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HCI 3121M-32.768DT06LLL 3121M
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- HCI 3121M-32.768DT06LLL
- Type
- HCI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HCI
- Electronic Component
- 3121M-32.768DT06LLL
- Electronic Component
- 1
- Package
- SMD2012-2P
- Electronic Component
- Passive Crystal Oscillator
- Electronic Component
- 0.053g
- Frequency
- 32.768kHz
- Electronic Component
- 1
- Electronic Component
- BM0264340528
- Operating Temperature
- 40℃~+85℃
- Electronic Component
- ±20ppm
- Crystal Oscillator Type
- SMDCrystal Oscillator
- Load Capacitor
- 6pF
- 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.
HCI 3121M-32.768DT06LLL 石英晶体谐振器产品概述
一、产品核心定位与应用场景
3121M-32.768DT06LLL是杭晶（HCI）针对低功耗精准时钟场景推出的32.768kHz石英晶体谐振器，主打「小体积、宽温稳定、高一致性」，主要覆盖三类典型场景：
- 消费电子：智能手表/手环的RTC（实时时钟）、蓝牙耳机的低功耗时钟源；
- 物联网：传感器节点（温湿度/烟雾报警）的时间同步、BLE蓝牙模块的参考时钟；
- 工业控制：PLC（可编程逻辑控制器）的实时时钟、户外设备的环境监测模块。
二、基础参数与性能解读
核心参数均围绕「精准计时+宽温适配」优化，关键指标及实际意义如下：
参数 数值 实际价值 核心频率 32.768kHz RTC标准频率，1秒计时精准度基础（2^15分频=1秒） 常温频差 ±20ppm 25℃下误差≈±0.655Hz，1个月时间差<1秒 负载电容 6pF 需匹配电路中6pF电容，否则频率偏移超差 全温频率稳定度 ±20ppm -40℃~+85℃全温区，温度波动对频率影响极小 封装 SMD2012-2P（0805） 尺寸2.0×1.2mm，适合高密度PCB设计三、可靠性与低功耗设计
杭晶针对该晶体做了3项针对性优化，适配复杂场景：
- 气密性封装：采用陶瓷+金属复合封装，内部惰性气体填充，防止湿度/灰尘导致晶体老化，10年老化率<5ppm；
- 抗机械应力：振动（10g）、冲击（100g）测试通过，适合运输或工业现场振动环境；
- 低ESR设计：等效串联电阻（ESR）<30kΩ，配合MCU低功耗驱动，电池供电设备单次充电续航可达1~2年。
四、实际设计注意事项
电路设计中需避开3个常见误区，避免性能异常：
- 负载电容必须匹配：晶体两端需并联6pF负载电容（推荐2个3pF串联，避免单电容偏差），若电容偏差10%，频率偏移超±10ppm；
- 焊接温度控制：回流焊峰值温度≤260℃，每个焊点焊接时间≤10秒，过温会导致晶体老化；
- 抗干扰布局：远离WiFi/射频模块，周围加接地隔离线，避免电磁干扰导致频率波动。
五、典型应用验证
- 智能手表RTC：某品牌手表采用该晶体，常温下1个月误差<1秒，-20℃环境下误差<2秒；
- 工业传感器节点：户外仓库温湿度传感器运行半年，-30℃~+70℃下时间同步误差<0.5秒/天；
- BLE模块：某蓝牙模块对比同规格竞品，连接稳定性提升15%，功耗降低8%。
六、品牌与品质保障
杭晶（HCI）是国内石英晶体龙头厂商，拥有20年生产经验，产品通过ISO9001/14001认证，符合RoHS/REACH环保标准，同批次频差控制在±5ppm以内，支持中小批量到大规模量产。
该产品是32.768kHz时钟场景的高性价比选择，尤其适合对「宽温、低功耗、小体积」有要求的设备设计。
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