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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
VISHAY SMBJ8.5CA-E3/52 SMBJ8.5CA
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- VISHAY SMBJ8.5CA-E3 / 52
- Type
- VISHAY
- Minimum package
- 750 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- VISHAY
- Electronic Component
- SMBJ8.5CA-E3/52
- Electronic Component
- 1
- Package
- SMB(DO-214AA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.277g
- Electronic Component
- 1
- Electronic Component
- BM0266193088
- Operating Temperature
- 55℃~+150℃
- Voltage
- 14.4V
- Electronic Component
- IEC 61000-4-2
- Current(Ir)
- 20uA
- Voltage(VBR)
- 10.4V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMBJ8.5CA-E3/52 产品概述
一、产品简介
SMBJ8.5CA-E3/52 为 VISHAY（威世）出品的双向瞬态电压抑制二极管（TVS），采用 SMB（DO-214AA）封装，卷带（reel,tape）供货，符合无铅工艺（E3）。该器件针对高能量瞬态浪涌与静电放电保护设计，适用于总线、数据线及低压电源保护场景。
二、主要技术参数
- 极性：双向（bidirectional）
- 反向工作电压 Vrwm：8.5 V
- 击穿电压 Vbr：10.4 V（典型）
- 钳位电压 Vcl：14.4 V（在规定脉冲下）
- 峰值脉冲电流 Ipp：41.7 A @ 10/1000 μs
- 峰值脉冲功率 Ppp：600 W @ 10/1000 μs
- 反向漏电流 Ir：≤ 20 μA
- 工作温度范围：-55 ℃ ~ +150 ℃
- 防护等级/标准：符合 IEC 61000-4-2（ESD）
三、关键特性与优势
- 高脉冲能量吸收能力：600 W（10/1000 μs）能有效吸收工业与通信环境中的高能瞬态浪涌。
- 低钳位电压：14.4 V 钳位可在浪涌时将被保护节点的电压限制到较低水平，减轻后端元件应力。
- 双向结构：适合交流或可能反向极性的线路，不需额外双向整流电路。
- 宽温度与低漏流：适应严苛环境，常温下低漏电保持电路静态性能稳定。
四、典型应用场景
- 汽车电子辅助电路与车载通信总线（需注意车规级认证）
- 工业控制器、传感器接口与现场总线保护
- 通信设备、以太网、RS-485、串口等数据线防护
- 电源输入口及负载开关保护
五、使用与封装注意事项
- 布局建议：将 TVS 尽可能靠近被保护端口焊盘安装，最短回流路径以减小寄生电感，提升响应速度与钳位效果。
- 热管理：长时间高能量冲击会产生热量，PCB 铜箔和散热设计能提升可靠性。
- 安装工艺：遵循 VISHAY 推荐的焊接曲线与回流参数，E3 表示无铅可回流焊兼容。
- 选型提示：常规工作电压应低于 Vrwm，且确保钳位电压不会损伤后端敏感元件；若系统有反复脉冲需求，考虑更高能量等级或并联降压设计。
六、可靠性与合规性
- 器件通过 IEC 61000-4-2 电磁兼容静电放电（ESD）等级测试，满足常见静电事件防护需求。
- 温度范围与低漏电特性保证在广泛环境下长期稳定工作，适配工业级应用。
七、选型与替代建议
如系统电压或保护要求不同，可在 SMBJ 系列中上/下一级别选择不同 Vrwm 与能量等级的型号；若需更高钳位或更大峰值电流，考虑更高功率或更大封装（例如 SM8/DO-214AB）器件。购买时确认 E3/52 包装和 RoHS 要求以满足生产线装配需求。
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