WMSIC Electronic Components

UMW ESDA6V1L

ModelESDA6V1L
PackageSOT-23
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UMW ESDA6V1L
Type
UMW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
ESDA6V1L
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.033g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
120pF
Electronic Component
BM0230669158
Voltage
16V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
500nA

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

ESDA6V1L 产品概述

一、产品简介

ESDA6V1L 是 UMW(友台半导体)推出的一款双路双向瞬态抑制器(ESD TVS),封装为 SOT-23。针对工业与消费电子中常见的静电、浪涌与电快速瞬变干扰提供高效保护,适用于低压(Vrwm = 5V)系统的两路信号或电源线防护。器件集成度高、体积小、便于贴装,是空间受限场合的理想选择。

二、主要电气参数(概要)

  • 钳位电压(Vc):16V(在规定脉冲条件下)
  • 击穿电压(Vbr):7V
  • 反向工作电压(Vrwm):5V
  • 峰值脉冲功率(Ppp):300W(8/20µs 波形)
  • 峰值脉冲电流(Ipp):20A(8/20µs)
  • 结电容(Cj):约 120pF
  • 反向漏电流(Ir):约 500nA
  • 通道数:双路(两路独立)
  • 极性:双向(可对正负极方向的瞬态进行钳位)
  • 封装:SOT-23
  • 防护等级:符合 IEC 61000-4-2 / 4-4 / 4-5 标准

三、产品特点

  • 高瞬态能量吸收能力:在常见的 8/20µs 浪涌条件下可承受高达 300W 的峰值功率,配合 20A 峰值电流,能够有效钳制高能脉冲,保护后端电路不被破坏。
  • 双路双向配置:单芯片同时保护两路线路,且支持双向钳位,适合对称信号线或两路独立信号的防护,节省 PCB 空间与成本。
  • 低漏电流:反向漏电流仅约 500nA,适用于对静态功耗敏感的便携设备及低功耗系统。
  • 中等结电容:约 120pF 的结电容在抑制高频干扰方面有效,但对高速差分信号(如 USB Hi-Speed、USB3.0 或高速差分线)可能影响信号完整性,应在选型时评估兼容性。
  • 小型封装:SOT-23 封装利于自动化贴装,适合密集布局。

四、典型应用场景

  • 5V 工况的接口保护:GPIO、UART、I2C、SPI 等低速数字接口。
  • 电源与信号输入接口保护:便携设备的充电口与控制线(注意电压/电容匹配)。
  • 工业控制与楼宇自动化:防护来自外部的静电与浪涌干扰,提升系统可靠性。
  • 通信与传感器接口:对低速传感器线缆提供浪涌与静电防护(注意结电容对传感器精度的影响)。

五、PCB 布局与使用建议

  • 尽量将 ESDA6V1L 紧邻被保护的连接器或外部接口放置,缩短受保护节点到 TVS 的走线长度,以减少寄生电感。
  • 地端尽可能采用多引脚过孔与接地平面直接连通,降低回流路径阻抗与环路面积。
  • 对于高能脉冲,保证焊盘与铜箔面积有利于热量扩散;在需要时采用热沉或更大的接地区。
  • 若被保护信号为高速差分线,建议先评估 120pF 的结电容带来的带宽衰减;必要时选择低电容 TVS 或将保护器置于非关键高速路径。
  • 在可能的情况下,配合串联阻抗(电阻或共模扼流圈)以改善抗冲击能力与信号完整性。

六、符合标准与可靠性

ESDA6V1L 符合 IEC 61000-4-2(ESD)、IEC 61000-4-4(EFT)与 IEC 61000-4-5(浪涌)相关要求,能在常见的工业与消费类电磁兼容事件中提供有效防护。器件的低漏电及稳定的击穿/钳位特性有助于长期可靠性,但在设计时应遵循器件的热与过流限制,避免在超出规格的脉冲能量下长时间工作。

七、封装与选型注意事项

  • 封装:SOT-23,便于 SMT 自动化生产;适合空间受限的终端产品。
  • 选型要点:确认系统工作电压(Vrwm = 5V)与被保护信号的工作频率/速率,若系统包含高速差分信号,应考虑结电容对带宽的影响;若需更低钳位电压或更低结电容,可比较其它型号或采用单向器件(视系统极性需求)。
  • 品牌:UMW(友台半导体),提供成熟的工业级 TVS 解决方案。

总结:ESDA6V1L 以其双路双向、SOT-23 小封装和良好的浪涌吸收能力,适合用于 5V 及以下低压系统的通用接口防护。选用时需综合考虑结电容对信号完整性的影响与系统的能量承受要求,以确保最佳保护效果与性能匹配。

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