WMSIC Electronic Components

DOWO UDD32C05L01

ModelUDD32C05L01
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
DOWO UDD32C05L01
Type
DOWO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
Electronic Component
UDD32C05L01
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.027g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
1pF
Electronic Component
BM0230654931
Operating Temperature
55℃~+150℃
Voltage
20V
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.

UDD32C05L01 产品概述

UDD32C05L01 是 DOWO(东沃)推出的一款低电容、双向瞬态电压抑制器(TVS/ESD 二极管),采用 SOD-323 小体积封装,专为高速信号线与低压电源线的瞬态浪涌和静电放电保护而设计。器件在保持极低结电容的同时,提供大电流冲击能力和可靠的钳位性能,适用于消费电子、通信设备及工业接口保护等场合。

一、产品主要参数

  • 极性:双向
  • 额定反向截止电压 Vrwm:5 V
  • 击穿/触发电压:6 V(击穿电压)
  • 钳位电压(在规定 Ipp 下):20 V
  • 峰值脉冲电流 Ipp:22 A(单次脉冲条件)
  • 峰值脉冲功率 Ppp:450 W
  • 反向漏电流 Ir:1 µA
  • 结电容 Cj:1 pF(典型,适合高速信号)
  • 通道数:单路
  • 工作温度范围:-55 ℃ 至 +150 ℃
  • 封装:SOD-323(小型贴片)
  • 防护等级与标准:符合 IEC 61000-4-2(ESD)、IEC 61000-4-4(EFT)、IEC 61000-4-5(浪涌)
  • 类型:ESD 抑制器
  • 品牌:DOWO(东沃)

二、产品特性与优势

  • 低结电容(1 pF):对高速数据线(如 USB、串行接口等)影响极小,保持信号完整性。
  • 双向保护:支持正负瞬态脉冲,适用于差分信号或可能出现反向脉冲的接口。
  • 高能量吸收能力:450 W 峰值脉冲功率与 22 A 峰值脉冲电流,能在短时间内吸收强烈的冲击能量并将电压钳位在安全范围。
  • 低泄漏电流(1 µA):对低功耗系统影响小,适合精密电路。
  • 紧凑封装:SOD-323 适用于高密度 PCB 设计,便于自动贴装与回流焊。

三、典型应用场景

  • USB、HDMI、MIPI 等高速接口的 ESD 防护
  • 通信设备(调制解调器、路由器、光模块)数据端口保护
  • 工业控制与仪器的信号线与控制线防护
  • 手机、平板及便携式终端外部接口保护
  • 需要防护静电、浪涌与快速瞬态的低压电路

四、设计与布板建议

  • 将 UDD32C05L01 尽量靠近被保护的连接器或线路终端放置,缩短 PCB 上的引线长度以提高防护效率。
  • 对地端采用短、粗的回流通路并在必要处布置多条接地过孔,以降低地阻抗。
  • 对于差分或双线接口,每一信号线上都应考虑相应的保护器件或采用双向器件成对布局。
  • 在高能量环境下,考虑在近旁增加浪涌吸收元件或熔断保护以分担极端冲击。

五、可靠性与遵从性

UDD32C05L01 已按 IEC 61000-4-2、IEC 61000-4-4、IEC 61000-4-5 等抗扰度标准进行防护设计与评估,可应对常见静电放电、快速瞬变脉冲与浪涌事件。工作温度宽泛(-55 ℃ 至 +150 ℃),适配工业级使用环境;在具体应用中应参考供应商完整数据手册进行热功率和能量吸收能力的进一步验证与下一步整机级 EMC 设计验证。

如需样品、详细电气特性曲线(如 I-V、钳位特性曲线、脉冲浪涌测试条件)或封装尺寸与回流焊工艺建议,请参阅 DOWO 官方数据手册或联系供应商技术支持。

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