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DOWO ESD73034D
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO ESD73034D
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- ESD73034D
- Electronic Component
- 1
- Package
- DFN2510-10L
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.026g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 0.13pF
- Electronic Component
- BM0264866320
- Voltage
- 6.5V
- 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.
ESD73034D — 3.3V 双向四路高性能ESD保护器件（DOWO）
一、主要特性
ESD73034D 为 DOWO（东沃）出品的双向四路瞬态抑制二极管，专为 3.3V 信号线保护设计。主要参数如下：
- 极性：双向（适用于无源/对称信号线）
- 额定工作电压 Vrwm：3.3V
- 击穿电压 VBR：5V（典型）
- 钳位电压 Vc：6.5V（在 Ipp 条件下）
- 峰值脉冲电流 Ipp：6A（8/20µs）
- 反向泄漏电流 Ir：500nA（在 Vrwm）
- 结电容 Cj：0.13pF（极低电容，适合高速信号）
- 通道数：4 路
- 封装：DFN2510-10L（小尺寸表面贴装）
- 防护等级：符合 IEC 61000-4-2（ESD）与 IEC 61000-4-5（浪涌）
二、产品优势
- 低结电容（0.13pF）对高速数据线影响极小，适合对信号完整性要求高的接口。
- 双向结构可直接保护差分或双向信号（如数据线、串行接口等），无需外加偏置。
- 6A@8/20µs 的峰值脉冲承受能力，能有效吸收雷击/浪涌导入的短时能量。
- 封装小巧，便于对 PCB 密集布局的保护设计。
三、典型应用场景
- 3.3V 系统的高速数据信号保护（如串口、I²C、SPI、无线模块接口等）
- 消费电子、通信设备、工业控制终端的接口防护
- 智能终端、传感器前端与外部连接器的ESD/浪涌防护
四、封装与布局建议
- 封装：DFN2510-10L，适合自动贴装与回流焊接。
- 布局建议：将器件尽量靠近被保护的连接器或线缆入口，走线最短、最直；保护器件的地端（或公共端）应通过短、粗的回流地连接至系统地，并考虑多层板设置直通地 via 以降低感抗。对差分线应保持元素对称布线，避免在器件与受保护线之间引入串扰。
五、可靠性与合规
本器件设计用于满足 IEC 61000-4-2 ESD 以及 IEC 61000-4-5 浪涌抗扰度要求，在典型系统环境下能显著提高接口可靠性。出货前建议在目标系统上验证钳位电压与泄漏电流对电路工作的影响。
六、使用注意事项
- 在高度灵敏的模拟或射频前端使用前，应验证 0.13pF 电容对带宽/匹配的影响。
- 若被保护线常态承受高电压或高能量脉冲，需评估器件热耗散并考虑并联或更高能量等级的保护方案。
- 参考厂商原理图与封装引脚定义进行 PCB 设计与焊接工艺设置，确保长期可靠性。
ESD73034D 以其低电容、较高脉冲承受能力与小型封装，适合为 3.3V 的多路高速接口提供高效的 ESD 与浪涌防护。若需更详细的电气特性曲线、封装尺寸图或推荐焊盘，请告知，我可提供进一步技术支持。
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