WMSIC Electronic Components

Brightking UDD32C08L01

ModelUDD32C08L01
PackageSOD-323
BrandBrightking
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
Brightking UDD32C08L01
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
UDD32C08L01
Electronic Component
1
Package
SOD-323
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.024g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
1pF
Electronic Component
BM0228051953
Voltage
24V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
8.5V

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

UDD32C08L01 产品概述

一、简介

UDD32C08L01 是台湾君耀(Brightking)推出的一款单路低容抗静电二极管,采用小型 SOD-323 封装,专为保护敏感电子接口免受静电放电(ESD)、电快速瞬变(EFT)和浪涌(Surge)侵害而设计。器件在保持极低结电容的同时,提供可靠的峰值脉冲吸收能力,适用于消费电子、通信接口与工业控制等对信号完整性与抗干扰性要求较高的场合。

二、主要技术参数

  • 类型:ESD 二极管,单路保护
  • 反向截止电压 Vrwm:8 V
  • 击穿电压 Vbr:8.5 V(典型/标称)
  • 钳位电压 Vclamp:24 V(在标称峰值脉冲电流下)
  • 峰值脉冲电流 Ipp:10 A(器件脉冲吸收能力)
  • 反向电流 Ir:1 μA(在 Vrwm 条件下)
  • 结电容 Cj:1 pF(低容性,利于高速信号)
  • 通道数:单路
  • 封装:SOD-323(表面贴装)
  • 防护等级/符合标准:IEC 61000-4-2、IEC 61000-4-4、IEC 61000-4-5
  • 品牌:Brightking(台湾君耀)

三、电气特性与工作原理

UDD32C08L01 在正常工作电压下呈高阻抗、低漏电,反向截止电流典型为 1 μA,确保对信号线的影响最小。当遭遇超过器件击穿点的高能瞬态脉冲(例如静电放电或开关浪涌)时,器件由高阻态迅速进入导通/钳位状态,将脉冲能量导入接地或回路,限制线路电压峰值,典型钳位电压为 24 V(对应器件的峰值脉冲能力 10 A),从而保护下游敏感器件。由于结电容仅 1 pF,对高频信号通道的影响非常小,适合用于高速数据接口的保护。

四、关键特性与优势

  • 低结电容(1 pF):对高速信号(如 USB、HDMI、LVDS 等)影响小,保证信号完整性。
  • 低漏电(Ir = 1 μA):适合电源敏感或低功耗应用。
  • 良好浪涌/脉冲吸收能力(Ipp = 10 A):可承受工业环境或接口端口常见的瞬态冲击。
  • 多重抗干扰认证:符合 IEC 61000-4-2(ESD)、IEC 61000-4-4(EFT)与 IEC 61000-4-5(浪涌)测试要求,抗干扰性能可靠。
  • 小型 SOD-323 封装:便于在高密度电路板上布置,适用于空间受限的终端设备。

五、典型应用场景

  • 消费类产品的 I/O 接口保护(耳机、触控面板、外设接口)
  • 通信设备的数据线与控制信号保护(以太网 PHY 前端、串口)
  • 移动设备与便携终端的外部接口防护
  • 工业控制与传感器接口,减少电磁干扰引起的故障率
  • 任何对静电敏感或需保证高信号完整性的输入/输出端口

六、封装与 PCB 布局建议

  • 将 UDD32C08L01 放置在被保护引脚与外部连接点(如连接器、接口)之间的最靠近连接器的位置,以减小引线或走线的感应电感和串扰路径。
  • 使用短、宽的走线连接器脚与器件引脚,尽量减小走线长度和回路面积。
  • 器件地端应直接连接到器件参考地或器件专用接地平面,避免通过长地线或窄地带回地,以降低钳位时的地回路电压。
  • 在高频应用中,注意保持器件附近的地平面完整,避免在器件附近切割地平面造成回流路径不良。
  • 对于需要更强浪涌承受能力的场合,可与串联电阻或共模电感配合使用,实现更好的能量分流与滤波。

七、可靠性与标准合规

UDD32C08L01 针对 IEC 61000-4-2 / 4-4 / 4-5 等国际电磁兼容(EMC)标准进行了设计与验证,能够在典型的静电放电、脉冲群干扰与雷击/开关浪涌情形下提供有效保护。良好的工艺与封装有助于长期稳定性,但在实际应用中仍建议根据目标环境进行预先 EMC 测试与整机验证。

八、选型与使用注意事项

  • 工作电压要求:器件 Vrwm 为 8 V,适合保护标称电压不超过 8 V 的节点。若被保护信号或电源电压高于此值,应选用更高 Vrwm 的器件。
  • 钳位电压与后级耐压:钳位电压 24 V 为器件在规定 Ipp 下的限制值,确保后端电路在该电压下不会被损坏。
  • 多路保护需求:本型号为单路保护器件,如需多路保护请并联多个器件或选择多通道型号。
  • 温度与功耗:在高能量脉冲环境下,注意器件的热应力与 PCB 的散热设计,必要时采用额外的热管理或能量分流元件。

UDD32C08L01 以其低容、高可靠及小型封装的特性,成为在空间受限且需要维护高速信号完整性的设计中,既实用又经济的静电与瞬态保护方案。若需更详细的典型波形、封装尺寸或可靠性试验数据,请参考厂商 Datasheet 或联系 Brightking(台湾君耀)技术支持。

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