WMSIC Electronic Components

Prisemi PESDNC2XD5VB

ModelPESDNC2XD5VB
PackageDFN0603-D
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 PESDNC2XD5VB
Type
PRISEMI
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PRISEMI
Electronic Component
PESDNC2XD5VB
Electronic Component
1
Package
DFN0603-D
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.008g
Electronic Component
1
Cj- Capacitor
10pF
Electronic Component
BM0257694768
Voltage
9.5V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
5.6V

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

PESDNC2XD5VB 产品概述

PESDNC2XD5VB 是芯导(Prisemi)推出的一款双向瞬态抑制二极管(ESD 二极管),采用超小型 DFN0603-D 封装,针对 5V 工作电压的信号线和接口提供高效的静电放电及快速瞬态脉冲保护。器件在保证低结电容的同时具备较高的峰值脉冲吸收能力,适合高速数据线和空间受限的消费、便携与工业设备使用场景。

一、核心参数与电气特性

  • 极性:双向(Bi‑directional),适合双向信号线或无方向性保护需求。
  • 额定反向工作电压(Vrwm):5 V,适用于 5 V 电平总线(如 USB、UART、I/O 口等)。
  • 击穿电压(Vbr):5.6 V(典型),在超过 Vrwm 时进入击穿导通以钳位瞬态电压。
  • 峰值脉冲电流(Ipp):5 A(单次峰值),能在短时脉冲事件中吸收大量能量。
  • 钳位电压(Vcl):9.5 V(典型,配合峰值脉冲电流测试条件),能将瞬态电压有效限制在安全范围内。
  • 反向漏电流(Ir):1 μA(典型),在正常工作电压下保持极低漏电,利于功耗敏感应用。
  • 结电容(Cj):约 10 pF(典型),对高速信号影响小,利于维持信号完整性。
  • 防护等级:符合 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)相关测试要求,具备抗静电放电和快速瞬态脉冲能力。
  • 封装:DFN0603-D(超小型、低寄生电感/电容,便于高密度 PCB 布局)。

二、主要功能与优势

  • 高效保护:在静电放电和开关噪声等瞬态事件发生时迅速钳位,保护敏感芯片免受过压损伤。
  • 双向保护:对往返方向的瞬态电压都能有效响应,适合双向信号线与差分通路。
  • 低寄生:小体积 DFN0603-D 封装和低结电容设计,减少对高速信号的干扰,保持数据完整性。
  • 低漏电:1 μA 的低反向电流降低系统静态功耗,适合电池供电或低功耗设计。
  • 兼容制造:适配常规无铅回流工艺,便于直接在 SMT 生产线上安装。

三、典型应用场景

  • USB、HDMI、MIPI、CSI 等高速接口及数据线保护。
  • 智能手机、平板、可穿戴设备等便携终端的外部接口保护。
  • 工业控制、楼宇自动化、仪器仪表等对抗干扰能力有要求的系统。
  • 通信设备、基站前端或用户终端的信号线与 I/O 保护。
  • 任何空间受限、需兼顾高速信号完整性与抗静电防护的小型化产品。

四、PCB 布局与使用建议

  • 靠近防护点放置:将 PESDNC2XD5VB 贴近需保护的连接器或信号入口处,最短走线以降低寄生感抗。
  • 接地处理:器件一侧应尽可能直接回到系统地(GND),如果有多层板,建议地通过近距离回流或地平面连接以提高吸收能量能力。
  • 最小化引线长度:减少走线环路面积以降低感应耦合与抑制 EMI。
  • 串联阻抗配合:在必要时与小阻值串联电阻或共模元件配合使用,可改善钳位效果和吸收分配。
  • 热管理:虽然瞬态器件主要承受短时能量,但在频繁脉冲环境下应注意周边散热与可靠性验证。

五、选型与注意事项

  • 电压匹配:PESDNC2XD5VB 适合以 5 V 为工作电压的应用,若系统常态电压显著高于 5 V,应选择更高 Vrwm 的抑制器件。
  • 信号带宽:结电容约 10 pF,适合多数高速接口;若目标为极高速差分接口(如多千兆速率)请评估对信号眼图的影响并考虑更低电容方案。
  • 耐久性验证:在最终产品中建议进行系统级的 ESD 与 EFT 实验验证,确认在实际连接器/线缆耦合条件下的保护效果。
  • 可靠性与温度范围:请参照厂商详细数据手册做温度与老化评估,生产过程中注意焊接曲线控制。

六、包装与获取

PESDNC2XD5VB 由 Prisemi(芯导)提供,采用 DFN0603-D 小型化封装,适合自动贴装生产。请通过官方渠道或授权分销商索取器件样片、完整数据手册(含典型电气特性曲线、封装尺寸与焊接建议)以及可靠性测试报告,以便于在项目中做充分评估与验证。

如需我为您的具体电路(例如 USB 接口或 I/O 端口)给出接线示意与布局草案,或根据 PCB 规格评估结电容对信号完整性的影响,我可以提供更详细的建议与计算。

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