WMSIC Electronic Components

HCI 0132M4-12.000F18HPLLL 0132M4

Model0132M4-12.000F18HPLLL
PackageSMD3225-4P
BrandHCI
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
HCI 0132M4-12.000F18HPLLL
Type
HCI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HCI
Electronic Component
0132M4-12.000F18HPLLL
Electronic Component
1
Package
SMD3225-4P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.06g
Frequency
12MHz
Electronic Component
1
Electronic Component
BM0264982120
Operating Temperature
20℃~+70℃
Electronic Component
±20ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
18pF
Frequency
±20ppm
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.

0132M4-12.000F18HPLLL 产品概述

一、产品简介

0132M4-12.000F18HPLLL 是杭晶(HCI)全国产化生产的贴片晶体谐振器,采用 SMD 3225(3.2 × 2.5 mm)封装,金属盖结构,4Pad 引脚形式(4P)。本器件标称频率 12.000 MHz,面向对体积、可靠性和成本有要求的消费电子、工业控制和通信类中低端应用,为 MCU、DSP 及各种数字系统提供稳定时钟源。

二、主要技术参数

  • 型号:0132M4-12.000F18HPLLL(HCI 杭晶)
  • 晶振类型:贴片晶振(SMD 金属封装)
  • 封装:3225(3.2 × 2.5 mm),4P 引脚
  • 标称频率:12.000 MHz
  • 常温频差(初始公差):±20 ppm
  • 频率稳定度:±20 ppm(器件规格标注,实际值受温度、老化、电源及负载等影响)
  • 负载电容(CL):18 pF
  • 等效串联电阻(ESR):100 Ω(Max)
  • 工作温度范围:-20 ℃ ~ +70 ℃(商用级)
  • 外壳材质:金属盖(提高屏蔽与机械可靠性)
  • 制造特点:国产化、量产稳定、适配常规回流焊工艺

三、典型应用

  • MCU/MPU 时钟源(中低速片上系统)
  • 通信终端与模块中的参考时钟
  • 工业控制与自动化设备的时序电路
  • 嵌入式消费电子(机顶盒、智能家电、音视频设备等) 说明:12 MHz 常用于某些控制器内部 PLL、UART、SPI 等接口频率基准。对于需要超高温度范围或特殊频率稳定性的场景(航空航天、军工或高精度测量),建议选用专用等级晶体或振荡器。

四、PCB 布局与安装建议

为保证振荡器稳定启动与低相位噪声,建议在 PCB 设计与布局时遵循以下要点:

  • 尽量将晶振放置在 MCU(或振荡电路)两个振荡引脚附近,走线最短、最直接。
  • 在晶振两端到地各并联的负载电容应均衡布置,接地端紧靠晶振引脚。负载电容取值须按公式计算并考虑 PCB 寄生电容:CL = (C1·C2)/(C1+C2) + Cstray。典型做法是 C1 = C2,并根据板上寄生电容(通常 2–5 pF)适当选择电容,常用起始值为 22 pF,再通过调试优化。
  • 在晶振与 MCU 之间避免穿过或靠近高速信号线、电源开关或大电流回流路径,减少噪声耦合。
  • 在晶振区域使用完整的地平面以改善屏蔽和回流,且避免将敏感模拟电路放置于晶振附近。
  • 回流焊工艺兼容性:晶振适用于常规无铅回流焊,但建议按器件制造商提供的温度曲线进行焊接,以免影响性能或可靠性。
  • 如遇振荡启动困难,可考虑在振荡器回路中加入小阻值串联电阻以调整回路增益或添加外部偏置元件(以具体芯片数据手册为准)。

五、选型与使用注意事项

  • 负载电容匹配:务必按器件指定 CL=18 pF 做匹配计算,错误的负载电容会导致频率偏移或启动问题。
  • ESR 影响:100 Ω 的最大 ESR 指示该晶体适用于通用振荡器电路;在严格启动或高负载驱动环境下需关注驱动电路的增益裕度。
  • 温度范围:-20~+70 ℃ 为商用级,应避免在更严苛的温度环境中长期使用,若需工业级或军规级请选型更高等级产品。
  • 频率精度与稳定性:器件在出厂常温频差及标称稳定度为 ±20 ppm;实际系统级频偏需综合初期误差、温漂、老化及电源噪声等因素评估。
  • 可靠性与替代:作为国产化产品,杭晶(HCI)提供良好的供应链可追溯性;为保障长期稳定供货建议和供应商确认批次一致性与相关质量认证。

六、总结

0132M4-12.000F18HPLLL 是一款面向通用电子设备的国产化 12 MHz SMD 晶振,具备小尺寸(3225)、金属屏蔽、高兼容性和典型商用级温度范围,适合大批量产品中作为主时钟源使用。在实际设计时请重点关注负载电容匹配、PCB 布局与振荡电路的驱动条件,以保证器件的启动可靠性和长期频率稳定性。如需更严格的频率稳定或耐温性能,可与供应商沟通定制型号或查看杭晶更高等级的产品系列。

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