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TECH PUBLIC SMBJ24CA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TECH PUBLIC SMBJ24CA
- Type
- TECH PUBLIC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TECH PUBLIC
- Electronic Component
- SMBJ24CA
- Electronic Component
- 1
- Package
- DO-214AA(SMB)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.19g
- Electronic Component
- 1
- Electronic Component
- BM0231019647
- Operating Temperature
- 55℃~+150℃
- Voltage
- 38.9V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 29.5V
- 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.
SMBJ24CA 产品概述
一、产品简介
SMBJ24CA 是 TECH PUBLIC（台舟电子）提供的一款双向瞬态抑制二极管（TVS），用于对称抑制正负方向的瞬态过压。器件设计用于保护敏感电子元件免受雷击、静电放电（ESD）和开关瞬变等冲击，适合汽车电子、通信、电源与工业控制等领域。
二、主要性能特点
- 双向极性，支持正负方向瞬态抑制。
- 峰值脉冲功率 600W（10/1000μs 波形），能吸收强脉冲能量。
- 低漏电流，典型反向电流仅 1μA，适用于低功耗系统。
- 宽工作温度范围：-55℃ 至 +150℃，可靠性高，适应恶劣环境。
三、电气参数（典型值）
- 反向截止电压 Vrwm：24V
- 击穿电压 Vbr：29.5V
- 钳位电压 Vc（在 Ipp 条件下）：38.9V
- 峰值脉冲电流 Ipp：15.4A（对应 600W @10/1000μs）
这些参数说明器件在 24V 额定系统中能够在发生瞬态时把电压钳位在接近 39V 的水平，限制对后端器件的冲击。
四、封装与环境适应
- 封装：DO-214AA（SMB），便于波峰和回流焊接，适合中功率板级保护布置。
- 工作温度：-55～+150℃，可在高温、低温与振动较大的工业与汽车环境中长期工作。
五、典型应用场景
- 24V 汽车总线及车载电子模块的过压保护。
- 通信设备（基站、路由器）电源输入端防雷保护。
- 工业控制器、PLC 的输入/输出端口浪涌抑制。
- 逆变器、开关电源的开机/关机浪涌吸收。
六、安装与使用注意事项
- 布局上尽量将 TVS 靠近需保护的输入端或器件，减小走线感应和串联阻抗，以提高抑制效果。
- 对于高能量脉冲，配合熔断器或限流阻器使用可避免自身过热损坏。
- 注意封装引脚焊接工艺，避免过热或焊接应力导致封装损伤。
- 在并联使用时注意匹配电气特性，避免应力不均。
七、选型建议
选择 SMBJ24CA 时，应确认系统最大持续工作电压 ≤ Vrwm（24V），并依据系统可能遭遇的脉冲能量选择合适的峰值功率（600W@10/1000μs）及钳位电压是否满足后端元件耐压要求。对更高能量场合，可考虑并联或选用更高额定功率的 TVS 器件。
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