WMSIC Electronic Components

Q24FA20H00153

ModelQ24FA20H00153
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
EPSON Q24FA20H00153
Type
EPSON
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
EPSON
Electronic Component
Q24FA20H00153
Electronic Component
1
Package
SMD2520-4P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.033g
Frequency
24MHz
Electronic Component
1
Electronic Component
BM0264820185
Operating Temperature
40℃~+85℃
Electronic Component
±10ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
12pF
Electronic Component
Electronic Component
Electronic Component
3000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

Q24FA20H00153 产品概述

一、产品简介

Q24FA20H00153 为爱普生(EPSON)生产的无源贴片晶体振荡器(贴片晶振),标准频率 24.000 MHz,常温频差 ±10 ppm,额定负载电容 12 pF,等效串联电阻(ESR)典型值 80 Ω,工作温度范围 -40 ℃ 至 +85 ℃,封装形式 SMD2520-4P。该器件为被动型晶体元件,需搭配外部放大器(例如 MCU 内部振荡放大器或专用振荡器电路)使用。

二、主要特性

  • 精确的基频:24 MHz,适合各类微控制器、通信和时钟系统的基准时钟需求。
  • 常温稳定度:±10 ppm,适用于对频率稳定性有中等要求的应用场景。
  • 负载电容:12 pF,便于与低电容输入的振荡器结构匹配,减少频率偏差。
  • ESR 约 80 Ω,提供良好的起振条件与可靠性评估参考。
  • 小尺寸 SMD2520-4P 封装,适合高密度 PCB 设计与自动贴装。
  • 宽温度范围:-40℃ 至 +85℃,满足工业级环境要求。

三、典型应用场景

  • 微控制器(MCU)系统的主时钟或外部参考时钟。
  • 串口通信、USB、以太网 PHY 等需要 24 MHz 基准频率的子系统(视具体协议与系统要求)。
  • 工业控制、消费电子、仪器仪表等要求体积小、稳定性良好的时钟源场合。

四、设计与布局建议

  • 外围负载电容:晶振标称 CL=12 pF。设计时可按公式选择两端电容 C1=C2≈2×(CL−Cs),其中 Cs 为 PCB 及管脚寄生电容(常见取值 2–5 pF)。例如若 Cs≈3 pF,则 C1=C2≈18 pF(实际可选 18 pF 或 20 pF)。
  • 布局:晶振应尽量靠近振荡器输入管脚放置,走线最短并对称,避免跨越地分割或噪声源(如电源开关元件)。负载电容靠近晶振和放大器管脚安装,底部建议使用连续地面平面以改善屏蔽和回流。
  • 起振与驱动:由于为无源晶振,应确保所用放大器具有足够增益与合适的驱动电平,避免过高驱动造成晶体过载。具体驱动功率和起振条件请参考系统振荡器的设计手册。

五、可靠性与使用注意

  • 焊接与回流:遵循厂方推荐的回流焊工艺曲线进行焊接,避免超出温度与时间限制以防性能劣化。
  • 储存与搬运:作为精密元件,应防潮、防静电并避免机械冲击。长期储存后若有封装防潮袋,应按回流前干燥处理。
  • 温度与老化:在极端温度或长期使用下频率会产生漂移,请在系统标定或校准时考虑该项影响。

六、选型与替代考虑

在选型时,应综合频率精度、负载电容、ESR 与工作温度等参数,确认与目标振荡器电路匹配。若系统对频偏或相位噪声有更高要求,可考虑更高精度或带温补(TCXO)/晶振模块的替代方案。最终的可靠性与性能验证建议通过样机测试与环境应力试验完成。

如需更详细的电气特性曲线、回流焊工艺、机械图或测试规范,请参考 EPSON 官方数据手册或向供应商索取 Q24FA20H00153 的完整规格说明书。

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