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DOWO SMF16CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO SMF16CA
- Type
- DOWO
- Minimum package
- 3000 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- SMF16CA
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.039g
- Electronic Component
- 1
- Electronic Component
- BM0231033183
- Operating Temperature
- 55℃~+150℃
- Voltage
- 26V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 17.8V
- 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.
SMF16CA 产品概述
SMF16CA 是 DOWO（东沃）推出的一款双向瞬态抑制二极管（TVS），采用 SOD-123 小封装，针对突发浪涌和静电放电等瞬态过压事件提供快速、可靠的钳位保护。器件设计用于保护直流电源线、信号线和接口电路，在恶劣环境与宽温度范围下仍能保持稳定性能。
一、主要参数与特性
- 极性：双向（Bidirectional），适合交流或双向过压场合。
- 反向截止电压（Vrwm）：16 V（稳态工作电压）。
- 击穿电压（Vbr）：17.8 V（典型）。
- 钳位电压（Vc）：26 V（瞬态钳位时典型值）。
- 峰值脉冲电流（Ipp）：7.69 A（8/20 μs 波形下参考值）。
- 峰值脉冲功率（Ppp）：1 kW @ 8/20 μs（浪涌能量能力指标，实际能力依测试条件而定）。
- 反向电流（Ir）：1 μA（在 Vrwm 下的泄漏电流，指示低功耗特性）。
- 工作温度范围：-55 ℃ ~ +150 ℃。
- 封装：SOD-123，体积小、适合密集贴片布局。
二、典型应用场景
- 工业接口保护：RS-485/RS-232 总线、控制信号线等。
- 电源总线防护：12~16 V 工作电压的直流供电系统。
- 通信设备与仪器：对突发浪涌及雷击感应的抑制保护。
- 消费电子与汽车电子（非关键安全路径）：作为局部过压保护元件使用。
三、封装与布局建议
SOD-123 小封装便于自动化贴装与高密度布线。建议将 SMF16CA 尽量靠近被保护节点放置，走线短且宽以减少串联阻抗和寄生电感；在电源线或数据线入口处采用并联布置，确保瞬态电流能迅速引入 TVS。若需更高能量吸收，可考虑多片并联或在前端加串联电阻/阻尼网络以分担能量。
四、使用注意事项
- Ppp 与 Ipp 等峰值参数基于特定 8/20 μs 浪涌波形测得，实际保护效果受波形、环境温度与 PCB 热散能力影响，设计时应参照完整数据手册并留有余量。
- 双向器件在对称钳位下保护交流或反向突变，若仅用于单向保护，可优先选用单向型以降低钳位电压。
- 长期在高温或频繁浪涌环境下使用需评估热循环与老化影响，必要时增加散热或更高功率等级器件。
五、采购与质量
SMF16CA 由 DOWO（东沃）提供，SOD-123 封装适配常见贴片加工流程。选型时建议索取并核对完整规格书与典型特性曲线（例如 I-V、动态电阻与钳位随电流变化曲线），并在样机阶段进行实测验证以满足系统可靠性要求。
如需进一步的电气特性图、典型应用电路或封装引脚图，可提供器件规格书以便做更精确的电路设计与布局优化。
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