WMSIC Electronic Components

Leiditech ULC0524P

ModelULC0524P
PackageDFN2510-10
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+

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Technical data

Product details

19 specifications

Core information

Product name
Leiditech ULC0524P
Type
LEIDITECH
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LEIDITECH
Electronic Component
ULC0524P
Electronic Component
1
Package
DFN2510-10
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.024g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.3pF
Electronic Component
BM0264463881
Voltage
25V
Electronic Component
IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
100nA
Voltage(VBR)
6V

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

ULC0524P TVS二极管阵列产品概述

ULC0524P是雷卯电子(Leiditech)针对低电压电路瞬态过压防护推出的四路TVS二极管阵列,专为5V供电系统设计,集成度高、防护性能稳定,可有效抑制静电放电(ESD)、浪涌脉冲等干扰,广泛适配消费电子、工业控制、通信等领域的敏感电子设备。

一、核心身份与基础定位

ULC0524P属于瞬态抑制二极管(TVS)范畴,采用DSON-10封装(体积紧凑,适合高密度PCB布局),单器件集成四路独立防护通道,无需额外并联多个TVS,可简化电路设计并节省PCB空间。其设计目标明确:为5V系统的I/O接口、电源线路提供可靠的过压防护,同时兼顾高速信号传输需求。

二、关键电性能参数深度解析

1. 工作电压与触发特性

  • 反向截止电压(Vrwm):5V,即器件在正常工作时(反向偏置)不导通,不影响电路正常供电;
  • 击穿电压(最小值):6V,当线路电压超过6V时,器件快速击穿并导通,启动防护功能;
  • 反向漏电流(Ir):≤100nA,低漏电流特性可避免器件自身功耗对系统的影响,尤其适合低功耗设计场景。

2. 脉冲防护能力

  • 峰值脉冲电流(Ipp):5A(@10/1000μs波形),可承受大电流浪涌冲击;
  • 峰值脉冲功率(Ppp):75W(@8/20μs波形),覆盖IEC 61000-4-5标准下的浪涌防护要求,能有效抑制雷电感应、电源开关等产生的瞬态脉冲;
  • 最大钳位电压:25V,器件导通后可将线路电压钳位在25V以内,避免后端敏感元件(如MCU、FPGA)因过压损坏。

3. 高速信号适配性

  • 结电容(Cj):0.3pF(典型值),低电容特性可最大程度减少对高速信号(如USB 2.0/3.0、SPI、UART等)的传输损耗,确保信号完整性。

三、防护等级与可靠性

ULC0524P通过IEC 61000-4-2(ESD防护) 和IEC 61000-4-5(浪涌防护) 国际标准测试,具体防护能力符合:

  • ESD防护:可承受接触放电±8kV、空气放电±15kV(对应IEC 61000-4-2 Level 4等级);
  • 浪涌防护:可承受1.2/50μs电压浪涌±2kV、8/20μs电流浪涌±5A(对应IEC 61000-4-5 Level 2等级)。

此外,器件采用工业级工艺制造,具备高可靠性与长寿命,可适应-40℃~+85℃的宽温度范围。

四、典型应用场景

ULC0524P的特性使其适配多种低电压防护场景:

  1. 5V数字电路I/O防护:如MCU、FPGA、单片机的输入输出端口,防止静电或浪涌损坏;
  2. 高速通信接口防护:USB接口、串口(UART)、SPI/I2C总线等,低电容不影响信号传输;
  3. 消费电子设备:智能手机、平板电脑、智能家居控制器的接口(充电口、数据口)防护;
  4. 工业控制设备:PLC、传感器节点的信号线路防护,抗电磁干扰。

五、产品优势总结

ULC0524P相比传统离散TVS器件,具备以下核心优势:

  • 集成度高:四路通道集成于单封装,简化电路设计,节省PCB空间;
  • 低电容适配高速:0.3pF结电容不影响高速信号完整性;
  • 宽防护范围:覆盖ESD与浪涌脉冲,符合国际标准;
  • 低功耗:100nA漏电流不增加系统功耗,适合低功耗设计。

综上,ULC0524P是5V系统瞬态过压防护的高性价比选择,可有效提升设备抗干扰能力与可靠性,满足多领域的防护需求。

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