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LGE SMBJ17A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- LGE SMBJ17A
- Type
- LGE
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LGE
- Electronic Component
- SMBJ17A
- Electronic Component
- 1
- Package
- SMB(DO-214AA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.175g
- Electronic Component
- 1
- Electronic Component
- BM0264989446
- Operating Temperature
- 55℃~+150℃
- Voltage
- 27.6V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 18.9V
- 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.
SMBJ17A 产品概述
一、产品简介
SMBJ17A 是鲁光（LGE）出品的一款高能量 TVS 晶片二极管，单向抑制型，封装为 SMB (DO-214AA)。器件采用玻璃钝化芯片工艺，响应速度极快，适用于瞬态过压浪涌保护。额定峰值脉冲功率为 600W（10/1000μs，重复率 0.01%），在强脉冲干扰场景下提供可靠钳位保护。
二、主要电气参数
- 反向工作电压 Vrwm：17V（单向）
- 击穿电压 VBR：约 18.9V
- 钳位电压：27.6V（在指定脉冲条件下）
- 峰值脉冲电流 Ipp：21.74A（对应 600W 能量）
- 峰值脉冲功率 Ppp：600W @ 10/1000μs
- 反向漏电流 Ir：典型 1μA
- 工作温度范围：-55℃ ~ +150℃
三、结构与特性
器件采用玻璃钝化芯片，具有低泄漏电流、稳定的击穿特性和出色的长期可靠性。提供单向与双向型号以适配不同电路需求，符合 RoHS 环保标准，适合自动化 SMT 组装与传统波峰/回流焊工艺。
四、典型应用场景
- 电源输入和开关电源的浪涌抑制
- 通信接口（如以太网、串口）保护
- 汽车电子、车载充电设备的瞬态防护
- 工业控制、楼宇自控与家用电器的过压保护
五、设计与使用建议
- 建议在被保护线路的源端靠近受保护器件处布局，焊盘和走线尽量短而粗以降低寄生感抗。
- 注意脉冲能量不能作为连续吸收功率，600W 为单次脉冲能力（10/1000μs，0.01% 占空比），长期或频繁冲击需考虑器件和散热退化。
- 在高温或高湿环境下，关注封装热阻和周围散热条件，必要时加装热沉或改善通风。
六、封装与订购
封装：SMB (DO-214AA)，适配常见 SMB PCB 贴片炉温曲线。订购时请标明型号 SMBJ17A、极性（单向/双向）与数量，或咨询鲁光（LGE）渠道以获取详细标识与规格书。
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