WMSIC Electronic Components

YJX SX701532768K4GDCZ3T

ModelSX701532768K4GDCZ3T
PackageMC-146
BrandYJX
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
YJX SX701532768K4GDCZ3T
Type
YJX
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJX
Electronic Component
SX701532768K4GDCZ3T
Electronic Component
1
Package
MC-146
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.08g
Frequency
32.768kHz
Electronic Component
1
Electronic Component
BM0264594682
Operating Temperature
40℃~+85℃
Electronic Component
±20ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
12.5pF
Frequency
±30ppm
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.

SX701532768K4GDCZ3T 贴片晶振产品概述

SX701532768K4GDCZ3T是雅晶鑫(YJX)推出的一款工业级32.768kHz贴片石英晶振,针对实时时钟(RTC)、低功耗计时等场景优化设计,兼具精准度、宽温稳定性与易集成性,适配消费电子、工业控制及车载设备等多领域需求。

一、核心参数与实际价值

该晶振的参数围绕精准计时与环境适应性做了针对性设计,具体解读如下:

  • 基础频率:32.768kHz:作为RTC领域的标准频率,其2¹⁵倍频特性可直接分频得到1Hz(秒信号),无需复杂电路设计,完美匹配STM32、ESP32等主流MCU的RTC子系统;
  • 常温频差:±20ppm:25℃环境下频率偏差控制在20个百万分点内,换算为时间误差约**±0.864秒/天**,满足日常计时、数据同步的精度要求(如智能手表的时间显示无需频繁校准);
  • 负载电容:12.5pF:晶振谐振所需的外接匹配电容,用户电路通常并联两个6pF左右电容(总负载≈12.5pF),可简化硬件设计,减少调试工作量;
  • 频率稳定度:±30ppm:涵盖温度变化、电源波动等因素的总频率偏差,结合宽温范围,确保设备在复杂环境下仍能保持计时稳定(如车载导航在-40℃低温下仍能准确记录行驶时间);
  • 等效串联电阻(ESR):65kΩ:串联谐振点的电阻值,属于该类型晶振的常规低阻水平,有助于降低功耗、提升振荡电路的稳定性(适配低功耗IoT节点的休眠唤醒需求);
  • 工作温度:-40℃~+85℃:工业级宽温范围,可适应户外低温(如户外传感器节点)、工业高温(如控制柜内设备)等场景,覆盖90%以上应用的环境需求。

二、封装与工艺特点

SX701532768K4GDCZ3T采用MC-146贴片封装,具备以下实用优势:

  • 小尺寸集成:封装尺寸约2.0×1.6mm,无引脚SMD设计,适配高密度PCB布局(如智能手环、小型医疗仪器);
  • 自动化贴装:符合SMT生产标准,可通过自动化贴片机高速贴装,提升量产效率(适合批量消费电子生产);
  • 可靠密封工艺:采用环氧树脂全密封结构,防潮、抗冲击,可通过温湿度循环、盐雾测试等可靠性验证(如车载设备的振动环境);
  • 高精度晶体片:雅晶鑫自研的石英晶体片切割工艺,确保频率一致性与长期稳定性,减少批次差异(同一批次产品频差波动极小)。

三、典型应用场景

该晶振的参数特性使其广泛应用于对精准计时、宽温稳定有要求的领域:

  1. 消费电子:智能手表、手环的RTC计时,机顶盒、路由器的定时开关机与网络时间同步;
  2. 工业控制:PLC、传感器节点的定时采样(如环境监测每10分钟采集一次数据),工业设备的故障日志时间戳;
  3. 车载电子:车载导航的时间显示,仪表盘的行驶时间记录,适应-40℃低温与85℃高温的车载环境;
  4. 物联网设备:低功耗IoT节点的唤醒定时(如每小时上传一次数据),避免MCU长期休眠导致的时间漂移;
  5. 医疗设备:小型医疗仪器的计时功能(如血糖仪的检测时间记录),需稳定可靠的计时支持。

四、性能优势与可靠性

SX701532768K4GDCZ3T的综合性能优于同类通用晶振,核心优势包括:

  • 计时精准:标准频率+低常温频差,无需额外校准即可满足日常计时需求;
  • 宽温稳定:-40~85℃工作范围+±30ppm稳定度,避免温度变化导致的时间漂移;
  • 易集成:小封装+匹配负载电容,与主流MCU的RTC模块无缝对接;
  • 耐用可靠:环氧树脂密封+石英晶体固有特性,使用寿命可达10年以上,抗机械冲击与振动;
  • 成本可控:工业级性能但保持亲民价格,适合批量应用(如智能家居设备的大规模生产)。

五、总结

SX701532768K4GDCZ3T作为雅晶鑫的主力32.768kHz晶振,精准度、宽温性与集成性平衡,是实时时钟、低功耗计时场景的优选器件。无论是消费电子的便携设备,还是工业/车载的复杂环境,都能提供稳定可靠的计时支持,降低硬件设计难度与成本。

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