WMSIC Electronic Components

WILLSEMI ESD56201D04-2/TR ESD56201D04

ModelESD56201D04-2/TR
PackageDFN1610-2L
BrandWILLSEMI
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
WILLSEMI ESD56201D04-2 / TR
Type
WILLSEMI
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WILLSEMI
Electronic Component
ESD56201D04-2/TR
Electronic Component
1
Package
DFN1610-2L
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.011g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
1.1nF
Electronic Component
BM0229933487
Operating Temperature
40℃~+85℃
Voltage
12V
Electronic Component
IEC 61000-4-5;IEC 61000-4-2

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

ESD56201D04-2/TR 产品概述

一、产品简介

ESD56201D04-2/TR 是 WILLSEMI(韦尔)推出的单路、单向瞬态电压抑制器(TVS),用于对静电放电(ESD)和浪涌(Surge)瞬态进行硬件级保护。器件采用小型 DFN1610-2L 封装,针对汽车电子、消费电子和工业控制中对电源或信号线的过压防护需求设计。其符合 IEC 61000-4-2(ESD)和 IEC 61000-4-5(浪涌)等标准,适合在受干扰环境中提供可靠保护。

二、主要参数一览

  • 类型:TVS(单向)
  • 通道数:单路
  • 极性:单向
  • 反向截止电压(Vrwm):4.85 V
  • 击穿电压(Vbr):5.7 V
  • 钳位电压(Vc):12 V(在 8/20 μs、Ipp = 120 A 条件)
  • 峰值脉冲电流(Ipp):120 A @ 8/20 μs
  • 反向漏电流(Ir):5 μA
  • 结电容(Cj):1100 pF
  • 工作温度:-40 ℃ ~ +85 ℃
  • 防护等级/标准:IEC 61000-4-5、IEC 61000-4-2
  • 封装:DFN1610-2L
  • 型号/品牌:ESD56201D04-2/TR,WILLSEMI(韦尔)

三、关键特性与优势

  • 高脉冲能量吸收能力:在标准 8/20 μs 浪涌波形下能承受 120 A 峰值脉冲,适合电源输入或接口的浪涌防护。
  • 低工作电压与紧凑击穿特性:Vrwm 4.85 V 与 Vbr 5.7 V 的设定适合 5 V 及以下电源轨保护,在正常工作下不会影响系统供电。
  • 低漏电流:最大仅 5 μA,有利于低功耗系统和待机设计。
  • 小尺寸封装:DFN1610-2L 体积小、安装高度低,利于空间受限的应用。
  • 标准合规:满足 IEC 61000 系列抗扰度要求,便于通过整体 EMC 认证。

四、适用场景与应用建议

  • 5 V 电源轨保护:适用于 USB、外围电源、开关电源输出等需要 5 V 防护的场合。
  • 接口与连接器防护:用于板端或接口附近,保护外界干扰(例如连接器受雷击、电源反向、短时浪涌等)。
  • 工业与消费类设备的局部防护:如控制板、电源模块、充电器输出等。 注意:结电容较大(1100 pF),不适合对高速、高完整性差分或单端数据线(USB3.0、HDMI、千兆以太网等)进行直接保护,会显著影响信号完整性。更适合电源线或低速信号线。

五、设计与布局要点

  • 尽量将 TVS 器件放置在被保护端口或电源引入点附近,靠近连接器和 PCB 边缘,以缩短信号/电流到 TVS 的走线长度,降低回路电感。
  • 形成低阻抗接地:DFN 的露铜焊盘应焊接至 PCB 地平面或专用地带,通过多颗地孔(via)进行良好热/电导连接,以便快速泄放瞬态能量。
  • 对于敏感信号,避免直接并联 1100 pF 的大电容;若必须保护,请在 TVS 前加小阻抗或使用低容抗的保护器件。
  • 留意 Vrwm 与系统工作电压的匹配:Vrwm(4.85 V)应高于系统正常最大工作电压(含纹波),避免误触发;同时考虑到 Vbr(5.7 V)与钳位 12 V 的配合,评估被保护器件对短时高压的耐受性。
  • 热管理:在高能量冲击下器件会产生热量,足够的 PCB 铜箔和地平面可帮助散热,避免重复大能量冲击导致器件失效。

六、选择与替代考虑

  • 若需要保护高速数据线,应选择结电容远小于 1100 pF 的低容 TVS(或使用差分保护、共模滤波等方案)。
  • 若系统工作电压高于 5 V,应选择更高 Vrwm 的型号以避免在正常工作时触发。
  • 对于双向信号(例如某些通信总线、AC 线路),选择双向 TVS 或专用双向器件更合适;ESD56201D04-2/TR 是单向类型,适用于偏正/偏负明确的直流线路防护。

七、可靠性与合规性

器件设计满足 IEC 61000-4-2(静电放电)和 IEC 61000-4-5(浪涌)相关要求,适合通过整机的抗扰度测试。器件工作温度范围覆盖工业级(-40 ℃ 至 +85 ℃),适用于大多数工业与消费级应用。实际项目中应做板级和系统级 EMC 验证,确认在真实扰动下系统能稳定运行。

八、封装与机械特性

DFN1610-2L 小型扁平封装利于表面贴装。焊盘设计应参考厂商推荐焊盘图,良好的焊接与热解散布对可靠性和脉冲能量承受能力有直接影响。封装体积小便于在空间受限的终端设备中部署。

九、结语与建议

ESD56201D04-2/TR 是面向 5 V 及以下电源轨和低速接口的高能量单向 TVS,适合需要高脉冲吸收能力且对漏电流敏感的应用。在使用时重点关注结电容对信号完整性的影响、Vrwm 与系统电压的匹配以及 PCB 接地与热散布设计,能够获得最佳的抗浪涌与抗静电性能。如需在高速数据线或更高工作电压场景下保护,请考虑选型更合适的 TVS 或配合其他滤波器件共同设计保护方案。

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