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DOWO BZT52C15V
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO BZT52C15V
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- BZT52C15V
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Zener Diode
- Electronic Component
- 0.04g
- Electronic Component
- 1
- (Zzk)
- 200Ω
- (Zzt)
- 30Ω
- Electronic Component
- BM0231033193
- Diode
- 1
- Current(Ir)
- [email protected]
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 14.25V~15.75V
- 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.
BZT52C15V 产品概述
一、产品简介
BZT52C15V 是一款由 DOWO(东沃) 提供的独立式稳压二极管，标称稳压值 15V，采用 SOD-123 小封装。该器件为低功耗、小体积的表面贴装 Zener 二极管，适合在有限功耗预算下提供稳压参考或浪涌钳位功能，常用于便携式与工业控制类电路中。
二、主要参数
- 稳压值（标称）：15V
- 稳压值范围（公差 ±5%）：14.25V ~ 15.75V
- 反向电流 Ir：100nA @ 10.5V
- 最大耗散功率 Pd：500mW
- 动态阻抗 Zzt：30Ω
- 腿部阻抗 Zzk（击穿区阻抗）：200Ω
- 二极管配置：独立式（单个器件）
- 封装：SOD-123
三、电气特性解读
标称 15V 意味着在规定测试电流下器件稳定在此电压附近；给定的范围 14.25–15.75V 反映了器件制造公差。Pd=500mW 限定了最大稳压电流约为 Iz,max ≈ 0.5W / 15V ≈ 33mA，实际设计中建议取更保守的工作电流（例如 ≤50% Pd）以提高可靠性与热稳定性。Zzt=30Ω 表示在测试工作点附近有较低的动态阻抗，有利于保持输出电压稳定；Zzk=200Ω 表示在击穿区靠近 knee 的区域阻抗较大，说明在极低电流时稳压特性会变差。[email protected] 表明低电压下反向漏电流极小，适合对静态功耗敏感的电路。
四、典型应用
- 小功率基准电压源与偏置电路
- 低功耗接口与模拟前端偏置
- 过压/浪涌钳位与瞬态抑制（在允许功耗范围内）
- 电源监测与简单的稳压模块（与限流电阻配合使用）
五、封装与热管理
SOD-123 为小尺寸表面贴装封装，便于高密度 PCB 布局与自动化贴装。由于 Pd 仅 500mW，散热性能受限，需注意焊盘铜箔面积与周围铜层以提高散热能力；在高环境温度或连续高负载条件下应进行功耗降额设计。焊接时遵循 SMD 焊接规范，避免过热导致器件性能变化。
六、选型与使用注意事项
- 根据负载与期望稳压精度，选择合适的限流电阻以确保工作电流在安全范围内（计算 Iz 与功耗时请考虑最大瞬态电压）。
- 若电路在微安级或更低电流工作，应注意 Zzk 导致的稳压点漂移，必要时选用更高 Pd 或更低动态阻抗的器件。
- 注意封装的热阻，若需要长期工作在接近最大耗散，请采取热降额或改用更大功率封装。
- 储存与焊接按厂家推荐的湿敏等级与回流温度曲线执行，避免潮湿和过热。
总结：BZT52C15V 为小功耗、低漏电的 15V 稳压二极管，适合对体积和功耗有严格要求的低功率稳压与保护应用。正确的电流和热管理能够保证器件在长期工作中的稳定性与可靠性。
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