WMSIC Electronic Components

SCTF SX5A8.000F1210F30

ModelSX5A8.000F1210F30
PackageSMD5032-2P
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 SX5A8.000F1210F30
Type
SCTF
Minimum package
1000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SCTF
Electronic Component
SX5A8.000F1210F30
Electronic Component
1
Package
SMD5032-2P
Electronic Component
Passive Crystal Oscillator
Electronic Component
0.13g
Frequency
8MHz
Electronic Component
1
Electronic Component
BM0266107512
Operating Temperature
40℃~+85℃
Electronic Component
±10ppm
Crystal Oscillator Type
SMDCrystal Oscillator
Load Capacitor
12pF
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.

SX5A8.000F1210F30无源贴片晶振产品概述

SX5A8.000F1210F30是星通时频(SCTF) 推出的通用型无源贴片晶振,采用SMD5032-2P封装,以8MHz为核心频率,兼顾精度、稳定性与成本优势,适配消费电子、工业控制、物联网等多领域的时钟信号需求。

一、产品基本信息与型号解析

1. 品牌与定位

该晶振由国内专业时频器件厂商SCTF研发生产,属于通用高性能无源晶振,主打“小体积、宽温稳定、易集成”特性,适合中低端到中端电子设备的时钟基准需求。

2. 型号含义拆解

型号SX5A8.000F1210F30可清晰对应核心参数:

  • SX5A:通用贴片晶振系列标识;
  • 8.000:标称频率=8MHz;
  • F12:负载电容=12pF;
  • 10:常温频差=±10ppm;
  • F30:全温频率稳定度=±30ppm。

3. 封装与引脚

采用SMD5032-2P封装,尺寸为5.0mm×3.2mm×1.2mm(典型),2引脚贴片式设计,支持自动化SMT贴装,可直接集成到高密度PCB板中,节省布局空间。

二、核心性能参数深度解读

1. 频率精度与偏差

  • 常温频差±10ppm:在25℃环境下,频率偏差不超过8MHz×10×10⁻⁶=80Hz,满足MCU、蓝牙模块等数字电路的时钟精度要求;
  • 全温稳定度±30ppm:-40℃~+85℃范围内,频率波动控制在240Hz以内,避免温度漂移导致电路失步。

2. 负载电容与起振可靠性

负载电容为12pF,是无源晶振与外部振荡电路匹配的关键。设计时需将外部匹配电容(通常2个12pF并联)调整至该值,可保证晶振快速起振且稳定工作,避免匹配不当导致停振。

3. 等效串联电阻(ESR)

ESR为100Ω,属于同类产品较低水平。低ESR可降低晶振功耗,提升起振灵敏度——即使电源电压波动或负载变化,仍能保持稳定振荡,减少调试难度。

4. 工作温度范围

覆盖**-40℃~+85℃**,满足工业级(户外传感器、车载周边)和消费级(智能穿戴、智能家居)场景的温度需求,无需额外散热设计。

三、典型应用场景适配

SX5A8.000F1210F30的参数特性适配多类设备:

1. 消费电子领域

  • 智能穿戴:智能手表、手环的MCU时钟基准(低功耗+小体积);
  • 智能家居:WiFi模块、蓝牙网关的时钟信号(精度满足无线协议);
  • 便携设备:蓝牙耳机、MP3的晶振替换件(成本适中)。

2. 工业控制与物联网

  • 传感器节点:温湿度、气体传感器的时钟源(宽温稳定);
  • PLC模块:小型可编程控制器的辅助时钟(可靠性强);
  • LoRa网关:低功耗广域网模块的基准频率(精度匹配协议)。

3. 通信设备周边

  • BLE模块:蓝牙4.0及以上设备的时钟(±10ppm精度满足协议);
  • WiFi模块:2.4G/5G模块的辅助时钟(与主晶振配合提升稳定性)。

四、选型优势与注意事项

1. 核心优势

  • 高性价比:通用性能满足90%中低端设备需求,成本低于进口同类产品;
  • 宽温可靠:-40℃~+85℃全温稳定,无需额外降额设计;
  • 易集成:SMD5032小体积+2引脚,适合高密度PCB布局;
  • 匹配性好:12pF负载电容为行业常见值,外部电路设计简单。

2. 注意事项

  • 需严格匹配12pF负载电容(外部2×12pF并联),避免起振异常;
  • 无源晶振需配合MCU内置振荡器使用,不能直接驱动负载;
  • 焊接温度控制:回流焊峰值≤260℃,避免损坏石英晶体。

五、总结

SX5A8.000F1210F30是一款均衡型无源贴片晶振,以8MHz核心频率为基础,兼顾精度、稳定性与成本,适配多场景需求。其SMD5032封装易集成,宽温范围可靠,是中小批量电子设备时钟基准的优选方案。

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