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DOWO BZT52C33S
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO BZT52C33S
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- BZT52C33S
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Zener Diode
- Electronic Component
- 0.029g
- Electronic Component
- 1
- (Zzk)
- 325Ω
- (Zzt)
- 80Ω
- Electronic Component
- BM0264866304
- Diode
- 1
- Current(Ir)
- 100nA
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 31V~35V
- 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.
BZT52C33S 产品概述
一、产品简介
BZT52C33S（品牌：DOWO/东沃）是单颗独立式稳压二极管，标称齐纳电压33V，适用于小功率稳压和浪涌保护场合。器件采用SOD-323小型表面贴装封装，体积小、易于自动贴装，适合体积受限的电子设备。
二、主要电气参数
- 稳压值（标称）：33V
- 稳压值范围：31V ~ 35V
- 反向电流（Ir）：100nA（典型/最大值，具体测量条件见规格书）
- 最大耗散功率（Pd）：200mW
- 击穿阻抗（Zzt）：80Ω
- 脉冲/拐点阻抗（Zzk）：325Ω
三、性能特点
- 低击穿阻抗，提供更好的稳压性能与负载调整率。
- 最大功率耗散200mW，适合微功率稳压需求。
- 高稳定性与可靠性，适用于工业及消费类电路的过压保护与稳压基准。
四、封装与热管理
SOD-323为小型SMD封装，热量主要通过焊盘和PCB散发。由于Pd仅200mW，使用时应注意功耗与热降额：在高环境温度或无良好散热时，应限制通过二极管的电流，避免结温超过器件额定值。推荐在PCB布局中增大焊盘面积或增加散热铜箔以改善散热。
五、典型应用
- 基准稳压源与小信号供电稳压
- 输入过压保护与钳位电路
- 参考电压和检波电路中的电压稳定单元
- 电池管理与便携设备的局部保护
六、设计与使用注意事项
- 选择工作电流时应保证器件耗散功率不超过200mW，并考虑环境和PCB散热情况。
- 反向漏电流随温度上升而增大，低电流测量或高温场合需注意影响。
- Zzt与Zzk数值在不同测试电流下变化明显，设计时参考完整数据手册的测试条件以评估纹波抑制能力。
- SOD-323封装在回流焊过程中应遵循制造商给出的温度曲线和湿敏等级规范。
七、可靠性与质量保障
该系列强调高稳定性与可靠性，适合长期工作环境。建议在关键应用中通过样机验证器件在目标温度与载荷下的长期表现，并在批量采购时关注批次一致性与元件来源。
八、替代与选型提示
BZT52C33S属于常见的BZT52系列稳压二极管，市面上有同类33V规格的器件（不同封装与功率等级）。选型时应比较稳压精度、击穿阻抗、最大耗散功率和封装耐受性，确保满足系统散热与电流要求。
如需更多技术细节（测试条件、温度系数、引脚图及回流焊工艺参数），请参阅DOWO官方数据手册或向供应商索取完整规格书。
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