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BZT52C9V1
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- YONGYUTAI BZT52C9V1
- Type
- YONGYUTAI
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YONGYUTAI
- Electronic Component
- BZT52C9V1
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Zener Diode
- Electronic Component
- 0.032g
- Electronic Component
- 1
- (Zzk)
- 100Ω
- (Zzt)
- 15Ω
- Electronic Component
- BM0226441236
- Diode
- 1
- Current(Ir)
- 500nA@6V
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 8.5V~9.6V
- 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.
BZT52C9V1 — 9.1V 稳压二极管（SOD-123）产品概述
一 概述
BZT52C9V1 是一款由 YONGYUTAI（永裕泰）生产的独立式稳压二极管，封装为紧凑的 SOD-123 型。标称稳压值为 9.1V，实际稳压范围为 8.5V 至 9.6V。器件额定耗散功率 Pd 为 500mW，适合低功耗电源稳压与电压钳位用途。器件反向漏电流 Ir 为 500nA（在 6V 时），在低电流条件下具有良好的高阻抗特性。
二 主要电气参数
- 标称稳压：9.1V（范围 8.5V–9.6V）
- 最大耗散功率：500mW
- 反向漏电流：500nA @ 6V
- 静态阻抗（Zzk）：100Ω（用于描述低电流或拐点附近的阻抗特性）
- 动态阻抗（Zzt）：15Ω（在稳压工作点附近的小信号阻抗）
这些参数表明器件在小信号到中等偏置电流下能维持较稳定的电压输出，适合作为参考源或低功耗钳位元件。
三 应用场景
- 低功耗电源的基准电压或参考电压
- 信号线、接口的过压钳位与瞬态抑制（非高能冲击）
- 放大器偏置网络与基准源稳定化
- 电池供电设备与便携式电子产品中对体积和功耗敏感的场合
四 设计与使用要点
- 电流限制：稳压管工作时需串联限流电阻，以保证 Iz 使 Vz 稳定且不超过功耗上限。理论上 Iz_max ≈ Pd / Vz ≈ 500mW / 9.1V ≈ 55mA，但实际设计应远低于该值以保证长期可靠性（常见工作电流为数毫安级）。
- 热管理：SOD-123 封装体积小，热阻较高，应注意 PCB 散热设计与功率降额，避免长期接近最大耗散功率。
- 低电流性能：反向漏电仅 500nA（6V），适合需要低漏电的应用，但需注意在接近稳压值以下工作时的电压漂移。
- 并联与去耦：在有噪声或瞬态的环境中，稳压端并联适当旁路电容可改善瞬态响应与稳定性。
五 选型与替代建议
当需更高功耗或更窄容差时，可考虑更高 Pd 规格或精度更好的精密基准源；若空间允许且需更低动态阻抗，可选用功率更大的封装。BZT52C9V1 的优势在于体积小、成本低、适合大批量消费类产品应用。
六 储存与可靠性建议
建议按厂商提供的封装和湿敏等级（MSL）要求储存并按推荐回流焊曲线焊接。避免在高湿或强机械应力下长期存放，以保持封装与焊接可靠性。
总结：BZT52C9V1 是一款面向低功耗、体积受限场合的 9.1V 稳压二极管，具有低漏电、适中阻抗与 500mW 的耗散能力，适合做参考稳压、偏置与一般电压钳位用途。在实际设计中需关注限流、热降额以及 PCB 散热。
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