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TWGMC SMF10A TVS Diode SMF10A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- TWGMC SMF10A
- Type
- TWGMC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- TWGMC
- Electronic Component
- SMF10A
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.047g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Electronic Component
- BM0227688379
- Operating Temperature
- 55℃~+150℃
- Voltage
- 17V
- Current(Ir)
- 2.5uA
- Voltage(VBR)
- 12.3V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMF10A 产品概述
SMF10A 是台湾迪嘉（TWGMC）推出的一款单路单向瞬态电压抑制二极管（TVS），封装为 SOD-123FL，专为 10V 工作电压等级的瞬态浪涌保护设计。器件在 10/1000μs 波形下可承受高达 200W 的峰值脉冲功率，具有低漏电、快速响应和宽工作温度范围，适合汽车电子、通信、电源及工业控制等需要抑制瞬态过压的场合。
一、主要电气参数
- 反向截止电压 Vrwm：10V
- 击穿电压（典型）Vbr：12.3V
- 钳位电压 Vc（Ipp 条件）：17V
- 峰值脉冲功率 Ppp：200W（10/1000μs）
- 峰值脉冲电流 Ipp：11.8A（10/1000μs）
- 反向漏电流 Ir：2.5μA（常温）
- 极性：单向
- 通道数：单路
- 工作温度范围：-55℃ ～ +150℃
二、结构与封装特点
SMF10A 采用 SOD-123FL 表面贴装封装，体积小、厚度薄，适合自动贴装与回流焊工艺。紧凑封装便于在空间受限的电路板上部署，同时具有良好的热阻和焊接可靠性。
三、性能优势与适用场景
- 抑制能力强：在标准 10/1000μs 浪涌测试下提供 200W 能量吸收能力，能保护后级元件免受短时高能脉冲损害。
- 低钳位电压：17V 钳位可有效限制电压峰值，降低被保护器件承受的应力。
- 低漏电流：2.5μA 的低静态漏电有利于电源效率与待机功耗控制。
- 宽温度范围：-55℃ 至 +150℃ 满足严苛环境与汽车级应用需求。
典型应用包括车载供电总线、12V/24V 电源接口、通信端口防护、工业控制器输入与励磁线路等。
四、使用与选型建议
- 若保护 DC 电源或整流后电路，优先选择单向器件；数据线或双向瞬态需选择相应双向型号。
- 工作电压 Vrwm 应接近或高于电路正常最大工作电压（本器件为 10V），避免在正常工况下频繁触发。
- 评估浪涌能量时参考 Ppp 与 Ipp 指标，考虑脉冲重复次数与热累积，必要时采用并联或更高功率等级的 TVS。
- 封装为 SOD-123FL，适配常见 SMT 贴装工艺，注意焊膏印刷和回流曲线以保证焊点可靠性。
五、可靠性与注意事项
本器件在 -55℃～+150℃ 下工作稳定，适合高温环境。为确保长期可靠性，应避免超出规格的连续脉冲冲击、避免焊接温度超限及机械应力。选型时建议结合实际系统浪涌模型（例如雷击、开关瞬变）进行仿真与验证。
如需进一步数据（IV 曲线、瞬态响应曲线、封装尺寸和回流建议），可向供应商索取详细数据手册以完成最终设计确认。
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