WMSIC Electronic Components

Q24FA20H00339

ModelQ24FA20H00339
PackageSMD2520-4P
BrandEPSON
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 Option 67801

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
EPSON Q24FA20H00339
Type
EPSON
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
EPSON
Electronic Component
Q24FA20H00339
Electronic Component
1
Package
SMD2520-4P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.033g
Frequency
24MHz
Electronic Component
1
Electronic Component
BM0265670304
Operating Temperature
40℃~+85℃
Electronic Component
±10ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
18pF
Frequency
±25ppm
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.

EPSON Q24FA20H00339无源贴片晶振产品概述

一、产品基本定位

Q24FA20H00339是爱普生(EPSON)推出的工业级无源贴片石英晶振,专为需要稳定时钟信号、宽温适应性及小型化设计的电子设备打造。作为无源晶振,其无需额外驱动电路,仅需外接匹配负载电容即可工作,兼具成本优势与电路设计灵活性,适配从消费电子到工业控制的多类场景。

二、核心参数详解

该晶振的关键参数直接决定了性能边界,核心参数及实际意义如下:

  1. 频率:24MHz
    属于通用系统时钟频率,广泛适配MCU(如STM32系列)、FPGA、无线通信模块(蓝牙、WiFi)等主流芯片的时钟输入需求,无需额外分频/倍频即可满足多数应用的基础时钟要求。
  2. 常温频差:±10ppm
    常温(25℃左右)下频率偏差≤±10ppm,换算为实际偏差仅240Hz(24MHz×10ppm),满足通信设备(路由器、基站辅助时钟)、工业传感器的精度要求,避免因频率偏差导致信号同步问题。
  3. 负载电容:18pF
    无源晶振需外接2个18pF左右的陶瓷电容(分别接晶振引脚与地),电容精度建议选±5%(如18pF±0.9pF),可有效保证起振稳定性与频率精度。
  4. 频率稳定度:±25ppm
    工作温度范围内(-40℃~+85℃),频率变化幅度≤±25ppm,极端温度下偏差仍控制在600Hz以内,确保设备在宽温环境下长期稳定运行。
  5. 等效串联电阻(ESR):80Ω
    ESR是起振关键参数,80Ω属于适中偏优水平(低于同类晶振通常的100Ω以上),可降低驱动电路功耗,提升起振可靠性(避免ESR过高导致无法起振)。
  6. 无源类型
    区别于有源晶振(内置振荡电路),无源晶振仅需外接电容即可工作,成本更低、体积更小,适合对成本敏感且空间有限的产品。

三、封装与物理特性

该晶振采用SMD2520-4P封装,具体物理特性如下:

  • 尺寸:2.5mm×2.0mm(L×W),高度≤0.8mm(典型值),属于小型化贴片封装,适配智能穿戴(如智能手表)、小型工业模块等紧凑设计;
  • 引脚:4引脚设计,符合标准贴片晶振引脚布局,与主流MCU的X1/X2引脚直接兼容;
  • 贴装工艺:支持回流焊、波峰焊等表面贴装工艺,适配自动化生产,提升效率。

四、工作环境与可靠性

  1. 宽温工作范围:-40℃~+85℃,覆盖工业级环境要求,可适应户外设备(气象传感器)、工业控制柜(高温)、车载电子(低温启动)等场景;
  2. 长期稳定性:EPSON采用高精度石英晶片切割工艺,老化率≤±5ppm/年,确保设备长期运行中时钟信号稳定;
  3. 抗干扰性:无源晶振抗电磁干扰能力较强,结合小型化封装的短走线设计,可减少外界干扰对时钟的影响。

五、典型应用场景

该晶振因参数均衡、成本适中,适配多类场景:

  1. 工业控制:PLC模块、电机控制器、工业传感器(温度/压力传感器);
  2. 消费电子:智能手表、蓝牙耳机、路由器、智能家居设备(智能开关);
  3. 通信设备:蓝牙模块、WiFi模块、小型基站辅助时钟;
  4. 汽车电子:车载信息娱乐系统、胎压监测模块(基础车载宽温需求可满足)。

六、选型与使用注意事项

  1. 负载电容匹配:必须外接2个18pF的NP0材质陶瓷电容(避免电解电容,温度系数大);
  2. 电路布局:晶振尽量靠近MCU的X1/X2引脚,走线长度≤10mm,远离高频信号线(SPI、USB);
  3. 温度范围确认:若场景温度超出-40~+85℃(如+100℃以上),需选车规级或更高温晶振;
  4. 无源vs有源对比:若需更高精度(±1ppm)或宽频率范围,可考虑有源晶振,但此款已满足多数中精度场景需求。

该晶振凭借EPSON的工艺优势与均衡参数,成为中小批量电子设备时钟方案的高性价比选择。

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