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DOWO SMCJ58CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO SMCJ58CA
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- SMCJ58CA
- Electronic Component
- 1
- Package
- SMC
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.362g
- Electronic Component
- 1
- Electronic Component
- BM0258760012
- Operating Temperature
- 55℃~+150℃
- Voltage
- 93.6V
- Electronic Component
- IEC 61000-4-2
- Current(Ir)
- 1uA
- Voltage(VBR)
- 64.4V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMCJ58CA（SMC封装）TVS二极管产品概述
一、产品简介
SMCJ58CA 是东沃（DOWO）推出的一款双向瞬态电压抑制器（TVS），采用SMC封装，专为在电源线与信号线发生瞬态过压时提供快速钳位与能量吸收保护而设计。该器件兼顾高能量吸收能力与宽工作温度范围，适用于工业、通信与电力电子等对浪涌与静电防护要求较高的场景。
二、主要电气参数
- 极性：双向（Bidirectional）
- 反向截止电压（Vrwm）：58 V
- 击穿电压（Vbr）：64.4 V
- 钳位电压（Vclamp）：93.6 V（对应峰值脉冲条件）
- 峰值脉冲电流（Ipp）：16.03 A
- 峰值脉冲功率（Ppp）：1.5 kW（10/1000 μs 波形）
- 反向电流（Ir）：1 μA（在 Vrwm 条件下典型值）
- 工作温度：-55 ℃ 至 +150 ℃
- 防护等级：符合 IEC 61000-4-2 静电放电防护规范
三、主要特性与优势
- 高功率吸收：在10/1000 μs浪涌条件下可承受1.5 kW能量，适合长时常规雷电与工业浪涌抑制。
- 清晰钳位性能：在规定冲击下钳位电压小于100 V，可有效保护后端器件免受过压损害。
- 低泄漏电流：Vrwm 下 1 μA 的低反向电流利于低功耗系统与监测电路长期在线使用。
- 宽温度与稳健封装：SMC 封装利于散热和抗热冲击，工作温度覆盖工业级要求。
四、典型应用场景
- 48 V 通信电源和基站设备的浪涌保护。
- 工业控制与电力电子中的直流母线防护。
- 需双向保护的交流或对称脉冲线路、接口卡与电源输入端。
- 满足 IEC 61000-4-2 静电放电场合的前端保护器件。
五、使用与布板建议
- 将 TVS 靠近被保护的接口或电源引入端放置，以缩短回路电感，提高响应速度与吸收效果。
- 为充分释放能量，应在布局上保证良好的散热路径，避免靠近敏感温度元件。
- 对于大型浪涌（如雷电直击或高能脉冲），建议与熔断器、浪涌抑制器或限流元件配合使用，实现分级保护。
六、可靠性与环境适应性
器件支持-55 ℃ 至 +150 ℃ 的宽温工作范围，适应工业级环境。SMC 封装结构和材料提供良好机械强度与散热能力，能在重复脉冲与高温条件下维持稳定性能。符合 IEC 61000-4-2 标准，具备静电放电防护能力。
七、选型与注意事项
- 若系统工作电压接近或超过 Vrwm（58 V），应谨慎评估是否留有足够的工作裕量；对于 48 V 母线类应用属于合适选择。
- 双向器件适合对称极性冲击场合，若为单向直流保护可考虑单向TVS以获得更低的正向钳位。
- 注意焊接温度窗口和静电防护操作，存储与使用过程中避免超过规定的最大功耗与重复能量冲击。
如需更详细的电气曲线、冲击测试波形或封装图纸，可联系供应商获取完整规格书与应用参考。
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