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KUU KESD5451N
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU KESD5451N
- Type
- KUU
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- KESD5451N
- Electronic Component
- 1
- Package
- DFN1006
- 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
- BM0257646969
- 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.
KESD5451N 产品概述
一、产品简介
KESD5451N 是 KUU 品牌的一款单路双向 ESD 保护器件，面向高速数据与信号接口保护而设计。器件在工作电压 Vrwm 为 5V 条件下提供可靠的瞬态抑制，具有低电容和低漏电的特点，适用于需要兼顾信号完整性与电磁兼容的场合。
二、主要电气参数
- 反向截止电压 (Vrwm)：5V
- 击穿电压 (Vbr)：6V（典型）
- 钳位电压：15V（峰值）
- 峰值脉冲电流 (Ipp)：5A
- 峰值脉冲功率 (Ppp)：100W（标准测试条件下）
- 反向电流 (Ir)：1μA（常温）
- 结电容 Cj：8pF
- 通道数：单路、双向结构
- 工作温度范围：-55℃ ~ +125℃
- 防护等级：满足 IEC 61000-4-2 / IEC 61000-4-4 标准
- 封装：DFN1006
三、关键特性与优势
- 双向保护：针对双向瞬变（正/负极性）提供对称钳位，适合差分或可双向驱动的信号线。
- 低结电容（8pF）：对高速信号干扰小，适合 USB、HDMI、摄像头接口等高速接口保护。
- 低漏电（1μA）：保证在闲置或低功耗模式下不影响电路偏置或电量消耗。
- 紧凑封装（DFN1006）：适合空间受限的移动设备与消费电子设计。
- 宽工作温度与工业级抗扰性能：适配多种工作环境和抗 ESD/ EFT 能力。
四、典型应用场景
- 手机、平板、可穿戴设备的 I/O 与数据线保护
- USB、UART、SPI 等低压高速信号接口
- 摄像头模块、触控与显示接口的瞬态抑制
- 工业控制与通信设备的弱信号保护
五、设计与布局建议
- 器件应靠近受保护的连接器或输入端放置，走线尽量短直以降低引入感抗与环路面积。
- 对高速差分线，若需要更低干扰可配合差分共模滤波或串联微电阻以改善匹配。
- 在高频或长线应用，结合 PCB 回流与地平面设计，确保有效的瞬态能量导流路径。
- 参考钳位电压与系统耐受电压选择器件，避免在钳位瞬间损伤下游器件。
六、封装与可靠性
DFN1006 紧凑封装便于自动贴装与回流焊接，适合批量生产。器件通过 IEC 61000-4-2（静电放电）和 IEC 61000-4-4（脉冲群）抗扰认证，工作温度覆盖工业级要求，长期可靠性良好。
七、使用注意事项
- 请遵循推荐回流焊温度曲线，避免超过封装温度限制。
- 在选型时注意系统实际浪涌波形与器件测试条件的一致性，必要时做实际脉冲测试验证钳位性能。
- 保存与焊接期间防潮措施建议按标准 SMD 管理执行。
KESD5451N 以其低电容、低漏电和紧凑封装，为 5V 类信号线提供高效可靠的双向 ESD 保护，是移动与工业应用中平衡信号完整性与抗扰能力的理想选择。
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