WMSIC Electronic Components

BORN PESD5V2S2UT-N

ModelPESD5V2S2UT-N
PackageSOT-23
BrandBORN
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
BORN PESD5V2S2UT-N
Type
BORN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
PESD5V2S2UT-N
Electronic Component
1
Package
SOT-23
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.032g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
120pF
Electronic Component
BM0258713080
Voltage
16V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
7V

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

PESD5V2S2UT-N 产品概述

PESD5V2S2UT-N 是 BORN(伯恩半导体)推出的一款双路 TVS(瞬态抑制)二极管,采用 SOT-23 封装,专为 5V 电源线路和数据接口的静电放电(ESD)、快速瞬变(EFT)与浪涌(Surge)保护而设计。器件在小封装内集成双通道保护能力,具有高峰值脉冲承受能力和低漏电特性,适合消费电子、工控与通信等对体积、成本和可靠性有要求的场合。

一、主要参数速览

  • 名称/型号:PESD5V2S2UT-N
  • 品牌:BORN(伯恩半导体)
  • 封装:SOT-23(小型三引脚封装,便于 PCB 布局)
  • 通道数:双路(双通道保护)
  • 额定反向工作电压 (Vrwm):5 V
  • 击穿电压 (Vbr):约 7 V
  • 钳位电压 (Vclamp):16 V(在 8/20μs 测试条件下)
  • 峰值脉冲电流 (Ipp):20 A @ 8/20μs
  • 峰值脉冲功率 (Ppp):300 W @ 8/20μs
  • 反向漏电流 (Ir):1 μA(典型)
  • 结电容 (Cj):约 120 pF
  • 防护等级:符合 IEC 61000-4-2(静电放电)、IEC 61000-4-4(快速瞬变)、IEC 61000-4-5(浪涌)测试要求

二、特性与优势

  • 高能量吸收能力:在标准 8/20μs 浪涌波形条件下,器件能承受 20A 峰值脉冲电流与 300W 峰值脉冲功率,适合抵抗现场较强的瞬态冲击。
  • 低漏电、精确钳位:Vrwm 为 5V,可直接用于 5V 电源及接口线路;反向漏电小(1 μA),不会对系统静态功耗产生明显影响;16V 的钳位电压在大多数短时冲击场景下可有效限制电压上升,保护后级器件。
  • 双路集成、节省空间:SOT-23 封装内集成两路保护通道,节省 PCB 面积和 BOM 成本,适合小型化设计。
  • 符合多项工业级防护标准:通过 IEC 61000-4-2/4-4/4-5 测试,能提供对静电、脉冲与快速瞬变的综合防护。

三、应用场景

  • USB、串行总线、I/O 接口的 ESD 保护(5V 类接口)
  • 消费电子设备(智能手机配件、平板、摄像头模块等)的接口防护
  • 工业控制与仪表前端保护(对抗现场浪涌与瞬变干扰)
  • 智能家电与通讯设备的电源与信号线防护

四、布板与使用建议

  • 靠近受保护的引脚放置:为获得最佳防护效果,应将 TVS 器件尽量靠近需要保护的连接器/接口引脚放置,缩短走线长度以减小感应电感。
  • 单点接地与旁路:建议在 PCB 上设置短而粗的接地回路,必要时在接地处加大地铜面积并配合良好旁路措施,以保证冲击能量有效传导至地。
  • 电容对高速信号的影响:结电容约 120 pF,较大电容在高速差分或高频信号线上可能引入失真或带宽限制。若用于高速串行信号(USB3.0、PCIe 等),需评估电容影响;对一般的 USB2.0 / UART / I2C 等 5V 类接口通常可接受。
  • 串联限制元件:在对更严格浪涌或信号完整性有要求的场合,可考虑与小阻值串联电阻或滤波网络配合使用,以改善钳位表现与带宽兼容性。

五、典型接法(示意)

  • 电源/信号线到器件的输入端,器件另一端接地;双路可分别保护两条独立信号线,或用于双向保护。
  • 对于差分线,两个通道对应两根线并各自接地,必要时配合共模电感或滤波器提升抑制能力。

六、选型与注意事项

  • 若设计为 5V 系统且需要在紧凑封装内实现可靠瞬态防护,PESD5V2S2UT-N 是合适选择。
  • 若目标信号对带宽或时延敏感,请重点评估 120 pF 的结电容对信号的影响,必要时选用低电容型 TVS 器件。
  • 检查工作环境对浪涌/ESD 的等级要求,若需承受更高能量冲击,可能需要并联更大能量吸收器或使用更大功率的浪涌保护器。

七、封装与采购信息

  • 封装:SOT-23,便于自动贴片与回流焊接。
  • 品牌/型号:BORN(伯恩半导体) PESD5V2S2UT-N。
  • 采购时请关注批次、出厂测试报告及 RoHS/REACH 合规性证书,确保满足最终产品可靠性与法规要求。

PESD5V2S2UT-N 在小巧封装中平衡了能量吸收能力与漏电特性,适用于多数 5V 类接口的瞬态防护需求。设计时按上述布局和选型建议使用,可有效提升产品抗干扰与现场可靠性。

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