WMSIC Electronic Components

Jingdao Microelectronics SMF7.0CA

ModelSMF7.0CA
PackageSOD-123FL
BrandElectronic
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Electronic SMF7.0CA
Type
Jingdao Microelectronics
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
SMF7.0CA
Electronic Component
1
Package
SOD-123FL
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0230630481
Operating Temperature
55℃~+150℃
Voltage
12V
Current(Ir)
100uA
Voltage(VBR)
8.6V
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.

SMF7.0CA(SOD-123FL)产品概述

SMF7.0CA 是晶导微电子推出的一款双向瞬态电压抑制二极管(TVS),采用 SOD-123FL 小型表面贴装封装,专为抑制瞬态过电压和保护敏感电子器件设计。器件以高能量吸收能力、低漏泄及宽工作温度范围为特点,适合用于各种电源总线、通信接口及汽车电子等需双向浪涌防护的应用场景。

一、主要参数

  • 极性:双向
  • 反向截止电压(Vrwm):7 V
  • 击穿电压(Vbr):8.6 V
  • 钳位电压(Vc):12 V
  • 峰值脉冲电流(Ipp):16.7 A(10/1000 μs 波形)
  • 峰值脉冲功率(Ppp):200 W @ 10/1000 μs
  • 反向电流(Ir):100 μA
  • 工作温度:-55 ℃ ~ +150 ℃
  • 类型:TVS(瞬态抑制二极管)
  • 封装:SOD-123FL
  • 型号:SMF7.0CA(晶导微电子)

二、主要特性

  • 双向结构,适用于交流或双向浪涌场合,无需外加极性考虑。
  • 高峰值功率吸收(200 W@10/1000 μs),对短时大能量脉冲具有良好消散能力。
  • 低钳位电压(12 V),在浪涌发生时能将电压限制在较低水平,保护下游元器件。
  • 低反向泄漏(100 μA),在正常工作下对系统功耗影响小。
  • 宽工作温度范围,适合工业级及汽车等严苛环境。

三、典型应用

  • 电源总线浪涌保护(中低电压直流/交流系统)
  • USB、HDMI、串行通信接口(需双向防护的差分/数据线)
  • 汽车电子辅助电路(车载传感器、电源线瞬态抑制)
  • 工业控制设备、测量仪器的输入保护
  • 任何需要在 Vrwm≈7 V 条件下提供双向瞬变抑制的场景

四、封装与安装建议

SMF7.0CA 采用 SOD-123FL 小型表贴封装,适用于自动化贴装与回流焊工艺。建议在 PCB 布局时:

  • 将 TVS 靠近受保护的引脚或接口放置,以缩短引线感抗并提高防护效果。
  • 在 TVS 的两端保持合理的焊盘尺寸与焊膏量,确保良好热传导与焊接可靠性。
  • 对于高能量冲击的应用,可考虑在附近增加热扩散铜箔以便散热。

五、选型与注意事项

  • 若系统静态工作电压接近或高于 Vrwm(7 V),不建议使用此型号;应选择更高 Vrwm 的器件以避免误触发。
  • 对于需要更低钳位电压或更大吸收能量的场合,需在规格上对比 Vc 和 Ppp 指标后决定。
  • 双向 TVS 在直流单极性场合也可使用,但在某些极端场景单向 TVS 可能更合适以减少反向泄漏或提高响应。
  • 留意器件在高温下的泄漏电流及长期热循环可靠性,特殊应用可向供应商索取完整的热特性与寿命数据。

六、可靠性与环境适应

  • 工作温度范围 -55 ℃ 至 +150 ℃,适应工业与汽车级温度要求。
  • 推荐遵循标准 SMT 回流焊曲线进行焊接,避免超出封装允许的温度和时长。
  • 在高应力、频繁浪涌的场景下,建议做系统级冗余或定期功能验证以保证长期可靠性。

七、总结

SMF7.0CA(SOD-123FL)为一款面向中低电压、需要双向瞬态抑制的场合提供经济且性能平衡的 TVS 方案。凭借 200 W 的瞬态吸收能力、12 V 的钳位电压及小型表贴封装,它适合用于通信接口、电源保护及汽车/工业电子等多种应用场景。在选型时应注意工作电压裕量、钳位要求以及热与安装条件,以确保最优的保护效果与系统可靠性。若需更详细的电气特性曲线或封装尺寸图,请联系晶导微电子获取完整器件数据手册。

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