WMSIC Electronic Components

UMW IP4220CZ6

ModelIP4220CZ6
PackageSOT-23-6
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UMW IP4220CZ6
Type
UMW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
IP4220CZ6
Electronic Component
1
Package
SOT-23-6
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.043g
Electronic Component
1
Cj- Capacitor
0.3pF
Electronic Component
BM0227625242
Voltage
15V
Electronic Component
IEC 61000-4-5
Current(Ir)
80nA
Electronic Component
Electronic Component

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

IP4220CZ6 产品概述

一、概述

IP4220CZ6 是 UMW(友台半导体)推出的一款单向 TVS(瞬态抑制二极管)/ESD 浪涌保护器,采用 SOT-23-6 小封装,专为保护对高速信号完整性和低泄漏要求较高的 5V 供电和数据接口设计。器件在 8/20μs 波形下可承受高达 300W 的峰值脉冲功率,能够在系统遭受浪涌或静电冲击时提供可靠的钳位保护,降低后端敏感器件损坏的风险。

二、主要参数亮点

  • 极性:单向(适合 DC 供电和需要确定极性的接口保护)
  • 反向截止电压 Vrwm:5V(针对 5V 系统的稳态耐压)
  • 钳位电压:15V(在标准浪涌条件下的典型钳位电压)
  • 峰值脉冲功率 Ppp:300W @ 8/20μs(等效瞬态电流 Ipp ≈ 300W / 15V ≈ 20A)
  • 反向电流 Ir:80nA(低泄漏,适合省电或高阻抗电路)
  • 结电容 Cj:0.3pF(极低电容,保持高速信号完整性)
  • 防护等级:符合 IEC 61000-4-5(浪涌抗扰度)
  • 封装:SOT-23-6(小型化、便于布局)

三、典型应用场景

  • 5V 电源线保护:适用于 USB 供电线路、单板计算模块和外设的输入浪涌抑制。
  • 高速数据接口:得益于 0.3pF 的低结电容,非常适合保护 USB、HDMI、MIPI、LVDS 等高速差分或单端信号线而不显著影响信号质量。
  • 工业与通信设备:在需要满足 IEC 浪涌规范的设备前端,作为第一道保护元件。
  • 消费电子与便携设备:小体积封装、低泄漏电流,有利于节省空间并降低待机功耗。

四、设计与布局建议

  • 靠近受保护的连接器或接口放置 TVS 器件,缩短保护路径以减少串联感抗和阻抗不匹配。
  • 将器件负极/接地端直接与稳固的接地平面短路径连接,避免通过窄长地线回流。
  • 对于可能出现大能量冲击的应用,考虑在 PCB 下方增加散热/过流分布铜箔或热沉通孔以利于能量分散。
  • 在高速差分线保护时,尽量保持器件引脚到线对的对称布局,减少对差分特性的影响。
  • SOT-23-6 小封装适合空间受限电路板,但仍需注意焊盘尺寸与回流工艺以保证可靠焊接。

五、选型要点与注意事项

  • 确认工作电压与 Vrwm 匹配:本器件 Vrwm 为 5V,应用于以 5V 为稳态电压的系统,避免在更高恒定电压下使用。
  • 钳位电压与被保护器件承受能力:钳位 15V 表明在浪涌事件中保护电压峰值约为该值,需确认后端元件能承受短时高压或采取二级保护。
  • 结电容与信号完整性:0.3pF 对高速接口影响极小,但在极高频率或超高速差分链路上仍建议进行仿真验证。
  • 考虑浪涌能量:300W @ 8/20μs 为单次能量承受能力,频繁或更高能量的冲击需评估热和累积损伤风险,必要时采用多级保护方案。

总结:IP4220CZ6 在小体积封装下提供了面向 5V 系统和高速接口的高效瞬态保护,低结电容、低漏电流与较高峰值脉冲能力使其成为消费电子、通信和工业应用中保护关键节点的理想选择。选型时请结合具体系统工作电压、被保护器件耐受电压和浪涌能量特性进行综合评估。

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