

3. 布局要求

  • 晶振靠近MCU晶振引脚(X1/X2),走线长度≤5mm;
  • 远离电源滤波电容、高速数据线(SPI/I2C),必要时加地线隔离。

4. 静电防护

  • 操作佩戴防静电手环,用防静电镊子;
  • 焊接设备接地,避免ESD损坏。

总结

TX32258M4LBDE2T作为雅晶鑫通用型贴片晶振,以8MHz为核心,兼顾精度、稳定性与成本,适配多领域电子设备时钟需求。其3225封装、宽温范围及可靠工艺,是嵌入式系统、小型通信模块的高性价比选择。

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