WMSIC Electronic Components

Prisemi PESDMC2FD5VB

ModelPESDMC2FD5VB
PackageDFN1006
BrandPRISEMI
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
Prisemi PESDMC2FD5VB
Type
PRISEMI
Minimum package
10000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PRISEMI
Electronic Component
PESDMC2FD5VB
Electronic Component
1
Package
DFN1006
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.01g
Electronic Component
1
Cj- Capacitor
0.42pF
Electronic Component
BM0227760367
Voltage
11V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
1uA
Electronic Component
Electronic Component

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

PESDMC2FD5VB 产品概述

PESDMC2FD5VB 为 Prisemi(芯导)出品的一款双向静电与浪涌保护二极管(TVS/ESD),专为高速信号接口与脆弱电路提供瞬态电压抑制。器件采用小尺寸 DFN1006 封装,集成低电容与高能量吸收能力,适合移动设备、消费电子与工业接口防护。

一、主要参数概览

  • 型号:PESDMC2FD5VB(Prisemi)
  • 类型:双向 TVS / ESD 二极管
  • 钳位电压(Vc):11 V(典型)
  • 反向截止电压 Vrwm:5 V
  • 峰值脉冲功率 Ppp:40 W @ 8/20 μs
  • 峰值脉冲电流 Ipp:4.2 A
  • 反向电流 Ir:1 μA(典型,提升静态保护性能)
  • 结电容 Cj:0.42 pF(低电容适合高速信号)
  • 防护等级:符合 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)标准
  • 封装:DFN1006(小尺寸、便于贴片)

二、产品特点与优势

  • 低结电容(0.42 pF):对高速差分信号(如 USB、MIPI、LVDS)影响极小,保持信号完整性。
  • 双向保护:无需极性区分,适用于交流或差分数据线、双向通讯接口。
  • 高能量吸收(40 W @ 8/20 μs):可承受典型的人体放电与电涌事件,峰值电流达 4.2 A。
  • 低漏电流(1 μA):有利于低功耗与高阻抗电路的长期工作可靠性。
  • 小封装(DFN1006):节省 PCB 面积,利于移动终端与空间受限的应用。

三、典型应用场景

  • USB、HDMI、MIPI 等高速差分信号接口防护
  • 手机、平板与可穿戴终端的外部连接口
  • 工业控制器和通信设备的接口防护(满足 IEC ESD/EFT 要求)
  • 摄像头、传感器与高频模拟输入的浪涌保护

四、布局与使用建议

  • 器件应尽量靠近待保护的连接器或接口放置,缩短受保护节点到 TVS 的走线长度以降低感性串扰。
  • 对地回流路径应尽可能短且多过孔直通平面,提高瞬态能量的散逸能力。
  • 使用差分线保护时,将双向 TVS 直接跨接在两条差分线上;若保护单端信号,则按设计要求并联到地或对地结构。
  • 对于高密度板,建议在 TVS 附近配合地平面和过孔以改善热流与 EMI 性能。
  • 贴片回流工艺按 DFN 封装规范处理,注意湿度敏感等级与回流曲线以避免焊接应力损伤。

五、选型与可靠性提示

  • Vrwm = 5 V 适合保护 5 V 系统或低压差分信号线路;若被保护总线工作电压接近或高于 Vrwm,应选择更高 Vrwm 的器件。
  • 钳位电压 11 V 为典型动态钳位值,需确认在最大瞬态电流下被保护器件可承受该电压。
  • 在工业环境或需更高重复能量吸收能力时,评估并联多个 TVS 或选用更高 Ppp 级别的元件。

此器件以其小体积、低电容与符合 IEC 标准的防护性能,适合对信号完整性与抗扰度均有较高要求的应用场合。在实际设计中,请结合系统电压、最大容忍瞬态能量与 PCB 布局要求进行最终选型与可靠性验证。

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