WMSIC Electronic Components

Leiditech(雷卯电子) PESDU0521P1

ModelPESDU0521P1
PackageDFN1006-2
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

13 specifications

Core information

Product name
Leiditech PESDU0521P1
Type
LEIDITECH
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LEIDITECH
Electronic Component
PESDU0521P1
Electronic Component
1
Package
DFN1006-2
Electronic Component
0.005g
Electronic Component
1
Electronic Component
BM0265793040
Electronic Component
Electronic Component
Electronic Component
10000

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

Leiditech PESDU0521P1 ESD防护器件产品概述

Leiditech(雷卯电子)推出的PESDU0521P1是一款专为低电压敏感电路设计的ESD防护器件,集成瞬态电压抑制(TVS)功能,可有效应对静电放电(ESD)和浪涌冲击,满足多类电子设备的电磁兼容需求。以下从核心定位、参数、封装、标准、场景、优势等方面展开详细概述。

一、核心身份与应用定位

PESDU0521P1属于低电压ESD防护二极管,聚焦5V级敏感电路的过压保护,解决电子设备中常见的静电干扰、浪涌损坏问题。其设计目标是在不影响电路正常工作的前提下,为接口、信号线路等关键部位提供可靠防护,适配对体积、功耗、信号完整性要求较高的场景。

二、关键电气参数解析

该器件的核心参数围绕“低功耗、低电容、可靠防护”设计,关键参数及意义如下:

  1. 反向截止电压(Vrwm):5V
    正常工作时反向截止,无额外功耗损耗,适配5V供电电路;
  2. 击穿电压(Vbr):6V
    电压超过截止电压后触发导通,避免电压持续上升;
  3. 钳位电压(Vc):12.5V
    浪涌/ESD冲击时将电压钳位在12.5V以内,远低于后端电路损坏阈值;
  4. 峰值脉冲功率(Ppp):80W@8/20μs
    可承受8/20μs波形的80W峰值脉冲,应对典型浪涌场景;
  5. 反向漏电流(Ir):500nA
    漏电流极小,不影响电路静态功耗和信号完整性;
  6. 结电容(Cj):15pF
    低电容兼容高速信号(如USB 2.0/3.0、HDMI),避免信号反射/衰减;
  7. 工作温度:-55℃~+125℃
    宽温设计覆盖工业、车载等极端环境,适配多数设备使用场景。

三、封装与可靠性设计

PESDU0521P1采用DFN1006封装,尺寸仅1.0mm×0.6mm×0.5mm(典型值),属于超小型封装,适配高密度PCB布局(如智能手机、可穿戴设备的窄间距接口)。DFN封装优势:

  • 散热优异:无引脚设计减少热阻,提升功率承载能力;
  • 寄生参数低:短引脚降低电感/电容干扰,优化信号传输;
  • 贴装可靠:符合SMT回流焊工艺,自动化生产减少虚焊风险。

四、兼容标准与防护能力

该器件兼容两项核心电磁兼容标准:

  1. IEC 61000-4-2(ESD标准):应对人体静电放电(接触/空气放电),避免设备损坏;
  2. IEC 61000-4-5(浪涌标准):承受典型浪涌冲击(电源/信号端口),提升抗干扰能力。
    双标准兼容无需额外搭配防护器件,简化电路设计、降低成本。

五、适用场景举例

PESDU0521P1适配多类电子设备的关键防护部位:

  • 消费电子:智能手机、平板、智能手表的USB Type-C、音频接口防护;
  • 通信设备:路由器、WiFi/蓝牙模块的信号端口防护;
  • 工业控制:小型传感器、PLC的I/O端口防护(宽温适应工业现场);
  • 汽车电子:车载USB、信息娱乐系统的低电压端口防护(宽温满足车载要求)。

六、技术优势总结

综合性能优势可归纳为:

  1. 信号兼容性强:15pF低结电容,适配高速信号线路;
  2. 宽温可靠性高:-55℃~+125℃宽温,适应极端环境;
  3. 小体积高密度:DFN1006超小封装,满足小型化布局;
  4. 低功耗无干扰:500nA漏电流,不影响电路正常工作;
  5. 双防护一体化:同时满足ESD和浪涌防护,简化BOM成本。

PESDU0521P1作为雷卯电子的经典防护器件,凭借均衡的性能和可靠的防护能力,成为低电压敏感电路的优选方案,广泛应用于消费电子、通信、工业、汽车等领域。

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