WMSIC Electronic Components

Jingdao Microelectronics SMF16CA

ModelSMF16CA
PackageSOD-123FL
BrandElectronic
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
Electronic SMF16CA
Type
Jingdao Microelectronics
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
SMF16CA
Electronic Component
1
Package
SOD-123FL
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0227663763
Voltage
26V
Current(Ir)
1uA
Voltage(VBR)
19.7V
Electronic Component
Electronic Component
Electronic Component
3000

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

SMF16CA(SOD-123FL)产品概述

一、产品简介

SMF16CA 是晶导微电子推出的一款双向瞬态电压抑制二极管(TVS),封装为 SOD-123FL,专用于保护对称交流或双向脉冲环境中的敏感电子元件免受浪涌与浪费电压冲击。器件体积小、响应速度快、对瞬态浪涌具有良好的吸收能力,适合工业控制、电源接口以及通信端口等场景使用。

二、主要参数

  • 钳位电压(Vc):26V(典型值)
  • 击穿电压(Vbr):19.7V
  • 反向截止电压(Vrwm):16V
  • 峰值脉冲功率(Ppp):200W(1ms×10ms 波形 10/1000µs)
  • 峰值脉冲电流(Ipp):7.7A(10/1000µs)
  • 反向电流(Ir):1µA(常温、小偏压条件)
  • 极性:双向(Bidirectional)
  • 类型:TVS 二极管
  • 封装:SOD-123FL
  • 品牌:晶导微电子(SMF16CA)

三、主要特点与优势

  • 双向保护:可同时抑制正负极性瞬态电压,适用于交流信号线或对称电源保护。
  • 高峰值吸收能力:200W 的脉冲吸收能力应对常见雷击浪涌与开关瞬变有余地。
  • 低漏电流:1µA 的反向电流有利于低功耗系统及精密模拟电路的静态特性维护。
  • 小型封装:SOD-123FL 便于在空间受限的 PCB 上布局,具有良好的可焊接性与自动装配兼容性。
  • 响应迅速:典型 TVS 响应时间可在纳秒级完成钳位,保护效果即时显著。

四、典型应用场景

  • 工业控制接口、继电器驱动端口的浪涌保护。
  • 通信设备的串口、差分信号线保护(例如 RS-485、CAN 总线备选)。
  • 汽车电子的辅助电路与传感器信号线(需验证温度与符合性要求)。
  • 电源输入端、接口板卡和消费电子设备的瞬态抑制。

五、使用建议与注意事项

  • 布局:TVS 应尽量靠近需保护的接口或器件放置,走线尽量短且粗,减小串联电感。
  • 极性:器件为双向结构,无需区分正负向焊接方向,但在封装标识处遵循资料标注以保证一致性。
  • 热管理:在持续或重复脉冲条件下注意功率耗散与 PCB 散热,必要时搭配铜箔散热或隔离组件以避免过热。
  • 限流元件:对于重复或严重浪涌环境,可在前端配合保险丝、PTC 或限流电阻以提高整机可靠性。
  • 焊接工艺:遵循 SOD-123FL 封装的回流温度规范,避免长时间高温暴露导致封装或晶粒损伤。

六、封装与可靠性

SOD-123FL 提供良好的机械与焊接稳定性,适用于自动贴片与回流焊流程。出货前通常经过静电放电、浪涌和环境应力筛选(具体可靠性参数请参考厂商检验报告),确保长期工作稳定性。

七、选型与替代考虑

若系统允许更高钳位或需要更强吸收能力,可考虑更高功率等级的 TVS;若需更低钳位或更低泄漏电流,可选用单向型或不同 Vrwm 等级的型号。选型时应综合考虑工作电压、最大允许钳位、电路容忍能力与浪涌工况。

总结:SMF16CA(SOD-123FL)以其双向保护、高脉冲吸收能力和小型封装,适合多种需要对称瞬态抑制的应用场景。具体设计中请结合实际浪涌测试与 PCB 热管理策略,确保器件在使用条件下的长期可靠性。若需完整数据手册或焊接温度曲线,可向晶导微电子索取详细资料以便验证。

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