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Jingdao Microelectronics SMCJ13A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Electronic SMCJ13A
- Type
- Jingdao Microelectronics
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic
- Electronic Component
- SMCJ13A
- Electronic Component
- 1
- Package
- SMC
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.381g
- Electronic Component
- 1
- Electronic Component
- BM0230856413
- Operating Temperature
- 55℃~+150℃
- Voltage
- 21.5V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 15.9V
- 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.
SMCJ13A GEG（SMC / DO-214AB）TVS二极管 — 产品概述
一、产品简介
SMCJ13A GEG 为晶导微电子出品的瞬态电压抑制（TVS）二极管，采用SMC（DO-214AB）封装。该器件用于抑制瞬态过压事件，保护敏感电子设备免受浪涌和脉冲干扰。典型应用包括工业电源、通信接口、开关电源及各类线缆/端口的浪涌保护。
二、主要电气参数（典型值）
- 反向截止电压 Vrwm：13 V
- 击穿电压（Vbr）：15.9 V
- 钳位电压 Vc（在指定脉冲下）：21.5 V
- 峰值脉冲电流 Ipp：69.8 A
- 峰值脉冲功率 Ppp：1.5 kW（按 10/1000 μs 波形）
- 反向漏电流 Ir：1 μA（在 Vrwm 下）
- 工作结温度范围：-55 ℃ 至 +150 ℃
以上参数表明该器件在 13 V 额定直流工作电压下，能在脉冲能量输入（10/1000 μs）时承受高达 1.5 kW 的瞬态能量，并在约 69.8 A 峰值电流时将电压钳位在 21.5 V 附近。
三、关键特性与优势
- 高峰值吸收能力：1.5 kW（10/1000 μs）适合工业级浪涌抑制需求。
- 低反向漏电流：1 μA 的低漏电流利于保护精密电源与信号线路，减少静态损耗。
- 宽工作温度范围：-55 ℃ 至 +150 ℃，适应严苛环境。
- 标准化封装（SMC）：便于波峰/回流焊接与自动化生产。
四、典型应用建议与电路注意事项
- 在 13 V 直流总线或接口处并联放置作为一级浪涌保护。
- 对于长电缆或高能量冲击场合，建议与熔断器或限流电阻联用，以提升系统可恢复性并减少器件应力。
- 布局建议：器件接地铜箔尽量加大，缩短到地平面的回流路径以利散热与有效吸收能量。
- 在多次浪涌或高频干扰环境中，应评估温升和寿命，必要时选用更高能量等级或冗余设计。
五、选型与可靠性提示
- 确认需要的工作电压 Vrwm 与系统最大直流电压一致或略高，避免在正常工作下触发钳位。
- 如果系统可能承受超过 69.8 A 的单次浪涌，需选用更高 Ipp/Ppp 的型号或并联多只器件（并联时注意应力分配与热管理）。
- 长期可靠性与温度有关，高温环境应进行热仿真与实测，必要时采取散热或降低工作应力措施。
六、封装与机械信息
SMC（DO-214AB）为工业常用表面贴装封装，便于自动贴装与回流焊接。焊盘设计应参考制造商推荐的 PCB footprint，以保证热阻和机械强度。
总结：SMCJ13A GEG 是一款适用于 13 V 等级电源和接口的高能量 TVS 器件，具有较低漏电流与宽温度适应性，适合用于需要可靠浪涌保护的工业与通信场景。选型时请结合系统实际浪涌能量、重复脉冲特性及热管理策略，确保长期稳定运行。
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