Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BORN SMBJ58CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BORN SMBJ58CA
- Type
- BORN
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BORN
- Electronic Component
- SMBJ58CA
- Electronic Component
- 1
- Package
- DO-214AA(SMB)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.191g
- Electronic Component
- 1
- Electronic Component
- BM0229259047
- Voltage
- 93.6V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 64.4V
- 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.
SMBJ58CA TVS 二极管产品概述
一、主要参数
SMBJ58CA 是 BORN（伯恩半导体）推出的一款双向瞬态电压抑制器（TVS/ESD），封装为 DO-214AA（SMB）。关键参数如下：
- 钳位电压（VC）：93.6 V（在峰值脉冲电流条件下）
- 击穿电压（Vbr）：64.4 V
- 反向截止电压（Vrwm，稳压工作电压）：58 V
- 峰值脉冲功率（Ppp）：600 W（10/1000 μs 波形）
- 峰值脉冲电流（Ipp）：6.4 A
- 反向漏电流（Ir）：1 μA
- 极性：双向（Bidirectional）
- 类型：TVS（瞬态电压抑制器）
二、产品特性与工作原理
SMBJ58CA 采用双向结构，可在正反两方向对过压瞬态进行限幅，适合交流或可能出现反向脉冲的线路。其工作流程是在电压超过击穿电压时进入导通状态，将瞬态能量导入地或对端，从而将受保护节点电压钳制在钳位电压附近（本型号钳位约 93.6V），保护后级器件免受浪涌或静电冲击。
三、典型应用场景
- 48V 通信与基站电源线路、防浪涌保护
- 工业自动化设备的电源与信号线防护
- 电源管理模块、逆变器输入侧突波抑制
- 接口保护（如串行总线、信号线）需要双向保护的场合
四、安装与使用建议
- 建议将 TVS 尽量靠近被保护端口或连接器布置，以最小化寄生电感和提升抑制效果。
- 采用推荐的 PCB 焊盘与散热设计，SMB 封装可通过铜箔扩展改善热耗散能力。
- 对于高能量或反复脉冲工况，应参考 Ppp 额定并进行适当的能量分流或级联保护方案。
- 焊接时遵循元件热敏性，采用符合制造商推荐的回流焊温度曲线，避免过热导致性能退化。
五、选型与注意事项
- Vrwm=58V 适合 48V 系统，选择时应保证工作直流电压低于 Vrwm，并留有裕量以避免长期偏置导致漏电或热失效。
- 双向结构不适合需要低电容单向保护的高速信号线；若用于单向直流电源，可考虑单向 TVS 以获得更低钳位电压。
- 检查使用环境温度与脉冲重复频率，必要时选择更高功率或并联/级联方案以提高可靠性。
- 采购时确认产地、批次与 RoHS/REACH 等合规声明，确保与系统长期可靠性匹配。
SMBJ58CA 以其 600W 的瞬态吸收能力和 58V 的稳压门槛，适用于 48V 级别的工业与通信电源防护，是一种性价比较高的中功率双向浪涌保护器件。
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