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MDD BZT52C5V6T
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MDD BZT52C5V6T
- Type
- MDD
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MDD
- Electronic Component
- BZT52C5V6T
- Electronic Component
- 1
- Package
- SOD-523
- Electronic Component
- Zener Diode
- Electronic Component
- 0.031g
- Electronic Component
- 1
- (Zzk)
- 400Ω
- (Zzt)
- 40Ω
- Electronic Component
- BM0264866567
- Diode
- 1
- Current(Ir)
- 1uA@2V
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 5.2V~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.
BZT52C5V6T（SOD-523）产品概述
一、概述
BZT52C5V6T 是 MDD 品牌的一款小功率稳压（二极管）器件，采用 SOD-523 表面贴装封装，典型稳压值 5.6V（标称）。该器件适用于低功耗、空间受限的电路中作为基准稳压或过压保护（钳位）元件，单只元件独立工作，可靠且成本低。
二、主要参数与电气特性
- 稳压值（标称）：5.6V
- 稳压值（范围）：5.2V ～ 6.0V
- 反向电流 Ir：1 μA @ 2V
- 功耗 Pd：200 mW
- 动态阻抗 Zzt：40 Ω（在测试电流条件下）
- 斜率阻抗 Zzk：400 Ω（低电流或拐点条件下）
以上参数表明在小电流工作点下该器件具有较低的漏电和适度的阻抗，适合做低电流参考或信号线钳位。基于 Pd = 200 mW，可估算最大稳态电流 Imax ≈ Pd / Vz ≈ 200 mW / 5.6 V ≈ 35.7 mA（实际应用应考虑封装散热和寿命，建议远低于该极限连续工作）。
三、典型应用场景
- 低功耗传感器和便携式设备的局部稳压/基准
- 数字或模拟信号线的过压钳位与保护
- 功率小的参考源、误差放大器的参考节点
- 抗干扰电路中的浪涌吸收（配合限流电阻）
四、使用建议与注意事项
- 限流设计：稳压二极管需与串联电阻配合使用，计算公式 R = (Vin - Vz) / Iz（Iz 为工作电流）。确保在最大输入电压及最大负载条件下不超过器件 Pd。
- 热设计：SOD-523 封装散热能力有限，连续工作电流应比理论 Imax 保守很多。对升温敏感的应用，需参考厂家 datasheet 中的功耗与温度特性曲线并做好热降额。
- 启动与噪声：稳压二极管在低电流时动态阻抗较大，输出噪声和稳压精度随电流变化。若需更低噪声或更精确参考，考虑并联滤波电容或选择精密参考源。
- 焊接与可靠性：遵循 SMD 回流焊工艺规范（参见制造商回流曲线），避免超温、长时间回流，防止元件损伤。储存和装配时注意防潮防静电。
五、选型与替代
在需要更高功率或更低阻抗时，可选择更大封装或更高 Pd 的型号；若需相近电压但更高电流能力，参考同系列的其他封装（如 SOD-323、DO-214）或同参数不同厂商的等效品。最终选型建议以实际电流、温升预算和PCB热设计为依据，并参照生产厂家的完整 datasheet 进行验证。
总结：BZT52C5V6T（SOD-523）是一款适合空间受限、低功耗稳压及保护应用的小型稳压二极管。合理的限流与热设计是保证长期可靠工作的关键。
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