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DOWO BZT52C7V5
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO BZT52C7V5
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- BZT52C7V5
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Zener Diode
- Electronic Component
- 0.034g
- Electronic Component
- 1
- (Zzk)
- 80Ω
- (Zzt)
- 15Ω
- Electronic Component
- BM0258760022
- Diode
- 1
- Current(Ir)
- 1uA@5V
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 7.13V~7.88V
- 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.
BZT52C7V5（7.5V）稳压二极管产品概述
一、产品简介
BZT52C7V5 是 DOWO（东沃）品牌的一款小功率稳压二极管，标称稳压值 7.5V，常用于低功耗的基准电压、过压保护和小信号稳压场合。器件封装为 SOD-123，体积小、适合表贴组装，适用于空间受限的消费类与工控类电子设备。
二、主要电气参数
- 稳压值（标称）：7.5V
- 稳压值范围：7.13V ~ 7.88V
- 反向电流 Ir：1 μA @ 5V
- 耗散功率 Pd：500 mW（在规定散热条件下）
- 动态阻抗（Zzt）：15 Ω
- 峡谷阻抗（Zzk）：80 Ω
三、关键特性与影响
- 低反向泄漏：Ir=1 μA（5V）表明在低反向偏置下漏电小，适合对静态功耗敏感的应用。
- 中等动态阻抗：Zzt=15 Ω 在工作区间内提供较稳定的稳压，但在负载或电流波动较大时会产生较明显的压降。Zzk=80 Ω 指示在拐点区恢复特性较陡峭，对快速转移有影响。
- 小封装功率限制：500 mW 的功耗额定值要求在电路设计中注意热耗散和降额使用。
四、典型应用场合
- 小功率参考电压源与基准电路
- 串联电阻配合使用的简单稳压器或偏置电路
- 输入浪涌或瞬态钳位保护
- ADC、比较器的参考或偏置设定（要求低功耗且允许一定稳压误差）
五、选型与使用建议
- 额定功耗 Pd 仅 500 mW，建议实际工作中留有裕量（如不超过额定值的 50%～70%），并在 PCB 设计中提供合理的铜箔散热路径。
- 若需要更精确的稳压，应选用低阻抗或高精度型号，或在稳压二极管前加稳流电路并控制测试电流。
- 对于瞬态抑制或高浪涌场合，需配合限流元件或选择更高功率器件。
- 加旁路电容（如 0.1 μF）可改善高频稳定性和瞬态响应。
六、封装与可靠性注意
SOD-123 为常见小封装，适合回流焊工艺。注意焊接温度曲线符合厂家规范，避免过热影响可靠性。存储和搬运应防潮，长期存放建议按元器件防潮要求密封保存。
总结：BZT52C7V5 是一款适用于低功耗、空间受限场合的 7.5V 稳压二极管。设计时需关注其 500 mW 的功率限制和中等阻抗特性，合理热设计与限流措施能显著提升使用可靠性与稳定性。
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