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YONGYUTAI MM3Z7V5CW
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- YONGYUTAI MM3Z7V5CW
- Type
- YONGYUTAI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YONGYUTAI
- Electronic Component
- MM3Z7V5CW
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Zener Diode
- Electronic Component
- 0.025g
- Electronic Component
- 1
- (Zzk)
- 80Ω
- (Zzt)
- 15Ω
- Electronic Component
- BM0264770640
- Diode
- 1
- Current(Ir)
- 1uA@5V
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 7V~7.9V
- 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.
MM3Z7V5CW 产品概述
一．概述
MM3Z7V5CW 是一只由 YONGYUTAI（永裕泰）提供的独立式稳压二极管，封装为 SOD-323，设计用于低功耗、小体积的稳压和钳位场合。该器件标称稳压值为 7.5V，实际稳压范围 7.0V~7.9V，适合对空间和成本敏感的便携及消费类电子产品。
二．主要参数
- 类型：独立式稳压（齐纳/稳压二极管）1 只
- 稳压值（标称）：7.5V
- 稳压值范围：7.0V ～ 7.9V
- 反向漏电流 Ir：1 μA @ 5V
- 最大耗散功率 Pd：200 mW（在规定散热条件下）
- 动态阻抗：Zzt = 15 Ω（稳态区），Zzk = 80 Ω（低电流/拐点区）
- 封装：SOD-323（小型表面贴装）
三．电性能与热特性
MM3Z7V5CW 在正常工作区具有较低的稳态动态阻抗（Zzt 约 15 Ω），能提供较稳定的参考电压；在低电流或拐点附近动态阻抗较高（Zzk 约 80 Ω），因此低电流条件下稳压精度下降是正常现象。反向漏电流仅 1 μA（5V 条件），利于低功耗应用。由于额定耗散功率为 200 mW，SOD-323 小封装对热管理较为敏感，需在布局时考虑 PCB 散热与环境温度的影响，并在高温或连续大电流工况下进行功率降额处理。
四．封装与引脚
SOD-323 为常见的小型表面贴装封装，适合自动贴片生产。器件极性通常在封装顶面或一侧有标记（具体请参照永裕泰出厂包装标识或数据手册），引脚连接方式为二端：阴极/阳极，两端直接焊接于 PCB。由于体积小，焊接时应注意回流温度与时间，以免损伤器件。
五．典型应用
- 小型电源的稳压参考与基准电压源
- 输入过压或尖峰电压的钳位保护
- 信号线路的过压保护与偏置稳定
- 便携设备、仪表与通信模块中的局部稳压
六．使用建议与注意事项
- 在设计时根据最大耗散功率（200 mW）和实际电流计算功耗并适当降额，留足安全裕量。
- 对于需要较高稳压精度的场合，应保证足够的工作电流以进入稳压区，避免长期在拐点区工作。
- 布局时考虑引脚与散热走线，必要时增大铜箔面积以改善散热。
- 请参阅厂商提供的完整数据手册以确认封装标识、回流焊工艺规范及典型特性曲线，确保可靠装配与长期稳定性。
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