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Hottech BZT52C24
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Hottech BZT52C24
- Type
- HOTTECH
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- HOTTECH
- Electronic Component
- BZT52C24
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Zener Diode
- Electronic Component
- 0.033g
- Electronic Component
- 1
- (Zzk)
- 250Ω
- (Zzt)
- 70Ω
- Electronic Component
- BM0227559970
- Diode
- 1
- Current(Ir)
- [email protected]
- Power Dissipation(Pd)
- 350mW
- Electronic Component
- 22.8V~25.6V
- 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.
BZT52C24（24V 稳压二极管）产品概述
一、产品简介
BZT52C24 是 Hottech（合科泰）生产的独立式稳压二极管，名义稳压值为 24V，实际稳压范围 22.8V～25.6V。器件采用 SOD-123 小型表面贴装封装，针对低功耗、体积受限的稳压和保护用途优化设计，适用于精简的基准源、浪涌钳位和电压稳压场合。
二、主要参数与特性
- 标称稳压：24V（稳压范围 22.8V～25.6V）
- 反向泄漏电流 Ir：100 nA（测量点 16.8V）
- 耗散功率 Pd：350 mW（在规定散热条件下）
- 动态阻抗 Zzt：70 Ω（测试点）
- 膝点阻抗 Zzk：250 Ω（低电流区）
这些参数表明该型号在小电流工作点具有较低泄漏与中等动态阻抗，适合做低功耗参考和小信号钳位用。
三、封装与物理特性
SOD-123 封装体积小、重量轻，便于高密度贴装与自动化生产。由于功耗限制（Pd=350mW），SOD-123 热阻相对较大，长时间大电流工作会导致结温升高，因此推荐在 PCB 设计中留有必要的散热面积或采用并联/外部散热措施。
四、应用场景与典型电路
- 工作电压接近 24V 的低功耗稳压参考与偏置源；
- 输入瞬态或过压钳位（防止敏感电路受高压冲击）；
- 通信设备、传感器模块、电源监测电路中作为保护或参考器件。
典型接法为并联在需稳压节点与地之间作为齐纳稳压器，注意加入限流电阻以控制通过齐纳的电流并保证在最大耗散功率内工作。
五、选型与使用注意事项
- 功耗限制：在 24V 下理论最大稳压电流约 14 mA（0.35W/24V），实际应留安全裕度，建议工作电流远低于此值；
- 动态阻抗：Zzt 与 Zzk 较大时，在负载变化或较高纹波下稳压精度受影响，若需更低阻抗应选择功耗更高或专用稳压源；
- 泄漏电流：Ir 很小，适合对漏电敏感的应用，但在高温下泄漏会升高；
- 焊接与回流：遵循 SOD-123 的回流温度曲线，避免超温或长时间高温以防器件失效。
六、可靠性与存储
建议在干燥、常温环境中存储，避免潮气与强腐蚀性气体；高温长期工作会降低可靠性，设计时应考虑温度系数与热降额。使用前如长期存放，遵循制造商的保质期与防潮要求。
七、订购信息与替代方案
品牌：Hottech（合科泰）；封装：SOD-123；型号：BZT52C24。若需更高功耗或更低动态阻抗，可考虑更大封装或功率更高的稳压二极管或专用线性稳压器。购买时注意查验批次、封装标识与完整数据表以保证参数一致。
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