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BORN SMBJ7.5CA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BORN SMBJ7.5CA
- Type
- BORN
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BORN
- Electronic Component
- SMBJ7.5CA
- Electronic Component
- 1
- Package
- SMB
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.324g
- Electronic Component
- 1
- Electronic Component
- BM0263572183
- Voltage
- 12.9V
- Current(Ir)
- 100uA
- Voltage(VBR)
- 8.33V
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMBJ7.5CA 产品概述
一、概述
SMBJ7.5CA 是 BORN（伯恩半导体）推出的一款高能量瞬态电压抑制器（TVS），采用 SMB（DO-214AA）封装，属于双向（Bidirectional）设计，专为瞬态过压保护与浪涌抑制而优化。器件在有限体积下提供高达 600W 的峰值脉冲功率能力，适用于电源端口和保护要求较高的低压线路。
二、主要性能参数
- 类型：TVS（二极管，双向）
- 反向截止电压 Vrwm：7.5 V
- 击穿电压 VBR：8.33 V
- 钳位电压 Vcl（典型）：12.9 V（在峰值脉冲电流 Ipp 条件下）
- 峰值脉冲电流 Ipp：46.6 A
- 峰值脉冲功率 Ppp：600 W
- 反向漏电流 Ir：100 μA（在 Vrwm 条件下）
- 封装：SMB（DO-214AA），适合表面贴装（SMT）
三、主要特性与优势
- 高能量吸收：600W 峰值脉冲功率，能有效吸收工业浪涌与雷击诱发的瞬态能量。
- 低钳位电压：在大电流冲击下仍能将过压钳制在约 12.9V，保护下游电路安全。
- 双向保护：对正负两极突发过压都能快速响应，适合交流或双向脉冲场景。
- SMB 封装：尺寸与散热性能兼顾，适用于中功率保护场合并便于自动贴装。
四、典型应用
- 开关电源与电源输入口浪涌保护
- 充电器、适配器与DC电源轨保护
- 工业控制、PLC、电机驱动的输入保护
- 通信设备、接口保护（电源口优先）
- 需要双向抑制的场合（如可翻转电源线、直流-直流前端）
五、设计与选型建议
- 若电源工作电压靠近 7.5V，应注意漏电流对系统待机功耗的影响（Ir ≈100 μA）；选择时预留余量以避免误触发。
- 钳位电压 12.9V 为典型值，若下游器件耐压低于此值需选用更低钳位或并联/级联保护方案。
- 对于频繁高能脉冲场合，建议在 PCB 设计中安排短而宽的接地回流路径和必要的热散布（铜皮、过孔），以便更好地释放能量。
- 双向器件对称结构，无需极性区分，安装时注意焊接可靠性与机械固定。
六、封装与焊接注意事项
- SMB（DO-214AA）为常用表面贴装封装，支持回流焊，但应遵循生产工艺推荐的温度曲线，避免过高温度或多次回流导致器件应力。
- 焊盘设计宜参考制造商推荐脚位图，保持短回流路径和良好热沉接地。
- 器件为抑制类元件，建议在入库与贴装过程中做好静电防护与防潮措施。
七、可靠性与质量保证
BORN 作为供应商，可提供常规电气特性测试与出厂检验。对于关键或严苛应用（如要求 AEC-Q 等级或特殊老化测试），请与供应商确认相关认证与测试报告，必要时进行客户端的验证试验。
总之，SMBJ7.5CA 以其 600W 的冲击能力、较低钳位电压和双向保护特性，是电源口和低压电路常用且可靠的浪涌抑制选择。在实际设计中结合系统电压、功率裕量和散热布线，可以获得稳定且长期的保护效果。
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