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Leiditech SMBJ5.0CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Leiditech SMBJ5.0CA
- Type
- LEIDITECH
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LEIDITECH
- Electronic Component
- SMBJ5.0CA
- Electronic Component
- 1
- Package
- DO-214AA(SMB)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.125g
- Electronic Component
- 1
- Electronic Component
- BM0264463865
- Operating Temperature
- 55℃~+125℃
- Voltage
- 9.2V
- Current(Ir)
- 100uA
- Voltage(VBR)
- 6.4V
- 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.
SMBJ5.0CA 产品概述
一、产品简介
SMBJ5.0CA 是雷卯电子（Leiditech）推出的一款双向晶闸管抑制（TVS）二极管，专为5V工作电源与数据总线的瞬态过电压保护设计。器件在10/1000μs冲击（浪涌）条件下可提供高达600W的吸收功率，并能承受峰值脉冲电流65.2A，适用于对抗突发浪涌与雷击感应引起的瞬态电压。
二、主要技术参数
- 极性：双向（Bidirectional）
- 反向截止工作电压 Vrwm：5V
- 击穿电压 VBR（I=指定电流时）：6.4V（最小值）
- 钳位电压 Vc（峰值）：9.2V
- 峰值脉冲电流 Ipp（10/1000μs）：65.2A
- 峰值脉冲功率 Ppp（10/1000μs）：600W
- 反向漏电流 Ir：100μA（在 Vrwm 条件下）
- 工作温度范围：-55℃ 至 +125℃
- 封装：DO-214AA（SMB）
- 类型：TVS 二极管
- 品牌：Leiditech（雷卯电子）
三、产品特点
- 高能量吸收：在10/1000μs浪涌脉冲下可吸收600W能量，能有效保护后端电路免受大能量冲击。
- 低钳位电压：峰值钳位电压9.2V，可在保护同时最大限度降低对被保护器件的应力。
- 双向保护：可抑制正负方向的瞬态电压，适合双向或交流耦合的应用场景。
- 宽工作温度：-55℃~+125℃，适应工业级环境。
- SMB封装：便于自动贴装和散热，便于批量生产。
四、典型应用场景
- 5V 电源轨保护（包括USB、板载5V供电）
- 通讯接口与数据总线防护（例如差分信号线、双向信号）
- 工业控制设备、电源模块和接口板的浪涌保护
- 消费电子、安防与仪器仪表的瞬态过压防护
五、封装与安装注意
SMBJ5.0CA 采用 DO-214AA（SMB）封装，推荐焊盘尺寸和热扩散措施以保证良好散热与可靠焊接。焊接时应控制回流温度曲线，避免长时间高温暴露导致性能退化。为实现最佳保护效果，器件应尽量靠近被保护端口或电源入口放置，焊点短而粗，减少串联电感和电阻。
六、选型与使用建议
- 若系统工作电压稳定在5V并可能出现正负极性浪涌，优先选择双向型TVS如SMBJ5.0CA。
- 确认系统允许的最大钳位电压（9.2V）不会损伤后端元件，否则需选择钳位更低或采用串联限流措施。
- 考虑典型浪涌波形与最大允许脉冲能量，若预期冲击超过10/1000μs规范，请评估并联多个器件或使用更高功率等级的保护器件。
- 对于严苛环境建议留有热裕量并评估反复浪涌后的可靠性。
七、存储与可靠性
器件符合常规电子元件储存要求，避免潮湿、高温及强腐蚀性气体环境。长期储存前建议按制造商提供的数据表进行防潮包装并在焊接前进行烘干处理（若必要）。产品适用于高可靠性场景，但在设计中仍建议预留适当保护冗余。
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