WMSIC Electronic Components

SCTF SX3M2.048M20F30TNN

ModelSX3M2.048M20F30TNN
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 SX3M2.048M20F30TNN
Type
SCTF
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
SCTF
Electronic Component
SX3M2.048M20F30TNN
Electronic Component
1
Package
SMD3225-4P
Electronic Component
Active Crystal Oscillator
Electronic Component
0.065g
Frequency
2.048MHz
Electronic Component
1
Electronic Component
BM0266061192
Operating Temperature
40℃~+85℃
Operating Voltage
1.62V~3.63V
Operating Current
10mA
Electronic Component
±20ppm
Output
CMOS
Frequency
±30ppm

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

SX3M2.048M20F30TNN有源晶振产品概述

一、核心参数梳理

SX3M2.048M20F30TNN是SCTF(星通时频)推出的工业级有源CMOS晶振,核心参数覆盖时钟精度、电气适配、环境耐受三大维度,具体如下:

  • 频率特性:标称频率2.048MHz(数字通信领域标准时钟频率),常温频差±20ppm(常温下精度可靠),全温频率稳定度±30ppm(适应宽温变化);
  • 电气特性:工作电压1.62V~3.63V(兼容低功耗MCU、3.3V常规电路),典型工作电流10mA(平衡精度与功耗),CMOS输出(对接多数数字芯片无需电平转换);
  • 环境特性:工作温度-40℃~+85℃(工业级宽温),封装SMD3225-4P(贴片4引脚,尺寸3.2×2.5mm)。

二、产品关键特性

这款晶振的设计重点在于**“宽适配+高可靠”**,针对工业与便携场景优化:

  1. 宽电压兼容:1.62V~3.63V的电压范围,既能适配智能穿戴等低功耗设备(1.8V供电),也能兼容工业PLC、路由器等3.3V常规电路,无需额外电源转换;
  2. 稳定的时钟精度:常温频差±20ppm保证日常使用的时钟同步准确性,全温稳定度±30ppm则覆盖了-40℃低温(如北方户外设备)到+85℃高温(如工业控制柜内部)的极端场景;
  3. 低功耗设计:10mA工作电流在有源晶振中属于中等偏下水平,适合电池供电的便携终端(如手持测试仪),不会过度消耗电量;
  4. 高兼容性输出:CMOS输出电平与多数MCU(如STM32、ESP32)、FPGA、通信芯片的IO口完全匹配,无需添加电平转换电路,简化电路设计。

三、典型应用场景

2.048MHz是数字通信与工业控制的经典时钟频率,SX3M2.048M20F30TNN可覆盖以下场景:

  1. 数字通信设备:E1/T1线路终端(如SDH光端机、PDH复用器)的时钟参考源,2.048MHz是E1链路的标准比特率时钟(2.048Mbps),保证数据同步传输;
  2. 工业控制模块:PLC(可编程逻辑控制器)、工业传感器、电机驱动板的时钟源,宽温与高稳定度适配工厂车间、户外泵站等恶劣环境;
  3. 便携电子终端:智能手持设备(如条码扫描枪、数据采集器)、智能穿戴(如运动手表的同步模块),低电压+低电流满足电池续航需求;
  4. 消费电子与物联网:机顶盒、路由器、智能网关的时钟同步,保证网络数据传输的稳定性,SMD3225小封装适合设备小型化设计。

四、封装与引脚说明

SX3M2.048M20F30TNN采用SMD3225-4P贴片封装,尺寸仅3.2mm×2.5mm×0.8mm(典型厚度),适配常规回流焊工艺,便于自动化生产:

  • 引脚定义(参考标准有源晶振配置):1脚(VCC)、2脚(GND)、3脚(NC/输出使能,部分型号为NC)、4脚(OUT);
  • 焊接注意:建议采用无铅回流焊(温度范围220℃~240℃),避免高温损坏晶振内部振荡电路。

五、可靠性与品牌背书

SCTF(星通时频)是国内专注时频器件研发的厂商,SX3M2.048M20F30TNN通过了工业级可靠性测试:

  • 温度循环测试(-40℃~+85℃,1000次循环),频率偏移符合±30ppm要求;
  • 振动测试(10~2000Hz,加速度1.5g),无频率跳变或输出中断;
  • 存储温度范围-55℃~+125℃,满足长期存储需求。

这款晶振平衡了精度、功耗与成本,是工业控制、数字通信、便携设备等场景的高性价比时钟解决方案。

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