WMSIC Electronic Components

HCI 3131M-32.768DT09LLL 3131M

Model3131M-32.768DT09LLL
PackageSMD3215-2P
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 3131M-32.768DT09LLL
Type
HCI
Minimum package
3000 卷盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HCI
Electronic Component
3131M-32.768DT09LLL
Electronic Component
1
Package
SMD3215-2P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.044g
Frequency
32.768kHz
Electronic Component
1
Electronic Component
BM0264526972
Operating Temperature
40℃~+85℃
Electronic Component
±20ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
9pF
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 3131M-32.768DT09LLL 贴片晶振产品概述

一、产品定位与核心价值

HCI(杭晶)3131M-32.768DT09LLL是一款针对实时时钟(RTC)基准、低功耗计时系统设计的高精度贴片晶振,核心聚焦“稳定时钟输出、宽温适应、小封装集成”三大特性,适配消费电子、工业控制、物联网等多领域对低成本高精度时间基准的需求,可替代同类进口晶振,实现国产化稳定供应。

二、关键参数详解

该晶振的核心参数直接支撑其应用场景的可靠性,具体如下:

  1. 频率特性:标称频率32.768kHz——该频率是RTC系统的标准基准(经15级分频可直接得到1Hz秒信号),无需额外复杂分频电路,大幅简化系统设计;
  2. 精度指标:常温频差±20ppm、频率稳定度±20ppm——常温下频率偏差为±0.655Hz(32.768kHz×20×10⁻⁶),满足绝大多数计时设备的精度要求(如每日时间误差≤5.7s);宽温范围内(-40℃~+85℃)仍保持±20ppm的稳定度,避免温度变化导致时钟漂移;
  3. 负载电容:9pF——晶振工作时需外部匹配两个4.7pF(或单个9pF) 陶瓷电容,确保振荡回路谐振频率与标称值一致,是保证精度的关键;
  4. 温度范围:-40℃~+85℃——覆盖工业级环境温度,可稳定工作于户外、车载等高低温场景,无需额外温控措施。

三、封装与物理特性

采用SMD3215-2P(3.2mm×1.5mm×0.8mm)小型贴片封装,具有以下优势:

  • 空间节省:相比传统插件晶振,体积缩小60%以上,适配智能穿戴、小型传感器等迷你化设备;
  • 贴装兼容:2引脚设计支持自动化SMT贴装,生产效率高,适合批量制造;
  • 环保合规:符合RoHS无铅标准,无有害物质,满足全球电子市场环保要求。

四、可靠性与应用稳定性

HCI作为国内晶振领域的成熟品牌,该产品通过多项可靠性测试,保障长期工作可靠性:

  • 抗干扰性:贴片封装减少电磁辐射干扰,且内部采用高精度石英晶体片,抗机械振动(振动频率10~2000Hz,加速度≤1.5g);
  • 长寿命:典型使用寿命≥10年,适用于需要长期稳定计时的设备(如智能电表、工业PLC);
  • 焊接兼容性:支持回流焊(峰值温度≤260℃,时间≤10s),避免焊接过程中晶体受损。

五、典型应用场景

该晶振因“低功耗、高精度、小体积”特性,广泛应用于以下领域:

  1. 实时时钟模块:智能手表、手环、物联网节点(如温湿度传感器)的RTC计时;
  2. 工业控制:PLC、变频器、工业传感器的时间同步基准;
  3. 消费电子:智能家居设备(如智能门锁)、遥控器、小型家电的计时功能;
  4. 汽车电子:车载时钟、胎压监测系统(TPMS)的低功耗计时;
  5. 医疗设备:小型医疗仪器(如血糖监测仪)的时间记录。

六、选型与应用注意事项

为确保晶振性能发挥,需注意以下要点:

  1. 负载电容匹配:必须外接9pF左右的陶瓷电容(建议并联两个4.7pF电容,误差≤±5%),否则会导致频率偏移;
  2. PCB布局:晶振下方避免走线,周围远离高频电路(如CPU时钟),减少电磁干扰;
  3. 焊接温度控制:回流焊温度不得超过260℃,避免晶体过热破裂;
  4. 存储条件:常温干燥环境存储(温度0~40℃,湿度≤60%),开封后尽快使用(建议1个月内)。

总结:HCI 3131M-32.768DT09LLL是一款高性价比的32.768kHz贴片晶振,凭借宽温稳定、小封装、高精度等特性,成为RTC计时领域的主流选型之一,适配多场景下的低成本高精度时间基准需求。

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