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Prisemi PESDNC2FD5VBH
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Prisemi PESDNC2FD5VBH
- Type
- PRISEMI
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PRISEMI
- Electronic Component
- PESDNC2FD5VBH
- 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
- 35pF
- Electronic Component
- BM0264229676
- Voltage
- 10V
- Electronic Component
- IEC 61000-4-2
- Current(Ir)
- 1uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
PESDNC2FD5VBH 产品概述
一、产品简介
PESDNC2FD5VBH 是 Prisemi（芯导）推出的一款单路双向ESD保护器件，采用小尺寸 DFN1006 封装，专为板级瞬态抑制设计。器件具有快速响应、低工作电压和大截面积结结构，能在瞬态事件发生时导入并分散高幅值脉冲能量，从而保护敏感半导体元件免受损坏。
二、关键电气参数
- 极性：双向（适合双向信号或对称保护场合）
- 反向截止电压 Vrwm：5 V
- 击穿电压 VBR：6.4 V（典型）
- 钳位电压：10 V（瞬态钳位性能）
- 峰值脉冲电流 Ipp：10 A（8/20µs）
- 峰值脉冲功率 Ppp：100 W @ 8/20µs
- 反向电流 Ir：1 µA（静态泄漏小）
- 结电容 Cj：35 pF（对高速信号有一定影响）
- 通道数：单路
- 防护等级：符合 IEC 61000-4-2（静电放电抗扰度）
- 类型：ESD 保护二极管
三、主要特性与优势
- 大截面积结结构：能够承受并分散较高的瞬态电流与能量，适用于频繁或高能量的ESD事件。
- 低漏电与低工作电压：静态泄漏仅 1 µA，有利于低功耗系统并能在 5 V 工作环境下提供可靠保护。
- 快速响应：在瞬态出现时可迅速钳位，限制电压上升，保护下游器件。
- 紧凑封装 DFN1006：占板面积小，适合空间受限的便携或消费类电子设备。
- 单路双向灵活性：当阵列器件不适合时，可为单条双向信号线提供独立保护。
四、典型应用
适用于需保护 5 V 电源线与双向信号线的场景，典型包括 USB 接口（某些应用）、UART/串口、GPIO、RS‑485 差分接口、传感器接口和其他对 ESD 有保护需求的板级线路。注意：Cj=35 pF 对超高速差分线（如 SuperSpeed USB、HDMI 高速通道）会有信号完整性影响，应评估是否满足带宽要求。
五、布局与使用建议
- 放置位置：靠近被保护的外部连接器或输入端，尽量缩短保护器件到受保护节点的走线。
- 接地处理：确保良好、低阻抗的接地路径，采用完整的接地平面或短而宽的回流走线以降低感抗。
- 串联元件：在需要时与串联电阻、链接电感配合，以改善吸收能力与抑制振铃。
- 可靠性评估：在最终系统中进行 IEC 61000-4-2 和 8/20 µs 浪涌测试验证，确认钳位电压与信号完整性满足要求。
六、总结
PESDNC2FD5VBH 以其 5 V 等级的工作电压、100 W（8/20µs）瞬态吸收能力、10 A 峰值脉冲电流和紧凑 DFN1006 封装，为单路双向线路提供了经济且可靠的板级 ESD 保护方案。设计时需综合考虑其 35 pF 的结电容对目标信号速率的影响，并在 PCB 布局上采取低感抗接地与最短走线的原则，以发挥最佳防护效果。
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