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BORN SMDJ100CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BORN SMDJ100CA
- Type
- BORN
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BORN
- Electronic Component
- SMDJ100CA
- Electronic Component
- 1
- Package
- DO-214AB
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.351g
- Electronic Component
- 1
- Electronic Component
- BM0264692203
- Voltage
- 162V
- Current(Ir)
- 2uA
- Voltage(VBR)
- 111V
- 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.
SMDJ100CA 产品概述
一、主要特性
SMDJ100CA 是一款双向（耦合）3000W 瞬态抑制二极管（TVS），封装为 DO-214AB（常见 SMB/SMBJ 形式）。关键参数包括：反向截止电压 VRWM = 100V，击穿电压 VBR ≈ 111V，典型钳位电压 Vc ≈ 162V（在 Ipp = 18.5A 时），峰值脉冲电流 Ipp = 18.5A，峰值脉冲功率 Ppp = 3000W（10/1000µs 波形），反向电流 Ir = 2µA（在 VRWM 条件下）。器件为双向结构，适用于交流或双极性脉冲保护场合。
二、应用场景
- 工业与电源设备：用于电源输入口、DC/AC 逆变器、直流母线防浪涌保护。
- 通信与基站：保护48V/60V供电系统、电源滤波器前端。
- 电机驱动与逆变器：抑制开关器件产生的反向浪涌与尖峰。
- I/O 与控制接口：保护长线与外部连接口免受雷击/浪涌损害。
三、性能解读与选型建议
- VRWM=100V：选择应保证器件在正常工作电压下不导通，VRWM 应略高于最大直流或峰值工作电压。
- VBR=111V 与 Vc=162V：当电路可承受钳位电压 162V 时此器件效果最佳；若下游器件耐压较低，应选用钳位更低的型号或并联限流措施。
- Ppp=3000W（10/1000µs）：适合雷击及电网入侵类长脉冲能量吸收；若预期短时高幅值冲击（8/20µs），应比较相应曲线或并用配套器件。
- 双向结构：对交流或双极性浪涌保护更合适，无需方向区分。
四、封装与安装注意
- DO-214AB（SMDJ）为表面贴装封装，便于自动贴装与回流焊。
- PCB 设计建议：靠近被保护器件或供电入口布局，走线尽量短且加宽，增加铜面积或下层散热通孔以提升热耗散能力。
- 焊接工艺：遵循回流曲线，避免长时间高温导致器件性能变化。存储与搬运注意防静电处理。
五、可靠性与使用要点
- 重复冲击：虽额定 Ppp 能量大，但频繁重复冲击会降低寿命，设计时应考虑浪涌计数与能量余量。
- 温度影响：器件在高温下导通及泄漏特性会变化，设计时应留有热裕度并考虑环境温度对 VRWM/Ir 的影响。
- 验证建议：在目标系统中进行实际浪涌试验（对应 10/1000µs 或 8/20µs 波形）验证钳位与能量吸收能力，确保系统安全。
SMDJ100CA 以其 3000W 能量处理能力和 100V 耐压等级，适用于中高压直流/交流系统的端口浪涌保护，是电源口、工业控制与通信供电等场合的常用选择。
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