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BORN SMBJ9.0A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BORN SMBJ9.0A
- Type
- BORN
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BORN
- Electronic Component
- SMBJ9.0A
- Electronic Component
- 1
- Package
- SMB
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.32g
- Electronic Component
- 1
- Electronic Component
- BM0264900529
- Voltage
- 15.4V
- Current(Ir)
- 10uA
- Voltage(VBR)
- 11.1V
- 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.
SMBJ9.0A 产品概述
一、概述
SMBJ9.0A 是 BORN（伯恩半导体）出品的一款单向瞬态抑制二极管（TVS），采用SMB封装，适用于电信和计算机等系统的浪涌与尖峰保护。器件采用玻璃钝化芯片与环氧树脂封装，兼顾耐冲击性与封装可靠性，提供稳定的过压钳位能力与低漏电流特性。
二、主要参数
- 极性：单向
- 反向工作电压 Vrwm：9 V
- 击穿电压 VBR：11.1 V（典型）
- 钳位电压 Vc：15.4 V（在指定脉冲条件下）
- 峰值脉冲电流 Ipp：39 A
- 峰值脉冲功率 Ppp：600 W（10/1000 μs 波形）
- 反向漏电流 Ir：10 μA（典型）
- 类型：TVS（瞬态电压抑制二极管）
- 封装：SMB（表面贴装）
三、关键特性与优势
- 优秀的钳位能力：在大幅度浪涌时能将电压迅速钳位到安全范围，保护下游器件不受过压损伤。
- 低漏电流：待机功耗低，适用于要求节能或高阻抗输入的电路。
- 低电容设计：对高速信号影响小，适合数据线和通信接口的保护（相对于大容值器件影响更小）。
- 高浪涌能力：600 W（10/1000 μs）和39 A 峰值脉冲电流，能应对电源投切、雷击诱发的脉冲能量。
- 可靠的制造工艺：玻璃钝化芯片与环氧封装保证长期稳定性与环境适应性。
四、典型应用
- 电信设备：基站接口、电源线和信号线的浪涌保护。
- 计算机与外设：电源输入、USB/串口供电保护、电源管理模块。
- 工业控制与仪器：电源总线及敏感控制信号的过压防护。
- 其它需要对瞬态过压抑制的场景。
五、使用建议
- 器件为单向TVS，推荐按标注方向将被保护正极接至器件的阳极/阴极端（详见数据手册），反向工作电压 Vrwm 应大于电路最大工作电压以避免误触发。
- 钳位电压 15.4 V 为在标准脉冲条件下测得的典型值，实际钳位随浪涌波形、脉冲幅度及环境温度会有所变化，设计时应留有裕量。
- 在高能量脉冲频繁出现的场合，应考虑器件的热耗散与重复冲击寿命，并在必要时并联或选用更高功率等级器件。
- 布局上尽量缩短被保护回路到接地的引线长度，优化地回路以降低感抗带来的电压升高。
六、封装与可靠性
SMB 封装适用于自动贴装与回流焊工艺。典型的封装稳定性良好，但建议遵循厂商的回流焊温度曲线和峰值温度限制，避免超出推荐焊接参数。器件采用玻璃钝化，提高对机械应力和湿度的耐受性，适合工业级应用环境。
七、选型注意事项
- 确认系统最大工作电压 ≤ Vrwm，若接近 Vrwm，应考虑留有安全裕量或选用更高 Vrwm 的型号。
- 若系统需保护高速差分信号，需关注器件的结电容指标并评估对信号质量的影响。
- 对于特殊标准（如某些工业雷击等级或航空应用），请参考完整数据手册并与厂方沟通评估。
如需更详细的电气特性曲线、封装尺寸或应用参考电路，可联系供应商获取 SMBJ9.0A 的完整数据手册。
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