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DOWO 5KP350CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO 5KP350CA
- Type
- DOWO
- Minimum package
- 300 盒
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- 5KP350CA
- Electronic Component
- 1
- Package
- P600
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 2.235g
- Electronic Component
- 1
- Electronic Component
- BM0264548681
- Voltage
- 567V
- Current(Ir)
- 2uA
- Voltage(VBR)
- 391V
- Electronic Component
- Electronic Component
- Electronic Component
- 300
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
5KP350CA 产品概述
一、概述
5KP350CA 是 DOWO(东沃) 提供的一款双向瞬态抑制二极管（TVS），用于对高能脉冲过电压事件进行钳位保护。器件基于玻璃钝化芯片工艺，能够在 10/1000µs 波形下提供高达 5000W 的峰值脉冲功率能力，适合工业电源、通讯和电力电子等需要中高压浪涌防护的场合。
二、主要参数与电气特性
- 极性：双向
- 反向截止电压 Vrwm：350 V
- 击穿电压 VBR：391 V（典型/测试条件下）
- 钳位电压 Vc：567 V（对应 10/1000µs 波形下）
- 峰值脉冲电流 Ipp：8.82 A（由 Ppp/Vc 计算）
- 峰值脉冲功率 Ppp：5000 W @ 10/1000µs，重复率（占空比）0.01%
- 反向电流 Ir：2 µA（常温、Vrwm 下）
- 类型：TVS（瞬态电压抑制）
- RoHS 符合
三、关键特性与优势
- 高能量承受能力：10/1000µs 波形下 5kW 峰值功率，能有效吸收雷击和开关瞬态能量。
- 低泄漏电流：在 Vrwm 下，典型泄漏仅 2 µA，有利于降低空载能耗与温升。
- 快速响应：TVS 固有的纳秒级响应可在过压初期迅速钳位，保护下游器件。
- 玻璃钝化芯片：提高长期可靠性与抗热冲击性能，适合恶劣环境。
- 双向结构：适合交流或双向脉冲冲击场景，无需外加反向器件。
- 优秀的钳位能力：在高能脉冲下仍能维持相对较低的钳位电压，减小被保护电路应力。
四、典型应用场景
- 中高压直流/交流供电系统的浪涌保护（如 48V、300V 及以上系统）
- 工业控制与驱动电源输入端防护
- 通信基站、配电设备、逆变器及太阳能集中器的瞬态抑制
- 电力线及数据线的雷击与开关浪涌防护（需根据实际电压等级选型）
五、封装与可靠性
- 封装：P600（散热与安装方便，适合高功率脉冲释放）
- 重复占空比限制：0.01%，长时间高频脉冲会影响可靠性，应按脉冲能量和频率进行热管理与降额使用。
- 建议在 PCB 布局时保证器件引线最短、采取充分散热措施（铜箔、热沉或散热孔），并避免在器件附近放置温度敏感元件。
六、选型与使用建议
- 确认系统最大工作电压不超过 Vrwm（350 V），并留有足够裕量。
- 若系统可能出现高于典型钳位电压的能量级别，应检查下游元件的耐受电压或并联多只 TVS 分摊能量。
- 在布板时将 TVS 置于接近保护点的位置，采用短回路路径和大面积接地平面以改善散热与降低回路感抗。
- 注意脉冲波形（10/1000µs 为雷击等大能量慢波形），若系统多以短时 8/20µs 波形为主，应对比不同器件规格选择最优型号。
总结：5KP350CA 结合高能量吸收、低泄漏与玻璃钝化可靠性，适用于中高压瞬态保护需求。正确的热管理与合理的选型能确保长期稳定工作。
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