WMSIC Electronic Components

SCTF SX3M49.152B10F20TNN

ModelSX3M49.152B10F20TNN
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 SX3M49.152B10F20TNN
Type
SCTF
Minimum package
3000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SCTF
Electronic Component
SX3M49.152B10F20TNN
Electronic Component
1
Package
SMD3225-4P
Electronic Component
Active Crystal Oscillator
Electronic Component
0.07g
Frequency
49.152MHz
Electronic Component
1
Electronic Component
BM0266061177
Operating Temperature
40℃~+85℃
Operating Voltage
3.3V
Operating Current
20mA
Electronic Component
±10ppm
Output
CMOS
Frequency
±20ppm

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SX3M49.152B10F20TNN 有源晶振产品概述

一、产品定位与品牌依托

SX3M49.152B10F20TNN是星通时频(SCTF) 推出的工业级CMOS有源晶振,核心面向需要精准时钟基准的电子系统,兼顾小型化、低功耗与宽温可靠性,适用于工业控制、通信终端、消费电子等多领域。SCTF作为专注时频器件研发与制造的厂商,其产品在稳定性、一致性上经过多年市场验证,为该型号提供了可靠的品质背书。

二、核心技术参数解析

该型号的参数设计精准匹配主流电子系统的时钟需求,关键指标如下:

2.1 频率与精度特性

  • 标称频率:49.152MHz,属于工业与通信领域的常用标准频率(如19.2MHz的2.56倍,可通过简单分频适配RS485、以太网等协议的时钟需求);
  • 常温频差:±10ppm,在25℃环境下可提供较高的初始精度;
  • 温度频率稳定度:±20ppm(工作温度范围-40℃~+85℃),覆盖工业级环境温宽,有效降低温度变化对时钟信号的影响。

2.2 电气与输出特性

  • 供电要求:3.3V单电源供电,适配多数MCU、FPGA等数字芯片的电源规范,无需额外电平转换;
  • 工作电流:20mA(典型值),功耗适中,既保证输出信号强度,又兼顾低功耗设计(适合电池供电或对功耗敏感的设备);
  • 输出模式:CMOS输出,驱动能力强(可直接驱动多个数字负载),兼容性好,无需匹配外部负载电容(有源晶振内置振荡电路)。

2.3 封装与可靠性

  • 封装形式:SMD3225-4P(3.2mm×2.5mm贴片封装,4引脚),属于小型化封装,可有效节省PCB布局空间,适合紧凑型产品设计;
  • 工作温度范围:-40℃~+85℃,满足工业级环境要求,可在高低温、湿度变化较大的场景下稳定工作;
  • 焊接可靠性:SMD封装兼容回流焊工艺,焊盘设计符合IPC标准,降低焊接不良率。

三、典型应用场景

SX3M49.152B10F20TNN的参数特性使其在多领域具有广泛适用性:

3.1 工业控制领域

  • 可编程逻辑控制器(PLC)、伺服驱动器、变频器等设备,需要稳定的时钟信号保证控制指令的同步性与精准性;
  • 工业传感器节点,需精准时钟实现数据采集与传输的时间同步。

3.2 通信终端领域

  • 路由器、交换机、物联网网关等网络设备,49.152MHz可适配以太网PHY芯片的时钟需求,保证数据传输的稳定性;
  • 无线通信模块(如LoRa、NB-IoT),用于射频信号的频率基准参考。

3.3 消费电子与车载领域

  • 智能家电(如智能冰箱、洗衣机)的主控芯片时钟,满足低功耗与小型化要求;
  • 车载电子(如车载导航、ADAS辅助驾驶系统),宽温特性适配车载环境的温度变化。

3.4 测试测量仪器

  • 示波器、信号发生器、频谱分析仪等仪器,需要精准的时钟基准保证测量精度。

四、产品核心优势

对比同类型无源晶振或其他品牌有源晶振,该型号具备以下优势:

  1. 无需外部匹配元件:有源晶振内置振荡电路与负载电容,无需用户额外设计匹配电容,简化PCB电路设计,降低研发成本;
  2. 宽温高精度:-40℃~+85℃范围内频差仅±20ppm,远优于多数无源晶振的温稳表现,适合恶劣环境;
  3. 高兼容性输出:CMOS输出可直接驱动主流数字芯片,无需电平转换电路,提升系统集成度;
  4. 小型化设计:SMD3225封装体积小,适合便携式设备与高密度PCB布局;
  5. 可靠品质保障:SCTF的生产工艺与测试标准严格,产品一致性好,可降低批量生产中的不良率。

五、选型与使用注意事项

为确保产品性能稳定,选型与使用需注意以下几点:

  1. 频率匹配:确认系统所需时钟频率为49.152MHz,或可通过分频器(如1/2、1/4分频)适配其他频率需求;
  2. 电源稳定性:供电电压需控制在3.3V±5%(3.135V~3.465V)范围内,避免过压或欠压导致性能异常;
  3. 封装焊接:采用回流焊工艺时,需遵循SCTF提供的焊接温度曲线,避免高温损坏晶振;
  4. 负载匹配:CMOS输出的负载电容无需额外配置,但需确保输出端负载不超过晶振的最大驱动能力(一般可驱动15pF左右负载)。

总结

SX3M49.152B10F20TNN作为星通时频的工业级有源晶振,以精准的频率精度、宽温可靠性、小型化封装与高兼容性为核心优势,可满足工业控制、通信、消费电子等多领域的时钟基准需求。其内置振荡电路的设计简化了系统集成,适合对时钟稳定性与空间要求较高的电子设备,是替代无源晶振或低性能有源晶振的优质选择。

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