WMSIC Electronic Components

Leiditech ESDBW5V0A1

ModelESDBW5V0A1
PackageDFN1006
BrandLeiditech
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
Leiditech ESDBW5V0A1
Type
LEIDITECH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LEIDITECH
Electronic Component
ESDBW5V0A1
Electronic Component
1
Package
DFN1006
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.005g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
60pF
Electronic Component
BM0229921453
Operating Temperature
55℃~+125℃
Voltage
12V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
100nA

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

ESDBW5V0A1 —— 单路5V级ESD保护器件概述

一、产品概述

ESDBW5V0A1是Leiditech(雷卯电子)推出的一款小封装、高能量吸收能力的单路ESD保护器件,封装形式为DFN1006。该器件针对5V工作电压等级的信号/电源线提供瞬态过压保护,能够通过多种工业电磁兼容(EMC)测试标准(IEC 61000-4-2、IEC 61000-4-4、IEC 61000-4-5),适用于对空间、性能及可靠性有要求的嵌入式与通信设备中。

二、主要性能特点

  • 反向截止电压(Vrwm):5V,适配5V电源与信号域。
  • 击穿电压(Vbr):7.2V,提供可靠的开通阈值以钳制过电压。
  • 钳位电压:典型12V(在8/20μs测试条件下),在高能脉冲时有效限制被保护节点电压。
  • 峰值脉冲功率(Ppp):360W @ 8/20μs,能吸收瞬态大能量冲击。
  • 反向漏电流(Ir):100nA,静态功耗低、对电路偏置影响小。
  • 结电容(Cj):60pF,适用于低速或电源/控制信号线,但对高速差分信号需慎重评估。
  • 单路(Single channel),工作温度范围:-55℃ ~ +125℃。

三、电气特性与系统影响

ESDBW5V0A1为单路浪涌/ESD钳位器件,Vrwm 5V意味着在正常5V系统工作下保持不导通,遇到大能量瞬态(如雷击浪涌或直击/感应ESD)时导通至接地,钳位电压约12V能有效限制过电压峰值。60pF的结电容对高频或高速数据线(如USB2.0/USB3.0、HDMI等)会产生信号完整性影响,建议用于电源线、控制线、低速串口或接口的保护;对高速差分信号应优先选择更低结电容的保护元件或在系统验证后再行采用。

四、封装与可靠性

DFN1006封装体积小,寄生电感较低,便于紧贴被保护引脚布局以降低回路阻抗,适合空间受限的移动设备、消费电子及工业控制板。器件通过IEC 61000-4-2(静电放电)、IEC 61000-4-4(电快速瞬变)及IEC 61000-4-5(浪涌)等级测试,满足常见EMC防护需求;典型工作温度范围-55℃至+125℃,适用于广泛工作环境。

五、典型应用场景

  • 5V电源线防护(例如单片机电源、USB电源子系统)
  • SIM卡/智能卡、电表等低速接口保护
  • 工业控制信号线、传感器接口防护
  • 消费电子与便携设备中需要节省PCB空间的防护设计

六、PCB布局与使用注意事项

  • 尽量将器件布置在靠近信号进入点或连接器端口的位置,缩短引线与回流路径以降低钳位电压。
  • 接地端应尽量直接连接到低阻抗接地平面,可通过多过孔(thermal/via)增强散热与回流能力。
  • 对高速接口,谨慎评估60pF结电容对信号完整性的影响;必要时选择低Cj器件或采用差分对专用方案。
  • 在高能量场景中注意器件的热散与反复冲击能力,必要时配合系列阻抗或多级保护结构以分摊能量。

七、选型建议

若目标线路为5V电源或低速/控制信号且电路板空间受限,ESDBW5V0A1以其360W @ 8/20μs的脉冲承受能力、低漏电和宽温度范围,是经济且可靠的选择。对高速数据线或对电容敏感的接口,应先在系统层面进行信号完整性与EMC仿真或样机验证,确保结电容不会引入超标的失真或带宽损失。

总结:ESDBW5V0A1(Leiditech,DFN1006)提供了一种体积小、能量吸收能力强且适配5V系统的单路ESD/浪涌保护方案,适合多数电源与低速信号防护需求,但在高速信号应用中需注意结电容带来的影响。

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