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DOWO ESD5451X
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO ESD5451X
- Type
- DOWO
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- ESD5451X
- Electronic Component
- 1
- Package
- DFN1006-2L
- 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
- 15pF
- Electronic Component
- BM0258760033
- Voltage
- 13V
- Electronic Component
- IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 500nA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ESD5451X 产品概述
一、产品简介
ESD5451X 是 DOWO（东沃）推出的一款单路双向瞬态浪涌抑制器，专为对敏感电子接口在静电放电（ESD）和雷击浪涌冲击下提供保护而设计。器件采用小型 DFN1006-2L 封装，具有低结电容和高能量吸收能力，适用于空间受限且对信号完整性有要求的应用场景。
二、主要特性
- 极性：双向，支持正负极瞬态抑制。
- 工作反向截止电压（Vrwm）：5 V，适合 5 V 类信号线与接口保护。
- 钳位电压：13 V（典型），在峰值脉冲时有效限制电压幅值。
- 峰值脉冲电流（Ipp）：8 A @ 8/20 μs。
- 峰值脉冲功率（Ppp）：100 W @ 8/20 μs，能量吸收能力强。
- 击穿电压：6.5 V。
- 反向电流（Ir）：≤ 500 nA（典型测试条件未注明时参照厂方标准）。
- 结电容（Cj）：15 pF，兼顾保护与高速信号传输。
- 通道数：单路。
- 防护等级与标准：符合 IEC 61000-4-5（浪涌）与 IEC 61000-4-2（静电放电）要求。
三、典型应用
- USB、串行通讯接口（如 UART、RS-232/RS-485）及其他 5 V 信号线保护。
- 移动设备、物联网终端、消费电子与工业控制器的小尺寸防护设计。
- PCB 边缘 I/O、天线馈线前端或需要双向保护的低压互连。
四、主要技术参数（摘要）
- 品牌：DOWO（东沃）
- 型号：ESD5451X
- 封装：DFN1006-2L（小型贴片）
- Vrwm：5 V；击穿电压：6.5 V；钳位电压：13 V
- Ipp：8 A @ 8/20 μs；Ppp：100 W @ 8/20 μs
- Ir：500 nA；Cj：15 pF；通道数：1 路；极性：双向
五、封装与布局建议
DFN1006-2L 封装体积小，推荐将器件尽量靠近被保护的接口（或连接器）布置，最短路径连接至接地平面。保持走线短且宽，避免在器件与地之间存在长回流路径，以便在瞬态事件发生时快速将能量引入地线。
六、使用注意事项与可靠性
- 不要超过规定的脉冲电流与功率峰值，以免器件损坏。
- 反向电流与结电容会随温度与偏压变化，设计时应考虑最差工况。
- 焊接建议遵循厂方的回流曲线与湿敏等级，避免热应力影响可靠性。
- 对于极高频或对超低电容有严格要求的接口，应评估 15 pF 对信号完整性的影响。
七、结论
ESD5451X 以其双向保护、较低结电容与较高瞬态吸收能力，为 5 V 级别的接口与信号线提供可靠防护。小体积 DFN1006-2L 封装适合空间受限的应用，是手机、物联网、工业与消费电子设备中常见的静电与浪涌防护方案。若需更详细的典型曲线、封装图与焊接资料，请参照厂商完整数据手册或联系 DOWO（东沃）技术支持。
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