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YXC X49SD18432MSD2SC Crystal Oscillator X49SD18432MSD2SC
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- YXC X49SD18432MSD2SC
- Type
- YXC Yangxing Technology
- Minimum package
- 200 个
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YXC
- Electronic Component
- X49SD18432MSD2SC
- Electronic Component
- 1
- Package
- HC-49S
- Electronic Component
- Passive Crystal Oscillator
- Electronic Component
- 0.574g
- Frequency
- 18.432MHz
- Electronic Component
- 1
- Electronic Component
- BM0229976270
- Operating Temperature
- 20℃~+70℃
- Electronic Component
- ±20ppm
- Crystal Oscillator Type
- Through-hole Crystal 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.
X49SD18432MSD2SC 产品概述
一、产品简介
X49SD18432MSD2SC 为 YXC（扬兴科技）生产的直插式无源晶振，采用经典 HC-49S 封装，标称频率 18.432 MHz。产品面向通用时钟与串口通信等应用场景，常温频差 ±20 ppm，负载电容 20 pF，温度范围 -20℃~+70℃，频率稳定度（含温度影响）±30 ppm，可满足对波特率和系统时序有较高要求的嵌入式与通信设计。
二、主要参数（摘要）
- 类型：无源晶振（直插）
- 封装：HC-49S（直插）
- 频率：18.432 MHz
- 常温频差：±20 ppm
- 负载电容：20 pF
- 频率稳定度：±30 ppm（工作温度范围内）
- 工作温度：-20℃ ~ +70℃
- 品牌：YXC 扬兴科技
（详细电气参数、驱动等级、老化率等请参见厂商资料表）
三、产品特性与优势
- 高频率点 18.432 MHz 可直接生成常见的 UART 波特率（例如 115200、57600 等）和多种分频时钟，利于串口通信与系统定时精准。
- HC-49S 直插封装易于手工焊接和维修，适合小批量产和实验板使用。
- 良好的频率稳定性与可靠性，适合工业类消费电子与嵌入式设备使用。
四、使用建议
- 作为无源晶振需配合微控制器或外部振荡器电路（反相放大器或专用晶体振荡器输入）使用。
- 负载电容选择：按公式 CL = (C1·C2)/(C1+C2) + Cstray 计算，通常外接同值电容 C1=C2。针对 CL=20 pF、考虑印制板寄生电容（约 2–5 pF），推荐 C1=C2 取 27–33 pF（常用 33 pF）。
- 如需改善上电稳定或抑制高增益情况下的振幅过大，可在电路中加入适当的限振电阻或按照 MCU 厂商应用说明调整外围器件。
- 对频率精度、相位噪声等有更高要求时，请向厂商索取完整规格书及等效电路参数进行评估。
五、安装与包装
- 封装为 HC-49S 直插式，典型引脚间距约 10.16 mm（0.4"），便于通孔安装。
- 常见包装形式为管装或散装，具体包装与出货请与供应商确认。
六、可靠性与储存
- 建议在干燥、常温环境下保存，避免潮湿、高温与强震动。
- 在高可靠性应用中建议进行老化与环境应力筛选（参考厂商或设计规范）。
七、选型与订购提示
型号 X49SD18432MSD2SC 标识为 HC-49S 封装、直插无源晶振、频率 18.432 MHz、CL=20 pF、常温偏差 ±20 ppm。如需其他偏差、温度范围或封装选项（如 SMD）、批量价格与交期，请联系 YXC 扬兴科技或授权代理商获取完整数据手册与样品。
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