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KUU KESD9B5VL
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU KESD9B5VL
- Type
- KUU
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- KESD9B5VL
- Electronic Component
- 1
- Package
- DFN1006
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.01g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 8pF
- Electronic Component
- BM0264356199
- Operating Temperature
- 55℃~+125℃
- Voltage
- 15V
- Electronic Component
- IEC 61000-4-2；IEC 61000-4-4
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
KESD9B5VL 产品概述
一、产品简介
KESD9B5VL 是 KUU 推出的低电容双向瞬态电压抑制器（TVS），专为对寄生电容敏感的高速数据线、控制线或电源线提供瞬态过压保护而设计。该器件在保持快速钳位能力的同时，将典型结电容降至仅 8 pF，能在不显著影响信号完整性的前提下，有效抑制静电放电（ESD）、电气快速瞬变（EFT）及电缆放电事件（CDE）带来的破坏性瞬态。
二、主要参数
- 极性：双向
- 反向截止电压 Vrwm：5 V
- 击穿电压 VBR：6 V（典型）
- 钳位电压 Vc：15 V（在峰值脉冲电流 Ipp 条件下）
- 峰值脉冲电流 Ipp：5 A
- 峰值脉冲功率 Ppp：100 W
- 反向漏电流 Ir：1 µA（典型）
- 结电容 Cj：8 pF（典型）
- 通道数：单路
- 工作温度：-55 ℃ ~ +125 ℃
- 防护等级/符合标准：IEC 61000-4-2（ESD，4 级：±15 kV 空气放电、±8 kV 接触放电）、IEC 61000-4-4（EFT，40 A，5/50 ns）、CDM、CDE
- 封装：DFN1006（小封装、低寄生）
三、典型应用
- 高速数传接口与总线保护（如 USB、MIPI、串行差分对等）
- 显示、摄像头与移动终端接口的输入/输出保护
- 控制线与信号线的端口防护（对称信号或双极性信号场景）
- 需要低电容保护器件的精密测量或射频前端（避免信号失真）
四、封装与可靠性
DFN1006 小尺寸封装适合高密度 PCB 布局，低封装电感和低寄生电容有助于快速抑制瞬态且减少对高速信号的影响。器件可在 -55 ℃ 至 +125 ℃ 温度范围内稳定工作，适配工业级与消费级产品的环境要求。通过 IEC 61000 系列 ESD/EFT 认证，能满足常见系统级抗扰度测试需求。
五、设计与选型建议
- 放置位置：建议将 TVS 尽量靠近受保护的端口或连接器，走线尽量短且宽，以降低串联阻抗和感抗；
- 接地要求：虽然为双向器件（针对对称信号线），对于需要接地参考的保护方案应保证周边地平面完整，减少环路；
- 信号影响评估：8 pF 的低结电容适合大多数高速接口，但在极高速或极短信号上仍建议在样机中验证信号完整性；
- 热与功耗：在频繁或高能脉冲环境下，注意 PCB 散热与器件功率吸收能力，合理评估峰值功率要求与实际能量分布。
六、注意事项
- 钳位电压 15 V 为典型值，实际系统中钳位效果与脉冲波形、源阻抗有关；
- 反向漏电流 1 µA 为典型值，长期偏置下应考虑对低功耗电路的影响；
- 在差分线或多线保护时，选型需考虑是否采用单路多片并联或分别保护以满足系统布局与电气要求。
KESD9B5VL 以其低电容、快速响应和小封装特点，适用于对信号完整性要求较高且需可靠抗扰度保护的现代电子设备。
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