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SCTF SX3M12.000M20F30TNN
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SCTF SX3M12.000M20F30TNN
- Type
- SCTF
- Minimum package
- 3000 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SCTF
- Electronic Component
- SX3M12.000M20F30TNN
- Electronic Component
- 1
- Package
- SMD3225-4P
- Electronic Component
- Active Crystal Oscillator
- Electronic Component
- 0.075g
- Frequency
- 12MHz
- Electronic Component
- 1
- Electronic Component
- BM0266107543
- 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.
SX3M12.000M20F30TNN有源晶振产品概述
一、产品定位与核心价值
SX3M12.000M20F30TNN是星通时频（SCTF） 推出的通用型CMOS有源晶振，针对工业控制、物联网终端、智能穿戴等场景设计，核心价值在于平衡精度、功耗、封装与成本——既满足主流设备的时钟需求，又适配空间受限、宽温环境等实际场景。
二、关键性能参数详解
参数项 规格值 实际意义与场景适配 标称频率 12MHz 覆盖8位/32位MCU（如STM32F1）、蓝牙模块等主流芯片的时钟输入 常温频差（25℃） ±20ppm 常温下频率偏差≤240Hz，满足常规数据传输/计算的精度要求 全温频率稳定度 ±30ppm -40℃~+85℃范围内频率漂移≤360Hz，适配户外/工业宽温环境 输出模式 CMOS 输出电平与Vcc/GND一致，无需电平转换，兼容90%以上数字电路 工作电压范围 1.62V~3.63V 适配低功耗设备（智能手环1.8V供电）到常规工业设备（3.3V） 典型工作电流 10mA 兼顾精度与功耗，适合电池供电的穿戴/物联网终端 工作温度范围 -40℃~+85℃ 工业级温区，满足车载、户外传感器等环境需求 封装形式 SMD3225-4P（4引脚） 3.2×2.5mm超小体积，支持设备小型化设计三、封装与焊接注意事项
SMD3225-4P是目前主流的小尺寸有源晶振封装，4引脚布局通常为：
- 1脚：Vcc（供电）；2脚：GND（接地）；3脚：OUT（时钟输出）；4脚：NC（空脚）
焊接需注意：
- 回流焊温度曲线：峰值温度≤245℃，持续时间≤10s（避免过热损坏内部振荡电路）；
- 贴装精度：需对齐焊盘，避免引脚桥接；
- 环保要求：采用无铅焊料，符合RoHS标准。
四、典型应用场景
该型号适配多个领域的实际需求：
- 智能穿戴：智能手环、手表——1.62V低电压适配电池供电，SMD3225封装支持轻薄设计；
- 工业传感器：温度/压力传感器——-40℃~+85℃宽温区满足户外/车间环境，稳定度保证数据采集准确性；
- 物联网终端：智能门锁、智能家居控制器——12MHz适配主流MCU，CMOS输出兼容WiFi/蓝牙模块；
- 车载电子：车载蓝牙、行车记录仪——宽温区适配车载环境（-40℃~+85℃），宽电压适应汽车电源波动。
五、可靠性与选型建议
（一）可靠性设计
- 抗振动：支持10g~2000Hz振动测试（参考SCTF datasheet），满足工业设备振动需求；
- 长期稳定性：老化测试后频率漂移≤±5ppm/年，适合长期运行的终端设备。
（二）选型匹配要点
- 若需更高精度（如±10ppm）：该型号不满足，需选择SCTF高精度系列；
- 若系统为5V供电：需通过LDO降压到3.3V左右（匹配电压范围）；
- 若空间更紧张：可考虑SMD2016封装（需确认同频率是否有对应型号）。
六、总结
SX3M12.000M20F30TNN是一款高性价比通用有源晶振，以12MHz常用频率、宽电压/宽温区、小封装为核心优势，覆盖工业、消费电子、物联网等多场景，是中小批量设备时钟设计的优选方案。
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