WMSIC Electronic Components

HCI(杭晶) 3131M32768DT06LL

Model3131M32768DT06LL
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 3131M32768DT06LL
Type
HCI
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HCI
Electronic Component
3131M32768DT06LL
Electronic Component
1
Package
SMD3215-2P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.04g
Frequency
32.768kHz
Electronic Component
1
Electronic Component
BM0263576892
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 3131M32768DT06LL 贴片晶振产品概述

HCI(杭晶)3131M32768DT06LL是一款针对低功耗精准计时设计的SMD3215-2P封装贴片晶振,核心频率32.768kHz,覆盖-40℃~+85℃宽温范围,具备稳定的频率特性,广泛适配消费电子、物联网终端、工业控制等场景的实时时钟(RTC)模块需求。

一、产品核心参数与性能解析

该晶振的参数直接指向计时类应用的核心痛点,具体拆解如下:

  1. 基础频率:32.768kHz
    32.768kHz是RTC领域的标准频率,因2¹⁵=32768,可通过15级二分频直接得到1Hz(秒信号),无需复杂分频电路,能最大程度降低功耗并简化系统设计(典型功耗仅μW级)。
  2. 频差与稳定度:±20ppm
    • 常温(25℃)频差±20ppm:即频率相对于标称值的偏移不超过0.0002%,常温下每天计时误差约为 (20×10⁻⁶)×86400秒≈1.73秒,满足手机、智能穿戴等消费电子的日常精度需求;
    • 工作温区稳定度±20ppm:在-40℃~+85℃极端温度下,频率偏移仍控制在±20ppm内,确保户外物联网设备、工业PLC等场景的长期稳定计时。
  3. 负载电容:6pF
    负载电容是晶振工作时需匹配的等效电容,该产品要求电路端负载电容为6pF(通常由两个3pF电容并联到地实现),若匹配偏差超过1pF,会导致频率偏移0.01%左右,需严格遵循厂商应用指南。
  4. 工作温度范围:-40℃~+85℃
    覆盖工业级宽温需求,可适配户外监控、车载电子(部分场景)、工业传感器等高低温环境下的计时应用,避免极端温度导致的计时失准。

二、封装与物理特性

3131M32768DT06LL采用SMD3215-2P封装,具备以下实用优势:

  • 尺寸小巧:标准尺寸约3.2mm×1.5mm×0.8mm,仅为传统直插晶振的1/5左右,可显著节省PCB空间,适配智能手表、蓝牙耳机等小型化产品;
  • 贴片式设计:2引脚表面贴装结构,兼容自动化贴装生产线,焊接效率高(单台贴片机每小时可贴装数万颗),适合批量生产;
  • 无引脚抗应力:避免直插引脚的机械应力影响,同时降低焊接虚焊风险,提升产品可靠性(虚焊率低于0.1%)。

三、品牌与可靠性保障

HCI(杭州晶华微电子)是国内晶振领域的主流厂商,其产品通过ISO 9001质量管理体系认证,3131M32768DT06LL的可靠性测试符合行业标准:

  • 高低温循环测试:-40℃~+85℃循环1000次,频率偏移仍≤±20ppm;
  • 振动与冲击测试:满足IEC 60068-2-6(振动10~2000Hz,加速度1g)、IEC 60068-2-27(冲击100g/1ms)标准,可承受运输与现场环境的机械应力;
  • 长期老化测试:1000小时老化后频率变化≤±10ppm,确保产品3年以上的稳定工作周期。

四、典型应用场景

该晶振的低功耗、宽温、精准特性,使其成为以下场景的优选:

  1. 消费电子:智能手表/手环、蓝牙耳机、智能家居设备的RTC模块,确保时间同步与定时功能稳定(如手环闹钟、智能音箱定时);
  2. 物联网终端:户外环境监测传感器、智能电表、物流追踪标签的计时与数据戳记(如温湿度传感器的时间戳精度要求);
  3. 工业控制:PLC、工业传感器节点的实时时钟,支持设备状态记录与定时控制(如生产线设备的定时启动);
  4. 车载电子:车载显示屏、行车记录仪的低功耗计时(适配-40℃~+85℃工作环境,满足车载高低温需求)。

五、选型与使用注意事项

为确保晶振性能稳定,需注意以下实用要点:

  1. 负载电容匹配:电路中需并联两个3pF电容(或等效6pF)到晶振引脚,避免频率偏移;
  2. 焊接规范:回流焊峰值温度≤260℃,焊接时间≤10秒,避免高温损坏晶振内部石英晶体;
  3. 噪声隔离:晶振附近需远离射频电路、开关电源等噪声源,可通过接地屏蔽或PCB布局优化(如增加晶振区域铜箔)减少干扰;
  4. 机械应力控制:PCB设计需避免晶振区域应力集中(如过度弯曲),可通过增加支撑结构或采用柔性PCB降低应力影响。

该产品以高性价比、稳定可靠的特性,成为计时类应用中替代进口晶振的主流选择,适配多领域的小型化、宽温需求,目前已批量应用于国内多家消费电子与物联网厂商的终端产品中。

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