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DOWO SM8S33CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO SM8S33CA
- Type
- DOWO
- Minimum package
- 750 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- SM8S33CA
- Electronic Component
- 1
- Package
- DO-218AB
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 3.7g
- Electronic Component
- 1
- Electronic Component
- BM0209672259
- Voltage
- 53.3V
- Current(Ir)
- 10uA
- Voltage(VBR)
- 36.7V
- Electronic Component
- Electronic Component
- Electronic Component
- 750
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SM8S33CA 产品概述
一、产品简介
SM8S33CA 是东沃（DOWO）推出的一款双向瞬态抑制二极管（TVS），采用 DO-218AB 封装，专为保护敏感电子元器件免受雷击、浪涌和开关瞬态冲击而设计。该器件在保持低漏电流的同时，能在短时冲击下提供高能量吸收能力，适用于多种直流与双向电源与信号保护场景。
二、主要电气参数
- 类型：双向 TVS 二极管
- 反向截止电压 Vrwm：33 V（器件额定工作电压）
- 击穿电压（Vbr）：36.7 V
- 钳位电压（Vc）：53.3 V（在指定冲击条件下）
- 峰值脉冲功率 Ppp：6.6 kW（10/1000 μs 波形）
- 峰值脉冲电流 Ipp：124 A
- 反向电流 Ir：10 μA（常温下，接近 Vrwm 时）
- 工作电压范围（系列适用）：约 10 ~ 43 V
- 极性：双向
- 封装：DO-218AB
三、性能特点
- 高能量吸收：在 10/1000 μs 波形下能承受 6.6 kW 峰值脉冲功率，能有效吸收雷电感应和工业级浪涌能量。
- 双向保护：对正负向瞬态均有对称钳位能力，适合交流或双向直流保护场合。
- 低漏电流：典型反向泄漏电流 10 μA，降低对电路静态功耗的影响。
- 紧凑、耐用封装：DO-218AB 结构有利于散热与安装，适用于需要较大功耗承受能力的 PCB 布局。
四、典型应用
- 电源输入端防护（DC/AC 电源线）
- 通信设备与网口防雷防浪涌
- 工业控制与自动化设备的电源与信号保护
- 消费电子、仪表及测试设备的瞬态抑制
五、使用建议与注意事项
- 布局：TVS 器件应尽量靠近被保护端口或连接器焊接，减小环路电感以提升抑制效果。
- 散热：高能量冲击后器件温升明显，应保证良好散热路径和足够铜箔面积，必要时配合散热片或热铜垫。
- 串联元件：对于反复发生的大幅浪涌，可考虑与限流电阻或熔断元件配合，避免器件承受过度能量导致损坏。
- 工作电压匹配：请选择与系统额定电压匹配的 Vrwm 值，本型号 Vrwm 为 33 V，适用于相应电压等级的保护。
六、封装与供货
SM8S33CA 采用 DO-218AB 封装，结构稳固，便于波峰或回流焊装配。品牌为 DOWO（东沃），适合批量工程应用与替换方案。若需更详细的典型波形曲线、热阻和机械尺寸，请参考厂商 datasheet 以获得完整规范与测试条件。
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