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Brightking SMAJ70CA/TR13 SMAJ70CA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking SMAJ70CA / TR13
- Type
- BRIGHTKING
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Brightking
- Electronic Component
- SMAJ70CA/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
- BM0263668561
- Voltage
- 113V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 77.8V
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ70CA/TR13 TVS 二极管（113V，SMA封装）产品概述
一、产品概述
SMAJ70CA/TR13 是 Brightking（台湾君耀）推出的一款高能量瞬态电压抑制器（TVS）二极管，双向结构，封装为 SMA（DO-214AC）。器件专为抑制瞬态过电压和吸收浪涌能量设计，可在突发浪涌时快速钳位电压，保护敏感电子元件与电路不受破坏。其适用于中高电压等级的直流/交流供电系统及工业控制设备。
二、主要电气参数
- 极性：双向（Bidirectional）
- 反向截止电压 Vrwm：70 V
- 击穿电压 VBR：77.8 V（典型）
- 钳位电压（Clamping）：113 V
- 峰值脉冲电流 Ipp：3.5 A
- 峰值脉冲功率 Ppp：400 W（厂方典型脉冲条件下）
- 反向漏电流 Ir：1 μA
- 类型：TVS，封装：SMA (DO-214AC)
以上参数来自器件规格，实际应用时应参照厂方数据手册获取完整曲线与测试条件。
三、特性与优势
- 双向保护：能同时抑制正负极性瞬态脉冲，适合交流线路或有双向浪涌风险的线路。
- 高钳位能量吸收：113 V 钳位能有效限制浪涌电压幅度，保护后端元件。
- 低漏电：1 μA 反向电流在常温下有利于降低静态功耗，适合对漏电敏感的系统。
- 紧凑可靠的 SMA 封装：便于自动化贴装、焊接与电路布局，适合批量生产应用。
四、典型应用场景
- 工业控制与电源保护：电源总线、开关电源输入端的浪涌抑制。
- 通讯与基站设备：对高压供电或线路干扰的防护。
- 测试测量设备与仪器：保护输入接口免受高能瞬态冲击。
- 其他需要双向浪涌防护的场合，如继电器驱动线路、逆变器辅助线路等。
五、封装与机械信息
SMA（DO-214AC）封装具有良好的热性能和机械强度，适配常见PCB焊盘与回流/波峰焊工艺。具体引脚、焊盘尺寸与热阻参数请参照厂方机械图与推荐焊盘布局，以确保良好散热与可靠焊接。
六、选型与使用建议
- 电压匹配：Vrwm（70 V）应高于电路正常工作电压；若系统标称电压接近或超过此值，应选用更高 Vrwm 的型号以避免持续偏置下的功耗或误触发。
- 能量裕量：Ppp 与 Ipp 为脉冲能量承受能力的指标，设计时考虑脉冲次数、频率与系统散热，避免重复超过额定能量造成器件损坏。
- 环境与热管理：在高温或狭小空间内使用时，注意热量积累，必要时采取散热或降低工作频次。
- 布局注意：靠近需要保护的节点布置器件，尽量缩短走线并提供低阻抗返回路径，以发挥最佳抑制效果。
七、总结
SMAJ70CA/TR13 以其双向保护、高钳位能力与 SMA 可靠封装，适合中高电压线路的瞬态过压保护需求。在选型时应结合系统工作电压与浪涌能量特性，确保 Vrwm 与 Ppp 等参数满足长期可靠运行要求。欲获取更详细的测试条件、脉冲波形与机械图纸，请参考 Brightking 官方数据手册或联系供应商获取完整资料。
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