WMSIC Electronic Components

KUU KPESD3V3S1BL

ModelKPESD3V3S1BL
PackageDFN1006
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
KUU KPESD3V3S1BL
Type
KUU
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
KPESD3V3S1BL
Electronic Component
1
Package
DFN1006
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.011g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.5pF
Electronic Component
BM0264249971
Operating Temperature
55℃~+125℃
Voltage
25V
Electronic Component
IEC 61000-4-2;IEC 61000-4-4
Current(Ir)
100nA

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

KPESD3V3S1BL 静电放电(ESD)防护器件产品概述

KPESD3V3S1BL是KUU品牌推出的单路ESD防护器件,专为3.3V供电系统中的敏感电子线路设计,核心定位是在不影响信号完整性的前提下,提供可靠的静电放电(ESD)与电快速瞬变脉冲群(EFT)防护,适配消费电子、可穿戴、IoT等多领域的小型化设备需求。

一、关键电气参数深度解析

该器件的电气参数经过优化,平衡了防护性能与信号兼容性,核心参数及意义如下:

  • 反向截止电压(Vrwm)3.3V:正常工作状态下,反向偏置电压不超过3.3V时器件保持截止,与主流3.3V系统电源电压匹配,避免误导通影响电路功能;
  • 钳位电压25V:遭遇ESD脉冲时,器件快速导通并将电压钳位至25V以下,有效抑制过压对后端敏感元器件(如MCU、传感器)的损坏;
  • 峰值脉冲电流(Ipp)4A/峰值脉冲功率(Ppp)100W:可耐受高强度ESD冲击,符合IEC 61000-4-2的接触放电(8kV)与空气放电(15kV)测试要求,确保极端静电环境下的防护可靠性;
  • 结电容(Cj)0.5pF:极低的寄生电容是核心优势之一,对高速信号(如USB 3.0、HDMI、SPI等)的传输延迟与损耗影响极小,适配对信号完整性要求高的场景;
  • 反向电流(Ir)100nA:低漏电流设计避免了器件自身功耗对系统待机或低功耗模式的影响,尤其适合电池供电的便携设备;
  • 击穿电压4.2V:反向击穿起始电压稳定在4.2V,确保正常工作电压(≤3.3V)下器件不导通,同时为过压防护提供明确触发阈值。

二、封装与可靠性设计

1. 小型化DFN1006封装

采用DFN1006封装(尺寸1.0mm×0.6mm×0.35mm),体积仅为传统SOT-23封装的1/5左右,大幅节省PCB布局空间,适配智能手机、智能手表等超小型化设备的高密度设计需求;同时DFN封装散热性能优异,可快速耗散ESD脉冲热量,提升器件寿命。

2. 宽温工作范围

工作温度覆盖-55℃至+125℃,远超消费电子常规温度要求(0℃~+70℃),可稳定工作于工业环境(户外传感器、车载低温场景)或极端高温场景(高负载设备内部),可靠性验证充分。

3. 国际标准合规

防护性能符合IEC 61000-4-2(ESD)与IEC 61000-4-4(EFT)标准:ESD测试通过接触放电8kV、空气放电15kV;EFT测试通过4kV(电源端口)/2kV(信号端口),确保产品应对复杂电磁环境冲击。

三、典型应用场景

KPESD3V3S1BL的参数特性使其适配多领域敏感线路防护,典型应用包括:

  • 消费电子:智能手机、平板电脑的USB Type-C接口、HDMI端口、触控屏控制线路,保护内部MCU、显示芯片免受静电损坏;
  • 可穿戴设备:智能手表、手环的心率传感器、蓝牙通信线路,应对日常佩戴中衣物摩擦产生的静电积累;
  • IoT终端:智能家居设备(智能门锁、摄像头)的Wi-Fi模块、传感器接口,适配低功耗与小型化设计;
  • 工业控制:低功耗工业控制器的模拟信号输入端口、RS485通信总线,适应宽温与电磁干扰环境;
  • 汽车电子:车载信息娱乐系统的辅助信号线路(按键控制、CAN总线分支),宽温特性可覆盖车载极端工作场景(需进一步车规认证)。

四、产品核心优势总结

  1. 高速信号兼容性:0.5pF结电容对高速信号无明显干扰,支持USB 3.0、HDMI 2.0等高速接口传输;
  2. 强防护能力:4A峰值脉冲电流与100W峰值功率,应对工业级ESD冲击;
  3. 小型化设计:DFN1006封装节省PCB空间,适配便携设备高密度布局;
  4. 宽温可靠性:-55℃~+125℃工作范围,覆盖极端环境应用;
  5. 低功耗特性:100nA反向漏电流,不影响系统待机功耗;
  6. 标准合规性:通过IEC 61000-4-2/4-4测试,可靠性有明确验证。

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