WMSIC Electronic Components

KUU PESD24VL1BA

ModelPESD24VL1BA
PackageSOD-323
BrandKUU
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 Option 132940

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
KUU PESD24VL1BA
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
PESD24VL1BA
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.025g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
50pF
Electronic Component
BM0264873499
Operating Temperature
55℃~+150℃
Voltage
52V
Electronic Component
IEC 61000-4-4;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.

PESD24VL1BA 静电放电防护器件产品概述

一、产品定位与核心价值

PESD24VL1BA是KUU品牌推出的双向ESD防护二极管,针对低压电子电路的静电放电(ESD)及瞬态过压防护需求设计,核心价值在于在超小封装下实现可靠的防护性能,同时兼顾信号完整性与低功耗,是消费电子、工业控制等领域敏感电路的实用防护方案。

二、关键电气性能参数解读

该器件的核心参数围绕“防护可靠性”与“电路兼容性”平衡设计,关键指标如下:

  1. 工作/截止电压:反向截止电压(Vrwm)为24V,意味着电路正常工作电压≤24V时,器件处于截止状态,无信号干扰;击穿电压典型值26.7V,是过压触发的临界值,确保防护动作精准。
  2. 防护能力:峰值脉冲电流(Ipp)达7A,可承受常见ESD脉冲(如人体模型HBM);峰值脉冲功率(Ppp)350W,单次脉冲下的功率承载能力满足多数场景;钳位电压52V(峰值脉冲下),能将瞬态过压限制在后端器件可承受范围内,避免损坏。
  3. 信号兼容性:结电容(Cj)50pF,适合100Mbps以下的中等速率信号(如USB1.1、低速以太网、串口等),不会过度衰减高频信号;反向漏电流(Ir)仅1uA,正常工作时漏电流极小,不影响电路功耗与稳定性。

三、封装与环境适应性

  1. 超小型封装:采用SOD-323表面贴装封装,尺寸约1.6mm×0.8mm×0.6mm,体积仅为传统封装的1/5左右,适配高密度PCB设计(如智能手机、小型传感器模块),节省布线空间。
  2. 宽温工作范围:结温(Tj)支持-55℃+150℃,覆盖工业级(-40℃+85℃)及部分汽车级应用的温度需求,可在户外、高温车间等严苛环境下稳定工作。

四、防护标准与系统兼容性

  1. 权威标准认证:符合IEC 61000-4-2(ESD防护:接触放电±8kV、空气放电±15kV)与IEC 61000-4-4(电快速瞬变脉冲群EFT防护),能应对日常静电、设备插拔等产生的瞬态干扰。
  2. 双向极性设计:无需区分正负引脚,简化电路设计(可直接并联在信号/电源线上)与焊接流程,降低生产出错率。

五、典型应用场景

PESD24VL1BA的性能匹配多领域需求,常见应用包括:

  • 消费电子:智能手机、平板的USB接口、音频接口、充电端口的ESD防护;
  • 工业控制:PLC模块、温度/压力传感器接口、低速现场总线(如RS485)的瞬态防护;
  • 通信设备:路由器、交换机的低速以太网端口、串口(UART)的静电防护;
  • 汽车电子:车载信息娱乐系统的低压信号线路(如按键面板、音频输入)的宽温防护(需结合整车温度要求确认)。

六、选型与使用注意事项

  1. 电压匹配:后端电路工作电压需≤24V,若超过需选更高Vrwm的器件,避免误触发;
  2. 信号速率限制:结电容50pF不适合超高速信号(如USB3.0、HDMI2.0、千兆以太网),此类场景需选用Cj≤10pF的低电容ESD器件;
  3. 温度适配:若应用温度超过+150℃(结温),需评估长期可靠性,或选择宽温范围更宽的替代型号。

该器件凭借“小封装+宽温+可靠防护”的特点,成为低压敏感电路ESD防护的高性价比选择,适用于对空间、成本敏感的批量应用场景。

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