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PANJIT MMSZ5240B_R1_00001
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANJIT MMSZ5240B_R1_00001
- Type
- PANJIT
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PANJIT
- Electronic Component
- MMSZ5240B_R1_00001
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Zener Diode
- Electronic Component
- 0.026g
- Electronic Component
- 1
- (Zzk)
- 600Ω
- (Zzt)
- 17Ω
- Electronic Component
- BM0265666117
- Diode
- 1
- Current(Ir)
- 3uA@8V
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 9.5V~10.5V
- Electronic Component
- 55℃~+150℃
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MMSZ5240B_R1_00001 产品概述
一、主要特性
MMSZ5240B_R1_00001 是一款独立式稳压二极管（Zener diode），标称稳压值 10V（允许范围 9.5V~10.5V），由 PANJIT（强茂）生产，封装为 SOD-123。器件设计用于提供稳定的参考电压与过压保护，适合表面贴装的小尺寸电路。工作结温范围宽，可在 -55℃ 至 +150℃ 环境下工作，适应工业级温度要求。
二、典型电气参数
- 标称稳压：10 V（9.5 V ~ 10.5 V）
- 反向电流 Ir：3 μA @ 8 V（在接近击穿电压时漏电小）
- 阻抗 Zzk：600 Ω（拐点附近特性）
- 阻抗 Zzt：17 Ω（稳压区动态阻抗，越小调节越好）
- 最大耗散功率 Pd：500 mW（SOD-123 封装，表面贴装功耗限制）
按稳压值与耗散功率估算，器件在稳压区的理论最大直流电流约为 Imax = Pd / Vz = 0.5 W / 10 V = 50 mA，但在实际应用中需考虑结温上升与长期可靠性而做适当降额。
三、典型应用场景
- 电压基准与参考源：为模拟电路、比较器或 ADC 提供局部稳压参考。
- 过压与浪涌保护：用于输入电源或敏感节点的钳位，限制电压超出阈值。
- 偏置与电平移位：在分压器、偏置网络中稳定工作点。
- 消费电子与工业控制：适用于空间受限且需表面贴装的便携设备、传感器模块与控制板。
四、封装与热管理
SOD-123 为小型表面贴装封装，便于高密度 PCB 布局。由于 Pd 为 500 mW，热阻和 PCB 散热设计对实际允许电流影响显著：建议在布局时增加铜箔散热区或选择合理的外部限流/串联电阻以防止长期过热。高工作温度下应对最大耗散进行降额，确保结温不超过 150℃。
五、选型与使用建议
- 若需更严格的电压精度或更低的动态阻抗，请参考相近型号或选择带更高功耗的封装。
- 在稳压工作点加入限流电阻或电流源，以保证二极管始终工作在稳压区且不超过功耗上限。
- 注意反向漏流 Ir 对高阻输入电路的影响，必要时在电路级加入旁路或滤波。
- 在高脉冲或浪涌环境中评估瞬态能量吸收能力，考虑配合 TVS 或缓冲电路使用。
六、可靠性与焊接注意
- 推荐遵循厂商回流焊曲线进行贴片回流，避免快速热循环导致封装应力。
- 存储与使用过程中注意防潮措施，SMD 器件在返修或长期暴露后需按潮湿敏感等级处理。
- 设计中应考虑热循环与机械振动对焊点和封装的长期影响，尤其在工业环境下。
总结：MMSZ5240B_R1_00001 是一款适合小尺寸表面贴装应用的 10V 稳压二极管，具有工业级温度范围与合理的稳压性能，适用于参考电压、钳位保护与偏置场景。在实际设计中应重视功耗降额与散热布局，以保证长期稳定可靠运行。
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