WMSIC Electronic Components

SCTF SX3B12.000F1510F30

ModelSX3B12.000F1510F30
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 SX3B12.000F1510F30
Type
SCTF
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SCTF
Electronic Component
SX3B12.000F1510F30
Electronic Component
1
Package
SMD3225-4P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.064g
Frequency
12MHz
Electronic Component
1
Electronic Component
BM0266061181
Operating Temperature
40℃~+85℃
Electronic Component
±10ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
15pF
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.

SX3B12.000F1510F30无源贴片晶振产品概述

SX3B12.000F1510F30是星通时频(SCTF)推出的一款无源贴片石英晶振,针对中低端电子设备的时钟基准需求设计,以小型化封装、稳定的性能参数和成本优势,成为消费电子、工业控制、物联网等领域的常用选型。

一、产品核心定位与应用场景

该晶振属于SMD3225封装(3.2×2.5mm)无源晶振,基础频率12MHz,主要面向需要稳定时钟信号、且对成本敏感的批量应用场景:

  • 消费电子:智能手环、蓝牙/WiFi模块、小型智能家居设备;
  • 工业控制:小型PLC、传感器节点、电机驱动控制器;
  • 物联网:低功耗终端节点、网关模块;
  • 辅助类汽车电子:车载充电器、车载蓝牙适配器(非安全关键场景)。

其无源特性(无内部有源器件)决定了成本低于有源晶振,适合大规模贴片生产,同时满足常规环境下的时序稳定性要求。

二、关键性能参数解析

1. 频率与频差

基础频率为12MHz,常温(25℃)频差±10ppm,换算为实际频率偏移为±120Hz(12MHz×10×10⁻⁶=120Hz)。该指标能保证室温下时钟信号的精度,避免因频率偏差导致的通信误码、时序错位等问题,满足大多数常规电子设备的时钟需求。

2. 负载电容

标称负载电容为15pF,是无源晶振的通用匹配值。电路设计时需在晶振两端各并联一个15pF陶瓷电容到地,即可实现匹配,无需复杂参数计算,降低设计门槛。

3. 频率稳定度

全工作温度范围内的频率稳定度±30ppm,覆盖-40℃~+85℃区间。该指标反映温度变化对频率的影响,极端温度下最大偏移为±360Hz(12MHz×30×10⁻⁶=360Hz),能适应户外、车载等有温度波动的场景,满足工业级环境基本要求。

4. 等效串联电阻(ESR)

ESR标称值为100Ω,属于无源晶振中等水平。ESR直接影响振荡电路起振能力和稳定性:100Ω的ESR能与常见单片机内置振荡器、专用振荡电路良好匹配,保证容易起振,且振荡幅度稳定,避免功耗过高或起振失败。

5. 工作温度范围

工作温度覆盖**-40℃+85℃**,符合工业级温度标准(商业级一般为0℃70℃),可在低温(北方户外)、高温(夏季车内)环境下稳定工作,环境适应性优于普通商业级晶振。

三、封装与可靠性设计

该晶振采用SMD3225-4P封装(表面贴装4引脚),尺寸约3.2×2.5×0.8mm,具有以下优势:

  • 小型化:节省PCB空间,适合智能手环、传感器模块等小型化设备;
  • 自动化生产:4引脚贴片封装支持高速SMT贴装,生产效率高,适合批量制造;
  • 抗振动性:贴片焊点比插件更牢固,能承受一定机械振动,适合车载、手持设备;
  • 无源可靠性:无内部有源器件(如晶体管),寿命更长;SCTF对产品进行老化筛选,减少初期频率漂移,长期稳定性可靠。

四、选型优势与注意事项

选型优势

  1. 成本可控:无源晶振比有源晶振成本低30%~50%,适合中低端批量应用;
  2. 设计简单:15pF负载电容为通用值,电路匹配容易;
  3. 温度适应性:-40℃~+85℃覆盖大部分实际使用场景;
  4. 品牌保障:SCTF产品经RoHS认证,符合环保要求。

注意事项

  1. 无源晶振需外部匹配2个15pF负载电容,有源晶振无需此步骤;
  2. 若对频率精度要求极高(如高精度测量),需选±1ppm以下晶振,本产品不适用;
  3. 避免在超高低温(-55℃以下、+125℃以上)或强电磁干扰环境使用。

五、品牌背景与品质保障

星通时频(SCTF)是国内专注频率控制元器件的研发生产企业,产品覆盖无源/有源晶振、温补晶振(TCXO)等,广泛应用于通信、工业、消费电子领域。SX3B系列晶振经过严格出厂测试:

  • 频率测试:每颗常温频差≤±10ppm;
  • ESR测试:ESR≤100Ω;
  • 温度循环测试:-40℃~+85℃区间循环,确认频率稳定度符合±30ppm;
  • 老化筛选:出厂前24小时老化,减少初期漂移。

该产品符合RoHS 2.0标准,可用于出口产品,满足全球环保要求。

总结:SX3B12.000F1510F30是一款高性价比无源贴片晶振,以稳定性能、小型化封装和成本优势,成为常规电子设备时钟基准的常用选型,适合中低端批量应用场景。

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