WMSIC Electronic Components

SCTF SX3B25.000F2010F30

ModelSX3B25.000F2010F30
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 SX3B25.000F2010F30
Type
SCTF
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SCTF
Electronic Component
SX3B25.000F2010F30
Electronic Component
1
Package
SMD3225-4P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.05g
Frequency
25MHz
Electronic Component
1
Electronic Component
BM0266061163
Operating Temperature
40℃~+85℃
Electronic Component
±10ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
20pF
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.

SX3B25.000F2010F30 无源贴片晶振产品概述

SX3B25.000F2010F30是星通时频(SCTF)推出的一款工业级无源石英晶体谐振器,以稳定的频率性能、紧凑封装和宽温适应性,成为数字电路、物联网模块等领域的常用时钟参考器件。以下从核心属性、性能参数、应用场景等维度展开概述:

一、产品基本定位与核心属性

该产品属于无源贴片晶振,区别于内置振荡电路的有源振荡器,需外接MCU/ASIC的驱动电路实现起振。核心定位为工业级常规频率参考器件,兼顾成本与性能,适合对频率精度有基础要求、且需小型化设计的电路场景。

二、关键性能参数详解

1. 频率与频差控制

  • 标称频率:25MHz,是数字电路常用标准频率(可适配多数MCU的分频需求,如分频为12.5MHz、5MHz等);
  • 常温频差:±10ppm(频率偏差≤250Hz),满足普通通信、控制电路的频率一致性要求(如蓝牙模块同步、MCU指令时序)。

2. 负载电容与匹配设计

  • 负载电容:20pF,是无源晶振工作的核心参数——电路需在晶振两端并联外接电容(通常15~22pF,需考虑引脚寄生电容),使总负载电容接近20pF,保证起振稳定与频率精度。

3. 宽温下的频率稳定度

  • 频率稳定度:±30ppm(包含温度、电压波动的总偏差);
  • 工作温度:-40℃~+85℃,覆盖工业级高低温场景(如户外传感器、车间PLC),宽温下最大偏差≤750Hz,满足时序可靠性要求。

4. 起振性能:等效串联电阻(ESR)

  • ESR:30Ω,属于无源晶振合理范围,能保证多数MCU(如STM32)驱动下快速起振,避免振荡不稳定问题。

三、封装与应用场景

1. 封装设计

  • 封装类型:SMD3225-4P(3.2×2.5mm贴片,4引脚),符合SMT工艺,适配自动化生产,适合小型化产品(如智能手环、工业传感器)。

2. 典型应用场景

  • 工业控制:PLC、电机控制器、传感器节点的系统时钟;
  • 物联网模块:WiFi、Bluetooth低功耗模块的参考时钟(满足短距通信同步);
  • 消费电子:小型路由器、智能家电的定时电路(兼顾成本与稳定);
  • 车载辅助:胎压监测接收器等小模块时钟(宽温适配部分车载场景)。

四、可靠性与品质保障

作为SCTF工业级产品,SX3B25.000F2010F30具备:

  • 无源设计:无内置有源电路,抗干扰强、寿命长(≥10年);
  • 高低温测试:出厂前经循环测试,确保-40~+85℃性能稳定;
  • 环保合规:符合RoHS标准,供货稳定,适合批量应用。

五、设计注意事项

  1. 电容匹配:根据20pF负载电容计算外接电容(18~22pF,扣除PCB寄生电容);
  2. 布线要求:远离高频干扰源(电源、射频),布线短且对称;
  3. 驱动确认:MCU驱动端(OSC_IN/OUT)电流需≥1mA(适配30Ω ESR)。

综上,SX3B25.000F2010F30以平衡的性能、紧凑封装和工业级适应性,成为数字电路时钟参考的高性价比选择,覆盖消费电子到工业控制的多元场景。

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