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DIOTEC MMSZ5260B
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DIOTEC MMSZ5260B
- Type
- DIOTEC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DIOTEC
- Electronic Component
- MMSZ5260B
- Electronic Component
- 1
- Package
- SOD-123F
- Electronic Component
- Zener Diode
- Electronic Component
- 0.027g
- Electronic Component
- 1
- (Zzt)
- 93Ω
- Electronic Component
- BM0228685093
- Diode
- 1
- Current(Ir)
- 100nA@33V
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 40.8V~45.2V
- Electronic Component
- 50℃~+150℃
- 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.
MMSZ5260B — 43V 500mW 稳压二极管（DIOTEC 德欧泰克）
一、概述
MMSZ5260B 为 DIOTEC（德欧泰克）系列的高压稳压二极管，标称稳压值 43V，适合用于中高电压参考、浪涌吸收和电压钳位场合。器件体积小、封装为 SOD-123F，适合表面贴装应用，对空间受限的功率轨或保护电路尤为合适。
二、主要参数
- 标称稳压值：43V
- 稳压值范围：40.8V ~ 45.2V
- 反向电流 Ir：100 nA @ 33V
- 最大耗散功率 Pd：500 mW（在规定散热条件下）
- 纹波阻抗 Zzt：93 Ω（在厂方规定测试条件下）
- 工作结温范围：-50 ℃ ~ +150 ℃
- 封装：SOD-123F
三、产品特性
- 低反向漏电：在33V 时 Ir 仅 100 nA，利于低漏电设计与高阻抗参考。
- 中等稳压阻抗：Zzt 93 Ω 表明在工作点附近存在一定动态阻抗，适合用作粗稳压或钳位保护，而非精密参考源。
- 宽温度范围与良好耐热能力，适用于工业级环境。
- SMD 小封装便于自动贴装，适合批量生产。
四、典型应用
- 电源轨过压钳位与稳压（中功率、空间受限场合）。
- 直流电压参考或偏置源（对精度要求不高时）。
- 输入电源浪涌或瞬态抑制（与串联阻抗或限流器件配合）。
- 通信设备、测控模块及电池管理中的过压保护。
五、热与可靠性建议
- 500 mW 为器件在规定散热条件下的最大耗散功率，SOD-123F 封装受限于 PCB 散热，请在实际 PCB 设计时考虑铜箔散热面积与热沉路径。
- 长时间在高温或高耗散工况下应降额使用，避免靠近结温上限。
- 典型情况下在高功率冲击或频繁脉冲条件下，需评估峰值功耗与平均功耗。
六、封装与安装注意
- 封装：SOD-123F，适合常规 SMT 贴装与回流焊工艺。
- 建议遵循厂家回流焊温度曲线与焊接时间，避免超过器件允许的热循环。
- 焊盘与过孔布局应保证良好散热并避免应力集中。
七、选型建议
- 若需要较低动态阻抗或高精度参考，应选用阻抗更低的精密基准源；若用于保护或一般稳压，MMSZ5260B 在体积与成本上具有优势。
- 设计时根据最大 Pd 与实际工作电压／电流计算结温并留有安全裕量；必要时增加限流或分流元件以保护二极管。
以上为基于器件典型参数的产品概述。具体电气及机械细节、测试条件和封装图请参照 DIOTEC 官方器件数据手册以获得最终设计数据。
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