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HCI 3131M2-32.768DTTLRRL 3131M2
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HCI 3131M2-32.768DTTLRRL
- Type
- HCI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HCI
- Electronic Component
- 3131M2-32.768DTTLRRL
- Electronic Component
- 1
- Package
- SMD3215-2P
- Electronic Component
- Passive Crystal Oscillator
- Electronic Component
- 0.03g
- Frequency
- 32.768kHz
- Electronic Component
- 1
- Electronic Component
- BM0264982122
- Operating Temperature
- 40℃~+85℃
- Electronic Component
- ±5ppm
- Crystal Oscillator Type
- SMDCrystal Oscillator
- Load Capacitor
- 12.5pF
- Frequency
- ±5ppm
- 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.
3131M2-32.768DTTLRRL 产品概述
3131M2-32.768DTTLRRL 是杭晶（HCI）全国产化的贴片表晶，面向低功耗计时、实时时钟（RTC）及便携类电子产品的高可靠频率源。器件采用SMD3215-2P封装，体积小、配套工艺成熟，便于SMT批量生产和自动化贴装。
一、主要参数概述
- 晶振类型：贴片晶振（SMD）
- 标称频率：32.768 kHz
- 常温频差：±5 ppm
- 频率稳定度：±5 ppm
- 负载电容：12.5 pF
- 等效串联电阻（ESR）：70 kΩ
- 工作温度范围：-40 ℃ ~ +85 ℃
- 封装：SMD3215-2P
- 品牌：HCI（杭晶）
- 产品型号：3131M2-32.768DTTLRRL
二、产品特性与优势
- 高频率精度高：常温频差与频率稳定度均控制在±5 ppm，满足高精度计时应用需求。
- 低功耗设计：32.768 kHz为常用RTC频率，结合高ESR和合适的负载电容，能在低电流条件下稳定振荡，延长电池寿命。
- 工业温度等级：-40 ℃ 至 +85 ℃的宽温工作范围，适用于多种工业与车载周边环境。
- 全国产化保障：供应链本地化，交期可控，适合国产化替代与规模化采购。
- 封装兼容性强：SMD3215-2P 封装适配常见PCB布局，便于自动化装配与回流焊工艺。
三、典型应用场景
- 实时时钟（RTC）与低速计时模块
- 可穿戴设备、手持终端、远程传感器等低功耗终端
- 智能家居控制器与消费类电子产品
- 工业控制与数据记录设备，要求长期稳定计时的场合
四、封装与焊接建议
- 封装：SMD3215-2P（3.2 mm × 1.5 mm），建议在PCB上预留标准焊盘，参考厂家推荐的焊盘尺寸与贴装方向。
- 焊接：兼容回流焊工艺，建议按IPC推荐的回流曲线实施，以保证可靠的焊点与长寿命性能。
- 布局注意：晶振应与微控制器或RTC芯片的时钟输入管脚靠近布置，避免长走线和强干扰源并行布线。
五、可靠性与选型建议
- 在高噪声或有强电磁干扰的系统中，建议增加旁路/滤波设计并在晶振与敏感信号之间保持适当屏蔽与走线间距。
- 选型时请关注系统负载电容与晶振标称负载（12.5 pF）匹配，以确保最佳频率稳定性与启动特性。
- 对于极端温度或更高频率精度的应用，可与供应商沟通定制测试或更严格的规格保证。
如需器件封装图、焊盘推荐尺寸或样品采购信息，可提供进一步的技术资料与支持。
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