WMSIC Electronic Components

UMW SD12CT1G

ModelSD12CT1G
PackageSOD-323
BrandUMW
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

13 specifications

Core information

Product name
UMW SD12CT1G
Type
UMW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
SD12CT1G
Electronic Component
1
Package
SOD-323
Electronic Component
0.005g
Electronic Component
1
Electronic Component
BM0265858516
Electronic Component
Electronic Component
Electronic Component
3000

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

UMW SD12CT1G 瞬态抑制二极管产品概述

一、核心应用场景

SD12CT1G是UMW(友台半导体)针对高频、小型化电子设备推出的ESD/浪涌防护专用器件,核心覆盖三大领域:

  1. 消费电子终端:智能手机、平板电脑、智能穿戴的USB/Type-C、音频接口防护;
  2. 通信网络设备:路由器、交换机、光模块的以太网端口、电源端口浪涌抑制;
  3. 工业控制场景:PLC模块、传感器节点、现场总线的抗干扰防护。
    其参数特性与这些场景“小体积+高频信号+突发脉冲防护”的需求高度匹配。

二、关键电气参数解析

SD12CT1G精准平衡了“防护能力”与“信号完整性”,核心参数及实际意义如下:

  • 反向截止电压(Vrwm=12V):常态下反向偏置不导通,可兼容5V/12V等常见电源电压,不干扰电路正常运行;
  • 击穿电压(Vbr=13.3V):反向浪涌达到阈值时快速导通(ns级响应),第一时间启动防护;
  • 钳位电压(Vc=24V):8/20us峰值脉冲下的最大电压,将后端敏感芯片(如USB控制器、以太网芯片)的电压钳位在安全范围;
  • 峰值脉冲电流(Ipp=15A@8/20us):可承受15A的8/20us浪涌电流,覆盖IEC 61000-4-4的典型EFT(电快速瞬变脉冲群)能量;
  • 结电容(Cj=36pF/64pF):36pF的低电容特性适配USB 2.0/3.0、HDMI等高频信号传输,避免信号衰减或失真;
  • 反向漏电流(Ir=1uA):常态漏电流极小,不额外增加电路功耗,适合电池供电的便携设备。

三、封装与可靠性优势

  • SOD-323小封装:尺寸为2.0×1.25mm(0805贴片规格),可贴装于高密度PCB,满足消费电子“轻薄化”设计需求;
  • 国际标准防护:通过IEC 61000-4-2(ESD接触放电±8kV、空气放电±15kV)与IEC 61000-4-4(EFT 4kV/5kHz)测试,覆盖工业级与消费级防护要求;
  • 高脉冲耐受能力:峰值脉冲功率350W,可多次承受突发脉冲冲击(典型寿命达数千次防护),长期可靠性稳定。

四、品牌与合规认证

UMW是国内专注功率器件与防护器件的成熟厂商,SD12CT1G具备以下合规性:

  • 符合RoHS 2.0环保标准,无铅无卤,适配绿色电子设计;
  • 产品一致性好,批量供货稳定,可满足中大规模生产需求。

五、典型应用示例

  1. 智能手机USB Type-C接口防护:
    Type-C需传输USB 3.1高频数据,SD12CT1G的36pF结电容不影响信号完整性;12V反向截止匹配Type-C电源电压(5V),钳位24V保护USB控制器免受ESD/浪涌损坏。
  2. 工业PLC传感器节点防护:
    现场传感器常受EFT干扰,SD12CT1G符合IEC 61000-4-4标准,15A脉冲电流可抑制现场浪涌;小封装适合传感器模块的紧凑布局。
  3. 路由器以太网端口防护:
    以太网端口需抗ESD与浪涌,SD12CT1G的击穿电压13.3V匹配PoE(以太网供电)12V需求,低电容保证100M/1000M以太网信号质量。

总结

SD12CT1G凭借“小封装+低电容+强防护”的核心特性,成为消费电子、通信、工业领域ESD/浪涌防护的高性价比选择,适配多种高频与紧凑设计场景,可有效提升设备的抗干扰能力与可靠性。

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