WMSIC Electronic Components

KUU KLC0504F

ModelKLC0504F
PackageSOT-363
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 KLC0504F
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
KLC0504F
Electronic Component
1
Package
SOT-363
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.028g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.3pF
Electronic Component
BM0258756624
Operating Temperature
55℃~+125℃
Voltage
15V
Electronic Component
IEC 61000-4-2;IEC 61000-4-4
Current(Ir)
1uA

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

KLC0504F 产品概述

一、产品简介

KLC0504F 是一款四路低电容瞬态电压抑制(TVS)二极管阵列,封装为 SOT-363,适用于对高速数据线与接口信号进行防护。器件标称反向工作电压(Vrwm)为 5V,典型击穿电压约 9V,钳位电压为 15V(在 8A 峰值脉冲电流条件下)。单次 8/20μs 浪涌吸收能力达到 60W,峰值脉冲电流 Ipp 为 8A。器件具有极低的结电容(Cj = 0.3pF),反向泄漏电流仅 1μA,工作温度范围 -55℃ 至 +125℃,并满足 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)抗扰度要求,适合用于手机、平板、接口板与各类高速信号防护设计。品牌:KUU。

二、主要性能参数(要点)

  • 类型:TVS(瞬态电压抑制器)
  • 通道数:四路(四线/四通道保护)
  • 封装:SOT-363(小型贴片)
  • 反向截止电压 Vrwm:5V
  • 击穿电压:≈9V
  • 钳位电压 Vc:15V(在 Ipp = 8A, 8/20μs 波形)
  • 峰值脉冲电流 Ipp:8A(8/20μs)
  • 峰值脉冲功率 Ppp:60W(8/20μs)
  • 反向电流 Ir:1μA(常温,Vrwm 条件)
  • 结电容 Cj:0.3pF(低电容,适合高速信号线)
  • 工作温度:-55℃ ~ +125℃
  • 防护等级/标准:IEC 61000-4-2, IEC 61000-4-4

三、产品特点与优势

  • 低电容设计(0.3pF),对高速数据线影响极小,适用于 USB、HDMI、LVDS、MIPI、差分信号等高速接口。
  • 四路集成,单封装多路保护,节省 PCB 面积并简化布局与 BOM。
  • SOT-363 小型封装,利于体积受限的移动终端和便携设备设计。
  • 高能量吸收能力(60W @ 8/20μs)与 8A 峰值冲击电流,可应对常见静电与浪涌事件。
  • 低反向泄漏(1μA),对电源与信号完整性影响小。
  • 宽工作温度范围和工业级耐受能力,适合多种恶劣工作环境。

四、典型应用场景

  • 手机、平板等移动终端的 USB/数据接口防护
  • 摄像头模组和显示接口(MIPI、CSI、DSI)
  • 网络与通信设备的信号线防护
  • 车载信息娱乐系统的低压信号保护(需结合系统电压评估)
  • 工业控制与仪表面板的低压接口防护
  • PCB 上需要多路小封装 TVS 的通用保护场合

五、设计与使用建议

  • 布局注意:将器件尽量靠近保护点(接口或线缆入口)放置,走线短且宽,以减少串联感抗和提高保护效率。
  • 接地处理:若是单端保护,确保器件返回路径(GND)有低阻抗、短路径;多层板请使用完整的接地平面以利热量与脉冲能量分散。
  • 电压匹配:Vrwm(5V)应高于或等于被保护电路的正常工作电压,且击穿电压与钳位电压需满足被保护 IC 的最大允许电压要求。
  • 信号完整性:低结电容有利于高速信号,但在极高频/高带宽应用仍建议配合差分阻抗匹配、共模滤波器等设计手段优化信号质量。
  • 耐久性考量:TVS 可承受短时脉冲能量,多次重复大能量冲击会降低寿命。对频繁脉冲场合,应评估能量吸收需求并考虑并联/串联方案或更高功率 TVS。
  • 封装焊接:遵循 SOT-363 的回流焊工艺规范,避免过高温度或超时焊接导致器件性能退化。

六、测试与选型要点

  • 在目标系统上验证钳位电压与剩余电压是否低于后级器件的安全阈值(在 8/20μs 条件下评估)。
  • 验证反向泄漏在 Vrwm 条件下对系统电源/偏置的影响是否可接受。
  • 对高速线应用,测试串扰与眼图,确认 0.3pF 的电容不会影响信号完整性。
  • 查看完整数据手册获取引脚定义、最大绝对额定值、典型曲线以及封装引脚布局,便于正确布局与焊接。

七、结论

KLC0504F 为小封装、高能量吸收、低电容的四路 TVS 阵列,适合对 5V 级别及周边高速接口进行有效的瞬态过电压与静电放电防护。在选择和布局时应关注钳位水平与系统耐压匹配、接地与热散设计以及重负载脉冲的耐受性。欲获得完整电气特性曲线和封装引脚信息,请参阅 KUU 提供的详细数据手册。

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