WMSIC Electronic Components

KUU USBLC6-2SC6

ModelUSBLC6-2SC6
PackageSOT-23-6L
BrandKUU
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
KUU USBLC6-2SC6
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
USBLC6-2SC6
Electronic Component
1
Package
SOT-23-6L
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.033g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.4pF
Electronic Component
BM0231142810
Voltage
28V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
6V

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

USBLC6-2SC6 产品概述

一、主要参数概览

  • 类型:ESD 保护二极管阵列
  • 品牌:KUU
  • 封装:SOT-23-6L(小体积,适合贴片安装)
  • 通道数:四路(4 个独立保护通道)
  • 反向截止电压 Vrwm:5 V(适配 5V 系统电平)
  • 击穿电压 Vbr:6 V
  • 钳位电压 Vc:约 28 V(在标准放电条件下)
  • 反向电流 Ir:1 µA(在 Vrwm 下的低漏电)
  • 结电容 Cj:0.4 pF(单通道,极低电容)
  • 防护等级:符合 IEC 61000-4-2(静电放电保护标准)

二、关键特性

  1. 低电容:单通道结电容典型值约 0.4 pF,适合对信号完整性要求高的高速数据线(例如 USB2.0、CMOS 摄像头接口等)。
  2. 低漏电流:反向漏电仅 1 µA,能在不影响电源和模拟电路偏置的前提下长期并联保护。
  3. 适配 5V 系统:Vrwm = 5 V,适用于 USB、串行接口及多种 5V 工作电平的 I/O 保护。
  4. 四路集成:在单个 SOT-23-6L 封装内提供四路独立保护,节省 PCB 空间并简化 BOM。
  5. 符合 IEC 61000-4-2:通过静电放电防护规范验证,提升系统对静电冲击的耐受能力。

三、典型应用场景

  • USB 接口保护(D+/D- 等差分线以及额外 I/O 保护)
  • 移动设备、平板、笔记本等前端 I/O 的 ESD 防护
  • 工业与 IoT 端口(按键、通信口、传感器接口)
  • 摄像头模块、SDIO 接口及其他对信号完整性敏感的高速通道

四、使用建议与 PCB 布局要点

  • 靠近受保护接口放置:器件应尽量贴近连接器或外部引脚,以缩短保护路径、降低环路感应。
  • 低感抗接地:为确保钳位性能,保护器底部接地须采用低阻抗回路,多使用多过孔(vias)连接到主地平面。
  • 对称布线:保护差分对时,使两条信号线对称走线并保持等长,避免引入差分干扰。
  • 与其他滤波器配合:若需要更强的传导干扰抑制,可与共模电感或差分电容配合使用,但需评估对信号速率的影响。
  • 焊接与可靠性:遵循厂家推荐的回流曲线进行贴片焊接,避免过高温度或长时间高温导致性能退化。

五、性能注意事项与选型建议

  • 钳位电压与能量:28 V 的钳位值在典型静电脉冲下能有效限制电压尖峰,但对高能量雷击或浪涌场合需配合气体放电管、TVS 更高能量器件。
  • 工作电压限制:Vrwm 为 5 V,应用时应确保持续工作电压不超过该值以避免器件进入击穿或增大漏电。
  • 多次冲击寿命:ESD 器件在经过多次强放电后可能性能退化,关键产品建议做现场耐久性验证并预留替换策略。
  • 信号速率匹配:0.4 pF 的超低结电容使该器件对 USB2.0(480 Mbps)及多数高速接口友好;若应用为超高速(例如 PCIe、USB3.x)或 GHz 级信号,请根据系统仿真或实测确认是否满足信号完整性要求。

总结:USBLC6-2SC6 是一款针对 5V 系统设计的四路低电容 ESD 保护器件,封装小、漏电低、适合高密度板级防护。适用于 USB、摄像头、移动终端等需要兼顾信号完整性与静电防护的场景。选型时结合系统电压、最大允许钳位、电磁兼容目标及外部浪涌防护策略进行综合评估。

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