WMSIC Electronic Components

ElecSuper PESD3V3V1BL-ES PESD3V3V1BL

ModelPESD3V3V1BL-ES
PackageDFN1006-2L
BrandElec Super
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
Elec Super PESD3V3V1BL-ES
Type
ELECSUPER
Minimum package
10000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ELECSUPER
Electronic Component
PESD3V3V1BL-ES
Electronic Component
1
Package
DFN1006-2L
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.011g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
15pF
Electronic Component
BM0228788622
Voltage
10V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA

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

PESD3V3V1BL-ES 产品概述

一、产品简介

PESD3V3V1BL-ES 是 ElecSuper(静芯微) 推出的单路双向 ESD 保护器件,专为 3.3V 系统的数据/信号线提供高效静电放电保护。器件采用小型 DFN1006-2L 封装,集成低漏电、高耐冲击能力和中等结电容的设计,适合移动设备、通信与工业控制等场景对单端信号线的防护需求。

二、主要性能特点

  • 双向保护,适用于双向数据线或可能出现正/负极性瞬态的接口。
  • 反向截止电压(Vrwm):3.3V,配合 3.3V 供电系统无需额外偏置。
  • 击穿电压(Vbr):3.7V,确保在过压瞬态时快速进入钳位状态。
  • 钳位电压:10V(峰值),在脉冲冲击下有效限制被保护节点电压。
  • 峰值脉冲电流 Ipp:6A,峰值脉冲功率 Ppp:80W,能承受常见静电及脉冲冲击能量。
  • 漏电流 Ir:1 µA(典型),保证对低功耗系统影响最小。
  • 结电容 Cj:15 pF,适用于多数低速至中速数字接口。
  • 满足 IEC 61000-4-2 抗静电标准,可靠性可满足工业级防护需求。

三、电气参数概述

  • 工作电压:Vrwm = 3.3V
  • 击穿/导通:Vbr ≈ 3.7V,钳位 ≈ 10V(在额定冲击条件下)
  • 漏电流:Ir ≤ 1 µA(在 Vrwm 条件下)
  • 结电容:Cj = 15 pF(影响信号完整性,应在设计时考虑)
  • 冲击能力:Ipp = 6A,Ppp = 80W(峰值),适合常见静电放电和浪涌事件

注:以上脉冲能力为器件在典型测试条件下性能指标,实际使用中应参考厂商详细数据手册及脉冲波形说明。

四、典型应用场景

  • 3.3V 系统的 GPIO、UART、I2C、SPI 等信号线保护(中低速数字接口)
  • 移动终端、物联网模组、传感器接口与工业控制端口的外部引脚防护
  • 需要符合 IEC 61000-4-2 抗静电要求的电子产品设计中单通道保护方案

五、封装与 PCB 布局建议

  • 封装:DFN1006-2L,适合高密度 PCB 设计与自动化贴装。
  • 布局建议:将器件尽量靠近被保护引脚放置,输入/受保护端至器件的走线保持最短和最直,地线采取低阻抗、低感性回流路径(建议铺铜或短地平面过孔)。
  • 注意事项:结电容 15 pF 在高速信号线上会影响上升沿与带宽,若用于超高速接口(如 USB 高速/超高速)应谨慎选型或选择低容型 TVS 器件。

六、可靠性与合规性

PESD3V3V1BL-ES 按 IEC 61000-4-2 规范设计,可实现接触放电与空气放电级别的静电防护(具体等级请参见厂商测试报告)。器件适合工业与民用环境的常见静电及瞬态干扰防护需求。

七、选型建议与注意事项

  • 若保护对象为 3.3V 数字接口且对信号完整性要求为中低速,PESD3V3V1BL-ES 为简洁且成本效益高的选择。
  • 对于要求极低电容的高速接口(例如高速 USB、PCIe 等),建议选择结电容更低的专用高速 TVS。
  • 在可能出现频繁大能量浪涌的环境中,请结合系统浪涌防护设计(如串联电感、熔断器或级联 TVS)以延长器件寿命。

八、总结

PESD3V3V1BL-ES 是一款针对 3.3V 单通道应用优化的双向 ESD 保护器件,具备低漏电、高抗冲击能力和便于 PCB 布局的小型封装,适用于绝大多数需要 IEC 61000-4-2 级别静电防护的中低速数字接口场景。选择与布局正确,可在不显著影响信号性能的前提下,显著提升系统抗干扰与可靠性。若需详细电气特性曲线与波形测试数据,请参考厂商完整 datasheet。

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