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MDD BZT52C47S
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MDD BZT52C47S
- Type
- MDD
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MDD
- Electronic Component
- BZT52C47S
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Zener Diode
- Electronic Component
- ±5%
- Electronic Component
- 0.029g
- Electronic Component
- 1
- (Zzt)
- 150Ω
- Electronic Component
- BM0264866562
- Diode
- 1
- Current(Ir)
- 100nA@36V
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 44V~50V
- 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.
BZT52C47S — MDD 通用贴片稳压二极管（47V, SOD-323）
一、产品概述
BZT52C47S 是 MDD 提供的一款通用独立式贴片稳压二极管，标称稳压值 47V，精度 ±5%，封装为 SOD-323。该器件针对需要中高电压基准或限幅保护的小功率应用设计，具有较低的反向漏电流特性，适合在空间受限且要求可靠电压钳位的电路中使用。
二、电气性能要点
- 标称稳压值（Vz）：47V（标称）
- 稳压值允许范围：44V ~ 50V（±5%）
- 反向电流（Ir）：≤100 nA @ 36V（低漏电流，有利于低功耗待机设计）
- 动态阻抗（Zzt）：150 Ω（在规定测试电流下的阻抗指标，表征稳压性能）
- 耗散功率（Pd）：200 mW（器件在推荐散热条件下的最大耗散功率）
- 二极管配置：单颗独立式
以上参数可用于初步电路设计与仿真，具体使用时应参考完整数据手册中的测试条件和典型曲线。
三、封装与机械特性
- 封装形式：SOD-323 小型表贴封装，适合自动贴装与回流焊工艺
- 封装优势：体积小、引脚热阻较低、便于在密集 PCB 布局中实现稳压/限压功能
- 建议供应形式：卷带包装（Tape & Reel），便于 SMT 产线直接贴装
四、典型应用场景
- 高电压基准与稳压：用于需要47V参考或辅助稳压的模拟电路与驱动电路
- 输入过压保护与钳位：对高压轨、传感器输入或信号线进行限幅保护，防止瞬态过压损伤后端器件
- 低功耗电路：由于低反向漏电流特性，适合对待机漏电有限制的便携与通讯设备
- 工业与仪器：在隔离电源、传感器接口等中作为稳压或保护元件
五、使用建议与注意事项
- 功率与散热：Pd=200 mW 为器件在推荐环境下的最大耗散值，长期工作时应评估 PCB 的散热能力并适当降额使用，避免在高环境温度下直接满载。
- 工作点选择：动态阻抗和稳压精度会随工作电流变化，建议参考器件在典型测试电流下的 I–V 曲线来选定工作电流，以获得期望的稳压性能。
- 漏电与偏置：标注的 Ir 为 36V 下的最大值，高电压下漏电可能增加，应在电路设计中考虑漏电对偏置、测量精度及功耗的影响。
- 焊接工艺：SOD-323 适用标准回流焊温度曲线，实际贴装时请遵循厂商给出的回流温度和时间限制，避免超温或重复加热导致性能退化。
- 静电防护与存储：遵循常规静电敏感器件处理规范与推荐的存储条件，防止潮湿和静电损伤。
六、选型与采购建议
BZT52C47S 适合在对稳压精度在 ±5% 且功耗较低的中高压应用中替代通用稳压二极管。选择时请确认具体的测试条件（如测试电流 Izt、环境温度、封装批次等）以匹配最终应用。采购时可向 MDD 或其授权分销商索取完整数据表和样品进行验证，通常提供卷带包装以利自动化装配。
若需更详细的典型曲线、热阻、最大结温等参数，请提供要求，我可以帮助查阅或解释相关数据。
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