WMSIC Electronic Components

DOWO PESD15VL1BA

ModelPESD15VL1BA
PackageSOD-323
BrandDOWO
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
DOWO PESD15VL1BA
Type
DOWO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
Electronic Component
PESD15VL1BA
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.028g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.6pF
Electronic Component
BM0264548654
Operating Temperature
55℃~+125℃
Voltage
40V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2

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

PESD15VL1BA 瞬态抑制二极管(ESD防护)产品概述

一、产品定位与核心功能

PESD15VL1BA是东沃(DOWO)推出的双向低电容ESD瞬态抑制二极管,专为敏感电子电路的静电放电(ESD)、电快速瞬变脉冲群(EFT)及浪涌干扰防护设计。其核心作用是在过压事件发生时快速导通,将瞬态电压钳位在安全范围内,避免后端IC、传感器等元件因过压损坏;同时凭借低结电容特性,可兼容高速信号传输场景,实现“防护不损信号”的平衡。

二、关键电气参数深度解析

该器件的电气参数经过优化,兼顾防护能力与信号完整性,核心参数及实际意义如下:

(1)防护电压核心指标

  • 反向截止电压(Vrwm=15V):正常工作状态下器件反向截止,漏电流极小,不影响电路常规供电;
  • 击穿电压(Vbr=16.7V):当瞬态电压超过16.7V时,器件快速击穿导通,启动防护机制,响应时间仅ns级;
  • 钳位电压(Vc=40V):在8/20μs峰值脉冲(Ipp=10A)下,将电压钳位至40V以内——远低于多数敏感IC的耐受极限(通常3.3V/5V系统耐受≤50V),有效隔离过压冲击。

(2)脉冲耐受与功率能力

  • 峰值脉冲电流(Ipp=10A):可承受单次10A的8/20μs浪涌电流,满足IEC 61000-4-5标准的浪涌防护要求;
  • 峰值脉冲功率(Ppp=400W):对应10A脉冲下的功率容量,确保大能量瞬态干扰下器件不失效。

(3)低电容与漏电流特性

  • 结电容(Cj=0.6pF):单路通道结电容仅0.6pF,远低于传统TVS管(通常1pF以上),可兼容USB 3.0、HDMI 2.0、LVDS等高速信号(频率达数GHz),避免信号衰减、反射或串扰;
  • 反向漏电流(Ir=1μA):正常工作时反向漏电流仅1μA,不增加系统功耗,尤其适合低功耗物联网设备。

(4)宽温与可靠性参数

  • 工作温度范围(-55℃~+125℃):覆盖工业级与车载级温度要求,可在极端环境下稳定工作;
  • 通道数(单路):适用于单端信号线路的独立防护,避免多通道器件的串扰问题。

三、封装与物理特性

PESD15VL1BA采用SOD-323小型表面贴装封装,尺寸仅1.6mm×0.8mm×0.6mm(典型值),具有以下优势:

  • 高密度布局:适合智能手机、可穿戴设备等小型化产品的高密度PCB设计;
  • 环保兼容:符合RoHS与REACH标准,无铅无卤,满足绿色制造要求;
  • 工艺适配:支持回流焊、波峰焊等常规SMT工艺,生产效率高,焊接可靠性强。

四、防护性能与国际认证

该器件通过多项国际电磁兼容(EMC)标准认证,防护能力覆盖常见干扰场景:

  • IEC 61000-4-2:ESD防护达接触放电±8kV、空气放电±15kV(行业主流防护等级);
  • IEC 61000-4-4:EFT防护达4kV(5kHz重复频率),应对电源/信号线上的快速瞬变干扰;
  • IEC 61000-4-5:浪涌防护达2kV(1.2/50μs电压波、8/20μs电流波),满足电源端口防护需求。

五、典型应用场景

PESD15VL1BA的低电容、宽温及高防护特性,使其适用于以下场景:

  1. 消费电子:智能手机、平板的USB接口、音频接口、HDMI接口防护;
  2. 高速通信:路由器、交换机的以太网端口、LVDS视频接口防护;
  3. 工业控制:PLC输入输出端口、温度/压力传感器信号接口防护;
  4. 车载电子:车载娱乐系统(CarPlay接口)、ADAS摄像头/雷达信号接口防护;
  5. 物联网设备:低功耗传感器节点、智能穿戴设备的通信接口防护。

六、品牌与可靠性说明

东沃(DOWO)作为专业防护器件厂商,PESD15VL1BA经过严格可靠性测试(温度循环、湿度老化、焊接可靠性等),批量产品一致性与稳定性优异,可替代同类进口器件(参数兼容),有效降低采购成本。

该器件凭借“高防护+低电容+宽温”的综合优势,成为敏感电子电路ESD/浪涌防护的高性价比选择。

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