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DOWO BZT52C39
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO BZT52C39
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- BZT52C39
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Zener Diode
- Electronic Component
- 0.035g
- Electronic Component
- 1
- (Zzk)
- 350Ω
- (Zzt)
- 130Ω
- Electronic Component
- BM0264356182
- Diode
- 1
- Current(Ir)
- [email protected]
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 37.05V~40.95V
- 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.
BZT52C39 产品概述
一、产品简介
BZT52C39 是 DOWO（东沃）推出的一款小功率齐纳稳压二极管，标称稳压值为 39V，采用 SOD-123 表面贴装封装。器件以低击穿阻抗、高稳定性和可靠性为主要特性，适用于空间受限的电路板上作为电压基准、过压保护及电压钳位元件。
二、主要电气参数
- 稳压值（标称）：39V
- 稳压值范围：37.05V ～ 40.95V（±5%）
- 反向电流 Ir：100 nA @ 27.3V
- 最大耗散功率 Pd：500 mW（环境与散热条件下）
- 击穿阻抗 Zzt：130 Ω
- 折返/低电流阻抗 Zzk：350 Ω
三、特点与优势
- 低击穿阻抗：在工作点附近提供较小的动态阻抗，利于提高稳压精度。
- 微小封装：SOD-123 适合高密度 SMT 贴装，便于量产自动化加工。
- 低漏电流：在较高电压下仍保持纳安级反向电流，适合小电流偏置或高阻电路。
- 可靠性高：设计用于长期稳定工作，适合工业类电源管理和保护场景。
四、典型应用
- 参考电压源与偏置电路
- 输入端或局部电路的过压/浪涌钳位
- 模拟电路的限幅与保护
- 通信设备、仪表和工业控制中对较高电压稳压或保护需求的场合
五、封装与安装注意
- 封装：SOD-123，适合回流焊工艺。焊接时请遵循常规回流温度曲线并参考厂商建议的峰值温度和时长。
- 热管理：最大耗散功率 500 mW 在实际应用中受 PCB 散热条件影响显著。建议为长期稳定工作留有功率裕量并优化铜箔散热，避免长期在 Pd 限值附近工作。
- 储存与搬运：避免潮湿与静电损伤，贴片元件按常规防潮措施存放并在规定时间内回流焊接。
六、可靠性与选型建议
在选型时，请根据实际电路工作电压、电流和环境温度评估器件的功耗与结温，必要时预留 20%~50% 的功率余量以提高寿命和稳定性。如需更详细的测试曲线（伏安特性、温度系数、阻抗随电流变化等），建议参照 DOWO 的完整数据手册以获得规范的试验条件与典型性能曲线。
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