WMSIC Electronic Components

SCTF SX3B8.000F1010G30

ModelSX3B8.000F1010G30
PackageSMD3225-4P
BrandSCTF
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
SCTF SX3B8.000F1010G30
Type
SCTF
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SCTF
Electronic Component
SX3B8.000F1010G30
Electronic Component
1
Package
SMD3225-4P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.041g
Frequency
8MHz
Electronic Component
1
Electronic Component
BM0266107535
Operating Temperature
40℃~+105℃
Electronic Component
±10ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
10pF
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.

SX3B8.000F1010G30无源贴片晶振产品概述

SX3B8.000F1010G30是星通时频(SCTF)推出的一款工业级无源贴片晶振,采用SMD3225-4P小型化封装,核心频率为8MHz,针对宽温环境下的稳定时钟输出需求设计,可广泛适配工业控制、物联网、消费电子等多领域应用场景。

一、产品核心定位与特征

该晶振以宽温可靠性、低频率偏移为核心优势,主打小型化、易贴装特性,主要特征包括:

  1. 无源贴片设计,适配自动化SMT产线;
  2. 8MHz基准频率,匹配多数MCU/SoC的时钟输入需求;
  3. 常温频差±10ppm,全温频率稳定度±30ppm;
  4. 10pF负载电容,与主流振荡电路兼容性好;
  5. 等效串联电阻(ESR)≤300Ω,保证起振可靠性;
  6. 工作温度范围-40℃~+105℃,覆盖工业级环境要求。

二、关键性能参数详解

1. 频率与频差指标

  • 基准频率:8MHz,是消费电子、工业控制领域的常用时钟频率;
  • 常温(25℃)频差:±10ppm,换算为频率偏移量为±80Hz(8MHz×10×10⁻⁶),可满足普通计时、通信同步等场景的精度要求;
  • 全温稳定度:±30ppm(-40℃~+105℃),最大频率偏移量±240Hz,确保极端温度下时钟输出无明显漂移。

2. 负载电容与ESR

  • 负载电容10pF:无源晶振的负载电容需与电路匹配,该参数与多数MCU内置振荡电路的匹配电容(5~15pF)兼容,无需额外调整即可实现稳定振荡;
  • ESR≤300Ω:等效串联电阻是晶振起振的核心参数,低ESR可降低振荡电路的驱动功率需求,避免因ESR过高导致不起振或振荡不稳定。

3. 环境适应性

工作温度范围-40℃~+105℃,符合工业级器件的环境要求,可用于户外设备、车载辅助系统、工业PLC等需应对极端温度的场景。

三、封装与可靠性设计

SX3B8.000F1010G30采用SMD3225-4P封装,尺寸为3.2mm×2.5mm×0.8mm(典型值),属于小型化贴片封装,可有效节省PCB空间,适配高密度电路设计。封装材料为陶瓷,具备以下可靠性优势:

  1. 抗振动性能:可承受10g(10~2000Hz)的振动应力,满足工业设备的振动环境;
  2. 抗冲击性能:可承受1000g(0.1ms)的冲击,适合便携式设备或运输过程中的冲击场景;
  3. 防潮性能:陶瓷封装的气密性好,可有效防止潮气侵入,提升长期可靠性(平均无故障时间MTBF≥10⁶小时)。

四、典型应用场景

基于宽温特性与稳定的时钟输出,该晶振可应用于以下场景:

  1. 工业控制:PLC、变频器、传感器节点的系统时钟;
  2. 物联网设备:智能家居网关、智能电表、环境监测终端的定时同步电路;
  3. 消费电子:智能手机、平板电脑、智能穿戴设备的辅助时钟(如RTC);
  4. 车载电子:车载信息娱乐系统、胎压监测模块的辅助时钟;
  5. 医疗设备:便携式血压计、血糖仪的计时电路。

五、选型与使用注意事项

  1. 负载电容匹配:电路中需并联两个10pF左右的陶瓷电容(0805封装)到晶振引脚与地之间,避免频率偏移;
  2. 振荡电路设计:确认MCU/振荡芯片的驱动能力(如STC、STM32内置振荡电路可直接驱动),若驱动不足需外接振荡管;
  3. 焊接工艺:采用回流焊,温度曲线需符合SCTF推荐参数(峰值温度240~250℃,时间≤30s),避免热应力损坏;
  4. 布局布线:晶振电路靠近MCU时钟引脚,走线长度≤2cm,远离高频信号线(SPI、I2C),减少电磁干扰;
  5. 存储条件:未焊接晶振存储于0~40℃、湿度≤60%环境,避免长期暴露于潮湿环境。

该产品凭借稳定的性能与宽温适应性,可作为工业级、消费级设备的可靠时钟源选择。

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