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DOWO SMDJ58CA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO SMDJ58CA
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- SMDJ58CA
- Electronic Component
- 1
- Package
- SMC(DO-214AB)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.43g
- Electronic Component
- 1
- Electronic Component
- BM0230239724
- Operating Temperature
- 55℃~+150℃
- Voltage
- 93.6V
- Current(Ir)
- 2uA
- Voltage(VBR)
- 64.4V
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMDJ58CA（DOWO/东沃）产品概述
一、产品简介
SMDJ58CA 是 DOWO（东沃）推出的一款双向瞬态电压抑制器（TVS），封装为 SMC（DO-214AB），专为吸收脉冲浪涌能量、保护敏感电子电路而设计。其标称反向截止电压（Vrwm）为 58V，击穿电压（Vbr）约 64.4V，能在高能脉冲条件下提供可靠的钳位保护。
二、主要电气参数
- 极性：双向（Bidirectional），适合交流或极性不确定的线路保护
- 反向截止电压（Vrwm）：58V
- 击穿电压（Vbr）：64.4V
- 钳位电压（Vc）@ Ipp：93.6V（在峰值脉冲电流条件下测得）
- 峰值脉冲电流（Ipp）：32.05A
- 峰值脉冲功率（Ppp）：3000W（3kW，10/1000µs 波形）
- 反向泄漏电流（Ir）：2µA（在 Vrwm 条件下）
- 工作温度范围：-55℃ ~ +150℃
三、产品特性与优势
- 高能量吸收能力：3kW（10/1000µs）脉冲功率等级，可应对工业级浪涌事件。
- 低泄漏电流：2µA 的低漏电特性，适合对漏电敏感的供电或信号线路。
- 封装优势：SMC（DO-214AB）适配自动贴片与回流焊工艺，机械强度高，便于大批量生产。
- 双向钳位：能同时抑制正负极性浪涌，适用于交流系统或不确定极性的保护场合。
四、典型应用场景
- 工业控制电源与配电系统的浪涌防护
- 电机驱动、电源变换器与整流器侧的瞬态保护
- 逆变器、太阳能并网设备的输入/输出防护（需结合系统要求评估）
- 通信与信号线接口的高能浪涌保护（配合合适的滤波/限流元件）
五、设计与安装建议
- 布局：将 TVS 器件尽量靠近被保护元件或输入端，最短路径连接至保护点，减少引线感抗。
- 散热：在焊盘周围保留足够铜箔，适当开通地/散热通孔，以利于脉冲能量后的热量扩散。
- 配合元件：对于频繁出现浪涌的环境，可与串联限流器（保险丝、PTC）或吸收/滤波网络配合使用，提升系统可靠性。
- 焊接：遵循封装回流焊工艺规范，避免超温或超时导致器件性能退化；储存与回流前避免受潮。
六、可靠性与选型注意
SMDJ58CA 在 -55℃ 到 +150℃ 的宽温范围内工作，适应严苛环境。选型时应根据实际系统可能出现的最大浪涌能量、允许的钳位电压以及是否需要双向保护来确定是否采用本型号；同时关注系统对钳位电压的容忍度以避免二次损伤。
七、型号与封装信息
- 型号：SMDJ58CA
- 品牌：DOWO（东沃）
- 封装：SMC（DO-214AB）
- 描述类型：TVS 双向瞬态抑制器
如需更详细的电气特性曲线、封装尺寸图或样品与批量采购信息，可联系供应商或参考厂商完整数据手册以获得精确测试条件下的参数与应用指导。
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