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BORN SM24CANB-02HTG-N
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BORN SM24CANB-02HTG-N
- Type
- BORN
- Minimum package
- 3000
Technical parameters
- Electronic Component
- BORN
- Electronic Component
- SM24CANB-02HTG-N
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Electronic Component
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.031g
- Electronic Component
- 1
- Cj- Capacitor
- 12pF
- Electronic Component
- BM0258885489
- Voltage
- 55V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 500nA
- Voltage(VBR)
- 30V
- Electronic Component
- 3000
- Power(Ppp)
- 280W@8/20us
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SM24CANB-02HTG-N 产品概述
一、概述
SM24CANB-02HTG-N 是 BORN（伯恩半导体）推出的一款双向瞬态抑制器（TVS），专为差分通信总线（如 CAN 总线）及工业/汽车级接口提供浪涌、雷击与静电放电保护。器件采用 SOT-23 小封装，体积小、响应快，兼顾高能量吸收能力与低结电容，适用于需要高抗扰度且不影响高速信号完整性的场合。
二、主要电气参数
- 极性：双向
- 反向稳态工作电压（Vrwm）：24 V
- 击穿电压（Vbr）：30 V（典型）
- 钳位电压：55 V（在 Ipp = 6 A, 8/20 μs 测试条件下）
- 峰值脉冲电流（Ipp）：6 A @ 8/20 μs
- 峰值脉冲功率（Ppp）：280 W @ 8/20 μs
- 反向电流（Ir）：≤ 500 nA（静态泄漏小）
- 结电容（Cj）：约 12 pF（典型，利于高速差分信号）
- 符合防护等级：IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）、IEC 61000-4-5（浪涌）
三、典型应用场景
- 汽车 CAN/LIN/FlexRay 等车载差分总线过压及 ESD 保护
- 工业现场总线与传感器接口的浪涌和静电防护
- 通信设备、网关与控制单元的输入端保护
- 任何需要双向钳位且对结电容敏感的高速差分信号线
四、使用与布局建议
- 建议将器件放置于受保护端口或连接器附近，尽量缩短保护器到受保护线的引线长度，以减少寄生电感。
- 对差分总线，可并联置于 CAN_H 与 CAN_L 之间实现差模保护；必要时与共模扼流圈、共地回路配合实现更完整的保护。
- 当系统可能承受反复的大能量冲击时，请根据实际能量测试评估器件寿命，避免长期超额冲击。
- 在高功率冲击环境下，注意 PCB 的散热设计与热量扩散路径，必要时在焊盘区域加大铜箔或使用过孔散热。
五、选型注意事项
- 工作电压匹配：Vrwm = 24 V 适合 12 V/24 V 系统，选型时确保稳态工作电压高于正常工作电压，但低于系统允许的最高瞬态电压。
- 钳位能力：钳位电压 55 V（Ipp 条件下）决定了被保护设备在瞬态时承受的最大电压，需与下游器件耐压能力匹配。
- 信号完整性：12 pF 的结电容对高速差分信号影响小，但在极高速应用仍需评估。
- 封装与空间：SOT-23 提供紧凑解决方案，适用于空间受限的 PCB 布局。
总结：SM24CANB-02HTG-N 以双向钳位、高能量吸收（280 W@8/20μs）、低漏流和低结电容为主要优势，适用于 CAN 总线及类似差分高速接口的工业与汽车级防护场景。选用时请综合评估系统工作电压、下游耐压与冲击能量需求，配合合适的 PCB 布局以获得最佳保护效果。
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