Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
GOODWORK SMBJ12CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK SMBJ12CA
- Type
- GOODWORK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- SMBJ12CA
- Electronic Component
- 1
- Package
- SMB(DO-214AA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.193g
- Electronic Component
- 1
- Electronic Component
- BM0225762826
- Operating Temperature
- 55℃~+150℃
- Voltage
- 19.9V
- Current(Ir)
- 5uA
- Voltage(VBR)
- 13.3V
- 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.
SMBJ12CA（GOODWORK 固得沃克）产品概述
一、产品概述
SMBJ12CA 是一款用于静电放电（ESD）与瞬态浪涌抑制（TVS/Surge）的双向瞬态电压抑制二极管，采用 SMB（DO-214AA）封装。器件针对瞬态脉冲提供快速响应与高吸收能量能力，适合直流或交流系统中的两端对称保护，广泛用于通信、汽车电子、工业控制及电源输入端的浪涌防护。
二、主要电气参数
- 类型：TVS（双向）
- 反向截止电压 Vrwm：12 V
- 击穿电压（Vz）：13.3 V
- 钳位电压（典型）：19.9 V
- 峰值脉冲功率 Ppp：600 W（标准测试条件）
- 峰值脉冲电流 Ipp：30.2 A
- 反向电流 Ir：5 μA（在 Vrwm 条件下）
- 工作结温度范围：-55℃ ~ +150℃（Tj）
- 封装：SMB（DO-214AA）
- 品牌：GOODWORK（固得沃克）
以上参数反映器件在规定测试条件下的典型或额定值，具体选型应参考完整数据手册并结合实际应用工况。
三、典型应用场景
- 电源输入端的浪涌保护（适用于±对称或双向过压场合）
- 通信接口、信号线的ESD防护（尤其对称信号线）
- 汽车电子模块、车载充电/点烟器等易受瞬态冲击的系统
- 工业控制设备、变频器前端和传感器接口防护
四、封装与 PCB 布局建议
SMB（DO-214AA）封装提供良好的散热路径与焊接可靠性。布局建议：
- 保护器件尽量靠近被保护引脚或接口，缩短导线长度以降低寄生电感。
- 在器件两端留足铜面积以增强散热；若高能量冲击频繁，应考虑加强散热层或加热沉。
- 焊接时遵循回流曲线及制造商焊接说明，避免长时间高温对器件性能和寿命的影响。
五、选型与注意事项
- 选型时以系统正常工作电压（或最大持续电压）小于 Vrwm 为前提，保证器件在非瞬态情况下不导通。
- 对于需要极低漏电流的应用，关注 Ir 指标并测试实际环境温度下的漏电特性。
- 若系统可能遭受高能量浪涌（如多次重击或高能级雷击），需评估是否采用多级保护或更大功率器件以延长寿命。
- 双向器件适用于交流或正负对称脉冲场合；若为单极性直流系统，应考虑单向TVS以获得更低钳位电压。
六、可靠性与环境适应
SMBJ12CA 设计适应宽温区（-55℃ 至 +150℃），适合苛刻环境下长期使用。但为确保长期可靠性，应注意焊接工艺控制、避免过度机械应力及按实际应用进行浪涌寿命验证试验。
如需进一步的电气曲线、浪涌测试波形、封装尺寸或可靠性认证资料，请参阅 GOODWORK 官方数据手册或联系供应商获取完整技术支持。
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