WMSIC Electronic Components

UMW SMF6.0CA

ModelSMF6.0CA
PackageSOD-123FL
BrandUMW
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
UMW SMF6.0CA
Type
UMW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
SMF6.0CA
Electronic Component
1
Package
SOD-123FL
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.037g
Electronic Component
1
Electronic Component
BM0228055369
Voltage
10.3V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
400uA
Voltage(VBR)
6.67V
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.

SMF6.0CA — 双向瞬态抑制二极管(TVS/ESD)产品概述

一、产品简介

SMF6.0CA(UMW/友台半导体)是一款双向TVS瞬态抑制二极管,封装为SOD-123FL,专用于静电放电(ESD)与浪涌(Surge)保护。器件针对低电压工作点设计,额定反向工作电压(Vrwm)为6V,可在受电脉冲时提供高效钳位,保护敏感电子线路免受电压瞬变损坏。

二、主要特性

  • 极性:双向(适合双向信号线或交流/差分接口保护)
  • 反向工作电压(Vrwm):6.0 V
  • 击穿电压(Vbr):6.67 V(典型)
  • 钳位电压(Vcl):10.3 V(在峰值脉冲电流条件下)
  • 峰值脉冲电流(Ipp):19.4 A
  • 峰值脉冲功率(Ppp):200 W(10/1000 μs 浪涌波形)
  • 反向漏电流(Ir):400 μA(Vrwm 条件下)
  • 防护等级/标准:符合 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)
  • 封装:SOD-123FL(小尺寸、适合自动化贴装)

三、典型应用

  • USB、HDMI、LVDS、差分信号线及其他 5 V/±6 V 等低压接口的端口保护
  • 工业控制总线(如 RS-485、CAN)与通信模块防护
  • 消费类电子、机顶盒、监控设备、通讯设备等对瞬态耐受性要求较高的场景
  • PCB 接口旁(靠近连接器/引脚)做一级防护,配合一级滤波/限流元件构成完整保护方案

四、封装与安装建议

  • 封装为 SOD-123FL,适合空间受限电路板和高密度贴装。
  • 推荐将器件放置在被保护引脚与地线之间的最短路径处,以减小回路电感并提高钳位效率。
  • 焊接工艺建议遵循 IPC/JEDEC 标准回流曲线;避免长时间超过 260°C 峰值温度。
  • 为降低热应力,若可能在 PCB 设计中提供适量铜箔散热并避免紧邻热源器件。

五、使用与设计注意事项

  • 由于为双向器件,正负瞬态会被对称钳位,适合差分或双向信号线,但不建议用于需要单向隔离的场合。
  • 反向漏电(400 μA)在一些超低功耗或高阻抗测量电路中可能影响性能,必要时考虑并联高阻隔离或选择漏电更低的方案。
  • 钳位电压 10.3 V 是在规定脉冲条件下测得的典型值,实际系统中钳位效果受连接电感、回路布局和串联阻抗影响,应在典型应用环境下验证。
  • 峰值脉冲功率 200 W(10/1000 μs)表明本型号对浪涌有良好吸收能力,但频繁大能量冲击会降低器件寿命,系统设计应兼顾热耗散与二次防护。

六、选型建议与可靠性

  • 适合用于保护 5 V 或 ±6 V 级别的接口以及需要双向保护的差分总线。
  • 对于更高电压或更低漏电的应用,请在选型时参考厂方完整数据手册并进行现场脉冲测试。
  • 本器件符合 IEC61000-4-2/4-4 等行业抗扰度标准,适合商业与工业环境下的静电与脉冲抗扰设计。

如需更详细的电气特性曲线、典型浪涌响应波形或封装尺寸与推荐焊盘资料,建议参考 UMW 官方数据手册或联系厂商技术支持以获得完整设计资料。

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