WMSIC Electronic Components

HCI 3111M-32.768DZ08LLL 3111M

Model3111M-32.768DZ08LLL
PackageSMD1610-2P
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 3111M-32.768DZ08LLL
Type
HCI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HCI
Electronic Component
3111M-32.768DZ08LLL
Electronic Component
1
Package
SMD1610-2P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.024g
Frequency
32.768kHz
Electronic Component
1
Electronic Component
BM0264982114
Operating Temperature
40℃~+125℃
Electronic Component
±20ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
8pF
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.

3111M-32.768DZ08LLL 产品概述

一、产品简介

3111M-32.768DZ08LLL 为 HCI(杭晶)出品的一款贴片石英晶体,工作频率 32.768 kHz,采用 SMD1610-2P 小型封装(封装尺寸约 1.6 × 1.0 mm),专为低功耗实时时钟(RTC)及精密计时应用设计。器件在宽温度范围内保持高稳定性,适用于通信、工业控制、智能终端等需要长时间稳定计时的场景。

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
  • 频率稳定度:±20 ppm
  • 负载电容(CL):8 pF
  • 等效串联电阻(ESR):80 kΩ
  • 工作温度范围:-40 ℃ ~ +125 ℃
  • 品牌:HCI(杭晶)
  • 封装:SMD1610-2P(2 引脚)

三、特点与优势

  • 小尺寸封装:SMD1610-2P 适合空间受限的便携或穿戴设备,便于自动贴装与回流焊工艺。
  • 低频低功耗:32.768 kHz 频率是 RTC 常用基准,配合低频振荡电路可实现极低功耗时钟保持。
  • 优良温度范围与稳定度:-40 ~ +125 ℃ 的工作温度配合 ±20 ppm 的稳定度,能满足多数工业级和严苛环境下的计时需求。
  • 合理 ESR:80 kΩ 的等效串联电阻适配多数 MCU/RTC 的内置振荡器驱动电路,但在选择时仍需确认驱动能力匹配。

四、典型应用

  • 实时时钟(RTC)与时间基准模块
  • 微控制器低速时钟(MCU LFXT)
  • 智能表计、家电、物联网终端与传感器节点
  • 可穿戴设备与便携式医疗设备的时间保持
  • 低功耗监控与数据记录系统

五、安装与电路建议

  • 推荐振荡电容计算:若采用对称电容 C1 = C2,则 C ≈ 2 × (CL − Cstray)。示例:若 PCB 与器件间寄生电容 Cstray ≈ 2–3 pF,则 C 推荐取 10–12 pF。
  • 振荡器驱动:由于 ESR 较高,设计时应确认 MCU/RTC 的晶体驱动电流及启动能力,必要时选择带有增强驱动或外部放大器的方案。
  • PCB 布局:晶体两端尽量短而对称的走线,接地平面完整,避免在晶体与 MCU 间放置其他信号线或噪声源,两个负载电容应靠近晶体并紧邻接地。
  • 焊接工艺:支持常规无铅回流焊工艺,建议参照厂方推荐的焊接温度曲线与峰值温度,避免过度焊接峰值导致性能漂移。

六、注意事项与储存

  • 避免超出规定的温度范围和机械应力(弯曲、挤压),以免影响谐振频率与可靠性。
  • 清洗时避免长时间超声波清洗或强烈溶剂浸泡,以防内部结构受损。
  • 储存建议放置于干燥、常温、无腐蚀性气体环境中,遵循元件防潮等级与包装说明。

七、选型与采购建议

在选型时,请结合目标系统的振荡器驱动能力(启动电流、可接受 ESR)、所需长期频率稳定度及环境工况(温度、振动等)评估是否满足需求。有关回流焊曲线、详细封装尺寸、老化与振荡器匹配曲线等,请参阅 HCI(杭晶)正式数据手册或直接向供应商索取样品及技术支持,以确保在量产环境中实现稳定可靠的时钟性能。

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