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DOWO SMAJ6.0CA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO SMAJ6.0CA
- Type
- DOWO
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- SMAJ6.0CA
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.116g
- Electronic Component
- 1
- Electronic Component
- BM0249905769
- Operating Temperature
- 55℃~+150℃
- Voltage
- 10.3V
- Current(Ir)
- 800uA
- Voltage(VBR)
- 6.67V
- 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.
SMAJ6.0CA 产品概述
一、产品简介
SMAJ6.0CA 是一款双向瞬态电压抑制二极管（TVS），由 DOWO(东沃) 出品，封装为 SMA（DO-214AC）。该器件设计用于在瞬态过压事件（如雷击、浪涌、静电放电等）发生时，对电路提供快速钳位保护，保护下游敏感元件不被高电压击穿。
二、主要参数
- 极性：双向
- 反向工作电压 Vrwm：6V
- 击穿电压 VBR(min)：6.67V
- 钳位电压 VC（在脉冲条件下）：10.3V
- 峰值脉冲电流 Ipp：38.83A
- 峰值脉冲功率 Ppp：400W（10/1000μs 浪涌波形）
- 反向漏电流 Ir：800μA
- 工作温度范围：-55℃ ～ +150℃
- 封装：SMA（DO-214AC）
三、性能特点
- 高能量吸收能力：400W（10/1000μs）允许器件在工业级浪涌条件下提供可靠钳位。
- 快速响应：TVS 二极管能在纳秒级响应突发过压，保护敏感器件免受瞬态损坏。
- 双向结构：适用于需要对正负极对称保护的线路或交流/反向浪涌场合。
- 宽工作温度：-55℃～+150℃，适用环境范围广，满足工业与车规附近温度要求（请参照具体认证）。
四、典型应用场景
- 直流/交流电源输入保护（6V 等级系统的输入防浪涌）
- 通信、数据线和接口保护（对称信号线的共模/差模浪涌抑制）
- 工业控制设备、电源模块和配电系统的浪涌防护
- 汽车电子辅助电路、车载充电及低压总线（需结合系统要求评估）
五、典型电路与使用注意事项
- 双向 TVS 可直接并联置于被保护电路两端，无极性限制；对直流电源应用请确认反向漏电流对系统待机影响（Ir=800μA）。
- 在高能量浪涌场合，建议靠近接口或外部引入点安装以缩短回路长度，降低寄生感抗。
- 为保证钳位效果与热耗散，需配合合适的印制板铜面积和散热设计，必要时加入限流元件或熔断器做二次保护。
- 焊接工艺应遵循封装热规，避免过热影响性能与可靠性。
六、封装与安装
SMA（DO-214AC）为常见表面贴装封装，适合自动贴装与回流焊。印制板焊盘尺寸与回流曲线建议参考厂商数据手册，以保证焊接质量和热循环寿命。
七、环境与可靠性
器件工作温度宽、峰值能量吸收高，适合工业级应用。长期可靠性与抗浪涌循环次数相关，应根据应用中实际浪涌分布做应力评估与必要的冗余设计。
八、品牌与选型建议
DOWO（东沃）提供的 SMAJ6.0CA 以 6V 级别 Vrwm、400W 峰值功率和双向特性为主要卖点。选型时请确认系统最大工作电压、允许的漏电流范围及所需钳位电压，必要时与厂商核对更多电气特性曲线（V-I 曲线、能量吸收曲线、瞬态响应曲线）以获得最佳保护效果。
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