Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
HCI 3110M4-32.768DTTLLLL 3110M4
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HCI 3110M4-32.768DTTLLLL
- Type
- HCI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HCI
- Electronic Component
- 3110M4-32.768DTTLLLL
- Electronic Component
- 1
- Package
- SMD1210-4P
- Electronic Component
- Passive Crystal Oscillator
- Electronic Component
- 0.09g
- Frequency
- 32.768kHz
- Electronic Component
- 1
- Electronic Component
- BM0264982135
- Operating Temperature
- 40℃~+85℃
- Electronic Component
- ±20ppm
- Crystal Oscillator Type
- SMDCrystal Oscillator
- Load Capacitor
- 12.5pF
- 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.
3110M4-32.768DTTLLLL 产品概述
一、产品简介
3110M4-32.768DTTLLLL 是杭晶（HCI）推出的一款低频贴片晶振，工作频率为 32.768 kHz，专为实时时钟（RTC）与超低功耗计时应用设计。器件采用 SMD1210-4P 封装，体积小、重量轻，便于批量贴装与自动化生产。凭借稳定的频率特性与宽温度范围，适用于消费电子、物联网终端、仪表计量与可穿戴设备等场景。
二、主要性能参数
- 晶振类型：贴片晶振（SMD）
- 频率：32.768 kHz
- 常温频差：±20 ppm（出厂标称值）
- 频率稳定度：±20 ppm（规格标称，详细测试条件请参考出厂资料）
- 负载电容：12.5 pF（建议两端各并联匹配电容以形成 Pierce 振荡回路）
- 等效串联电阻（ESR）：80 kΩ（典型值）
- 工作温度：-40 ℃ ~ +85 ℃
- 品牌：HCI（杭晶）
- 封装：SMD1210-4P
三、典型应用
- 实时时钟（RTC）与时间基准模块
- 低功耗微控制器（MCU）系统的时基源
- 智能手表与可穿戴设备
- 远程计量表、传感网及物联网节点
- 需要高精度与长期稳定计时的便携设备
四、封装与安装建议
- 封装为 SMD1210-4P，适配常见 1210 封装 PCB 焊盘布局，推荐靠近 MCU 晶振输入引脚放置以减小走线长度与寄生电容。
- 对于 Pierce 振荡电路，建议在晶体两端各并联与规格匹配的负载电容（通常按 CL = 12.5 pF 计算，两端电容约为 12~15 pF，需考虑印制板寄生电容进行微调）。
- 布局注意：将晶振及其两侧电容的地面回流短且独立，避免强干扰信号线、射频模块或开关电源近旁干扰。
- 贴片焊接建议采用无铅回流工艺，遵循厂家推荐的回流温度曲线与焊接参数，以保证可靠性与性能。
五、注意事项与可靠性
- ESR 值对振荡启动有直接影响，80 kΩ 的 ESR 适合低频 RTC 应用，但在极低电源电压或高负载条件下需验证启动时间与稳定性。
- 频率稳定度与常温频差为标称值，实际应用中受温度、应力、封装应力与老化影响，设计时预留合适裕量并在系统调校中考虑误差补偿。
- 储存与运输应避免潮湿、剧烈振动与高温环境，焊接前如长期暴露建议进行烘干处理。
- 出于合规与长期供应考虑，具体批次的认证（如 RoHS）与详细电气/机械图纸请以厂商出具的最新数据手册为准。
总结：3110M4-32.768DTTLLLL 以其稳定的 32.768 kHz 基频、窄频差与小型 SMD1210 封装，适合对体积与功耗有严格要求的计时应用。建议在设计初期参照厂方应用说明完成 PCB 布局与负载电容匹配验证，以获得最佳启动与稳频表现。
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