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GOODWORK SMAJ33CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK SMAJ33CA
- Type
- GOODWORK
- Minimum package
- 2000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- SMAJ33CA
- Electronic Component
- 1
- Package
- DO-214AC(SMA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.09g
- Electronic Component
- 1
- Electronic Component
- BM0230812383
- Operating Temperature
- 55℃~+150℃
- Voltage
- 53.3V
- Current(Ir)
- 5uA
- Voltage(VBR)
- 36.7V
- 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.
SMAJ33CA 产品概述
一、简要介绍
SMAJ33CA 是 GOODWORK（固得沃克）推出的一款双向瞬态电压抑制器（TVS），封装为 DO-214AC（SMA），专为保护敏感电子设备免受瞬态过电压和浪涌冲击设计。器件在宽温度范围内保持稳定工作，适用于工业、通信、电源与汽车等场合的线路及接口保护。
二、主要参数（典型）
- 钳位电压 (Vclamp)：53.3 V
- 工作温度 (Tj)：-55℃ ~ +150℃
- 击穿电压 (Vbr)：36.7 V
- 反向截止电压 (Vrwm)：33 V
- 峰值脉冲功率 (Ppp)：400 W
- 峰值脉冲电流 (Ipp)：7.5 A
- 反向漏电流 (Ir)：5 µA
- 极性：双向
- 类型：TVS（瞬态抑制二极管）
- 封装：DO-214AC（SMA）
三、关键特性与优势
- 双向抑制：可同时抑制正负极性瞬态，适合交流线路或无极性保护需求。
- 低漏电流：Ir 典型 5 µA，适合对静态功耗敏感的电路。
- 宽温度稳定：-55℃ ~ +150℃ 的结温范围，满足工业级和高温环境要求。
- 高功率吸收能力：400 W 峰值脉冲功率和 7.5 A 峰值脉冲电流，能有效吸收短时浪涌能量，保护下游元件。
四、典型应用场景
- 24 V DC 电源/总线防护（Vrwm=33 V 与 24 V 系统兼容）
- 工业控制设备、PLC 输入输出端口保护
- 通信设备、电信端口和以太网非隔离侧的瞬态抑制
- 汽车电子（非严格车规等级场合）、电源模块和逆变器的浪涌防护
五、使用建议与注意事项
- 布局：将 TVS 尽量靠近被保护端口或电源入口位置焊接，减小引线感抗与寄生电感。
- 散热：在高能量冲击或频繁事件场合注意散热与热沉设计，避免过热导致退化。
- 匹配：确认系统最高工作电压不超过 Vrwm（33 V），并留有适当裕量；对连续或重复浪涌，应评估器件能否承受。
- 封装与焊接：采用符合 DO-214AC 的 SMA 焊盘和回流工艺，避免机械应力集中。
六、可靠性与选型建议
SMAJ33CA 在高温与脉冲条件下具有良好稳定性，适合需要一次性或间歇性大能量抑制的应用。选型时应根据实际浪涌波形（幅值、能量、脉宽、重复频率）核对 Ipp 与 Ppp 能否满足长期可靠运行需求；对关键或高频率冲击场合，建议考虑更高额定冲击能力的型号或并联/串联配合使用。
七、封装与采购
封装为 DO-214AC（SMA），方便贴片自动化装配。品牌为 GOODWORK（固得沃克），采购与技术资料可咨询官方或授权代理商获取完整数据手册与冲击曲线，以便在设计中进行精确验证。
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