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DIOTEC 1.5SMCJ24CA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DIOTEC 1.5SMCJ24CA
- Type
- DIOTEC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DIOTEC
- Electronic Component
- 1.5SMCJ24CA
- Electronic Component
- 1
- Package
- SMC(DO-214AB)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.358g
- Electronic Component
- 1
- Electronic Component
- BM0228548965
- Voltage
- 38.9V
- Current(Ir)
- 5uA
- Voltage(VBR)
- 29.6V
- 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.
1.5SMCJ24CA 产品概述
一、产品简介
1.5SMCJ24CA 是 DIOTEC（德欧泰克）出品的一款双向瞬态电压抑制二极管（TVS），封装为 SMC（DO-214AB），额定峰值脉冲功率 1.5kW（10/1000μs 波形）。其正向/反向对称钳位特性适合保护双向电源或交流/差分信号线，常用于 24V 工业总线和车载电子的浪涌防护。
二、主要电气参数
- 额定反向工作电压 Vrwm：24V（用于选择工作电压等级）
- 击穿电压（Vbr）：29.6V（器件进入导通的电压区间）
- 钳位电压（Vclamp）：38.9V（在峰值脉冲条件下的最大钳位电压）
- 峰值脉冲功率 Ppp：1.5kW @10/1000μs（标准浪涌抗扰度条件）
- 峰值脉冲电流 Ipp：38.6A @10/1000μs
- 反向漏电流 Ir：5μA（在 Vrwm 条件下的典型泄漏值）
- 极性：双向（Bi-Dir），适合两个极性方向的瞬态抑制
三、应用场景
该器件适用于 24V 工业控制系统、通信基站电源保护、车载电子（符合 24V 母线的前级防护）、电机驱动器输入、外部接口（如 CAN/RS-485 总线）和需要双向浪涌抑制的差分信号链路。适合替代需要在浪涌事件中限制过压、吸收能量的场合。
四、选型与布局建议
- 将 TVS 靠近被保护端口或器件放置，尽量缩短引线长度以降低寄生感抗。
- 波形为 10/1000μs 时器件能承受 1.5kW/38.6A 的单次浪涌，若系统需更高能量吸收，应考虑并联多个器件或选择更高功率器件（并联时注意电流均分问题）。
- 在高频或带有滤波网络的系统中，评估 TVS 与电容、滤波器的交互，必要时在 TVS 之前放置合适的阻抗元件以限制瞬态电流斜率。
- 对于长期可靠性，应考虑热阻与 PCB 散热，SMC 封装需良好焊盘和散热层以防连续或重复冲击导致温升过高。
五、可靠性与测试
在设计中建议按 IEC 61000-4-5 或车规浪涌试验标准验证实际系统的抑制效果。注意该器件额定参数基于特定脉冲波形，其他浪涌波形（如 8/20μs、IEC 雷击波）下表现需通过实验验证。
六、总结
1.5SMCJ24CA 以其 24V 级别的 Vrwm、双向钳位特性和 1.5kW 的峰值能量吸收能力，适合工业与车载等 24V 体系的浪涌防护。正确的布局、热管理与必要的系统级测试能确保器件在实际应用中发挥最佳保护效果。
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