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KUU KESD05V14T-LC
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU KESD05V14T-LC
- Type
- KUU
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- KESD05V14T-LC
- Electronic Component
- 1
- Package
- SOT-143
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.033g
- Electronic Component
- 1
- Cj- Capacitor
- 0.45pF；0.9pF
- Electronic Component
- BM0264548704
- Operating Temperature
- 55℃~+150℃
- Voltage
- 25V
- 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.
KESD05V14T-LC 产品概述
一、概述及用途
KESD05V14T-LC 是 KUU 推出的 SOT-143 封装 ESD 抑制二极管，专为对低电压敏感的高速接口提供瞬态过电压保护而设计。器件工作电压 Vrwm 为 5V，具有快速响应、低泄漏和小结电容的特点，适合手机、平板、笔记本、USB/HDMI、串行接口及射频前端等应用的防静电保护。
二、关键电气特性
- 反向截止电压 Vrwm：5V
- 击穿电压 VBR（最小）：6V
- 峰值脉冲电流 Ipp（8/20μs）：5A
- 峰值脉冲功率 Ppp：125W
- 最大钳位电压（峰值）：25V
- 反向漏电流 Ir：典型 1μA
- 结电容 Cj：提供 0.45pF 与 0.9pF 两种规格（根据型号或测试条件）
- 工作温度：-55℃ ~ +150℃
- 防护等级：符合 IEC 61000-4-2 标准
三、主要特点与优势
- 低电容：0.45pF（低容型）可最大限度降低对高速信号的影响，适用于差分数据线与射频通道。
- 有效的钳位性能：峰值钳位电压可控，最大 25V，能在高能量脉冲时保护下游电路。
- 低漏电流：反向漏电 1μA 级别，适合对睡眠功耗和偏置要求高的系统。
- 宽温适应性与高可靠性：-55℃~+150℃ 工况覆盖工业级应用。
- 小封装：SOT-143 便于贴片自动化装配，占板面积小。
四、典型应用场景
- 手机与平板的数据/充电接口静电防护（USB、Type-C）
- HDMI、DisplayPort 等高清视频接口的瞬态抑制
- 串行接口（UART、SPI、I2C）与通信用单端/差分信号保护
- 工业控制器与传感器接口的雷电与静电防护
- 射频前端、天线保护（选用低容型可降低带宽影响）
五、PCB 布局与使用建议
- 器件应尽量靠近受保护的接口或连接器放置，走线尽量短且直。
- 为降低环路感抗，地回路应采用多个过孔（vias）短接至地平面；敏感信号地与大电流地分离布线。
- 对高速差分信号，优先选择 0.45pF 低容版本以减少信号畸变；必要时配合差分阻抗匹配。
- 若系统存在大能量脉冲，建议在靠近器件处布置适当的串联阻抗或共模滤波器以分摊能量。
- 评估热耗与连续脉冲耐受时，参照器件 Ppp 与系统脉冲规格匹配。
六、可靠性与合规性
KESD05V14T-LC 满足 IEC 61000-4-2 静电放电防护要求，器件通过高低温循环测试并工作在 -55℃ 至 +150℃ 温区，适配严苛工业与消费类环境。SOT-143 封装兼顾散热与体积，便于量产制造与长期可靠性保证。
结语：KESD05V14T-LC 凭借 5V 工作电压、低结电容与良好脉冲吸收能力，是保护低电压高速接口的理想选择。在设计中请根据带宽需求选用合适结电容版本，并遵循上述 PCB 布局建议以获得最佳防护效果。
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