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DOWO BZT52C15S
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO BZT52C15S
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- BZT52C15S
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Zener Diode
- Electronic Component
- 0.029g
- Electronic Component
- 1
- (Zzk)
- 200Ω
- (Zzt)
- 30Ω
- Electronic Component
- BM0264801964
- Diode
- 1
- Current(Ir)
- 100nA
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 13.8V~15.6V
- 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.
BZT52C15S 产品概述
一、概述
BZT52C15S 是东沃（DOWO）推出的一款小功率独立型稳压二极管，采用 SOD-323 表面贴装封装，设计用于为低功耗电路提供稳定的 15V 参照或过压限幅保护。产品具有较低的齐纳击穿阻抗、最大耗散功率 200mW 的能力，兼顾体积小、性能稳定与可靠性高的特点，适合空间受限且对稳压精度有一定要求的应用场景。
二、主要电气参数
- 标称稳压值（Vz）：15V（范围 13.8V ~ 15.6V）
- 反向泄漏电流（Ir）：≤100nA（典型测试条件下）
- 最大耗散功率（Pd）：200mW（注意需按环境温度降额使用）
- 齐纳阻抗：Zzt = 30Ω（稳压区小信号阻抗）；Zzk = 200Ω（击穿起始区阻抗）
- 封装：SOD-323，适用于标准回流焊工艺
三、性能特点
- 齐纳击穿阻抗低，稳压响应快，负载变化时能保持较好的电压稳定性。
- 最大功耗 200mW，适合小信号或参考级应用；通过合理 PCB 散热可以提高实际允许电流。
- 反向泄漏电流小，有利于高阻输入或参考电路的微小电流环境。
- SOD-323 小型封装，适用于移动设备、传感器模块等体积受限的产品线。
四、应用建议与选型要点
- 典型用途：基准电压源、低功耗稳压、过压/浪涌钳位、比较器参考、信号线保护等。
- 最大稳压电流估算：在理想情况下 Imax ≈ Pd / Vz ≈ 200mW / 15V ≈ 13.3mA；实际使用时应留余量并考虑 Zzt 导致的压降与环境温升。
- 温度与散热：200mW 为封装在规定环境温度下的最大耗散，环境温度上升或 PCB 铜箔散热差会降低允许功率；建议在布板时在二极管周围增加散热铜面积以提升热沉效果。
- 布局注意：SOD-323 为表面贴装元件，推荐采用厂商提供的 PCB 焊盘尺寸与回流曲线，以保证焊接可靠性与热性能。
五、与其它方案的比较
- 与更大功率的稳压二极管相比（如 500mW、1W 封装），BZT52C15S 更适合对空间与成本敏感且电流需求较小的场合；若电流需求超过 10mA 或需承受较大瞬态能量，应考虑更大功率封装或专用 TVS 器件。
- 若需要更低噪声或更精密的基准，请选用专用基准源（带温度系数标注的集成参考芯片）。
六、可靠性与使用提示
- 建议在产品原理图与 BOM 中明确功耗限制与工作点，避免长期在极限功耗下使用以延长寿命。
- 对于需要高稳定性的仪表或精密测量电路，配合适当滤波和温度补偿可提升整体性能。
- 在高湿或严苛环境中，按厂家推荐储运与使用，SOD-323 对机械应力与焊接工艺敏感，应控制回流焊曲线与湿敏等级。
综上，BZT52C15S 以其小体积、低齐纳阻抗和 200mW 的功耗能力，适合为各种低功耗电子产品提供可靠的 15V 稳压或保护功能。根据实际电流与散热条件选择并合理布板，可获得稳定且持久的使用效果。
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