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Brightking SMAJ43CA/TR13 SMAJ43CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking SMAJ43CA / TR13
- Type
- BRIGHTKING
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Brightking
- Electronic Component
- SMAJ43CA/TR13
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.122g
- Electronic Component
- 1
- Electronic Component
- BM0259465777
- Operating Temperature
- 65℃~+150℃
- Voltage
- 69.4V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 47.8V
- 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.
Brightking SMAJ43CA/TR13 产品概述
一、产品简介
SMAJ43CA/TR13 是台湾君耀（Brightking）推出的一款双向瞬态电压抑制二极管（TVS），封装为SMA（DO-214AC）。该器件针对瞬态浪涌和雷击等脉冲干扰提供快速钳位保护，适用于交流或双向直流线路保护。典型工作环境温度范围为-65℃至+150℃，可靠性高，适合长期运行的工业与通信场合。
二、主要电气参数
- 反向截止电压（Vrwm）：43 V（反向工作电压）
- 击穿电压（Vbr）：47.8 V（典型）
- 钳位电压（Vc）：69.4 V（在峰值脉冲电流条件下）
- 峰值脉冲电流（Ipp）：5.8 A
- 峰值脉冲功率（Ppp）：400 W（按脉冲测试波形计量）
- 反向漏电流（Ir）：1 μA（在Vrwm下的典型值）
- 极性：双向（双向对称钳位，适合AC/双向DC）
上述参数表明该器件在承受短时高能脉冲时能提供低漏电、快速响应和有效钳位，保护下游元件免受过压损害。
三、封装与机械特性
SMA（DO-214AC）封装体积小、散热面有限，便于自动化贴装与回流焊接。双向结构在印刷电路板上无需考虑极性方向性（但仍建议按数据手册走板）。为获得最佳热性能，推荐在器件焊盘周围增加铜箔用于散热。
四、典型应用场景
- 通信基站、网络设备和交换机的电源与数据接口防护（如48 V系统）
- 工业控制、PLC 和传感器的浪涌抑制
- 电力与轨道交通中对瞬态过压的局部防护
- 直流供电、逆变器输出和车载电子（需根据具体系统电压匹配）
五、使用建议与注意事项
- 将TVS器件尽量靠近被保护端口布置，连接走线应尽量短且粗，以降低串联电感与电阻。
- 在重复或高能量冲击场合下，应配合适当的熔断器或限流元件使用，以防器件在过载条件下受损。
- 在焊接时遵循制造商的回流焊工艺规范，避免长时间高温暴露；同时注意PCB的散热设计以提升脉冲能量承受能力。
- 选型时确认Vrwm与实际系统正常工作电压匹配，避免长期在接近击穿电压工作，保证寿命与可靠性。
总结：SMAJ43CA/TR13 以其43 V 反向截止、69.4 V 钳位及400 W 峰值脉冲功率的组合，提供了对中高电压等级线路的有效瞬态保护，是工业、通信等领域抑制瞬时过压的可靠选择。如需更详细的波形测试条件、封装尺寸或典型浪涌曲线，建议参阅Brightking的完整数据手册。
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