WMSIC Electronic Components

PANJIT MMSZ5232B_R1_00301

ModelMMSZ5232B_R1_00301
PackageSOD-123
BrandPANJIT
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT MMSZ5232B_R1_00301
Type
PANJIT
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
MMSZ5232B_R1_00301
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.031g
Electronic Component
1
(Zzk)
1.6kΩ
(Zzt)
11Ω
Electronic Component
BM0230029959
Diode
1
Current(Ir)
5uA@3V
Power Dissipation(Pd)
500mW
Electronic Component
5.32V~5.88V
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.

MMSZ5232B_R1_00301 产品概述

一、产品简介

MMSZ5232B_R1_00301 是强茂(PANJIT)出品的一款小功率稳压二极管,标称稳压值为 5.6V,采用 SOD-123 表面贴装封装。该器件适用于对电压有中等精度要求的稳压、基准和过压保护电路,具有体积小、安装方便、成本低的特点,适合消费电子、仪表以及通信终端等领域。

二、主要参数与电气特性

  • 稳压值(标称):5.6 V
  • 稳压值范围:5.32 V ~ 5.88 V(反映器件生产偏差与公差)
  • 反向电流 Ir:5 µA @ 3 V(在3V反向电压下的泄漏电流)
  • 耗散功率 Pd:500 mW(最大耗散功率,注意按环境与封装热阻降额使用)
  • 稳态阻抗 Zzt:11 Ω(在规定测试电流下的交流动态阻抗)
  • 低电流斜率阻抗 Zzk:1.6 kΩ(接近击穿区“膝部”时的阻抗特性)
  • 工作结温范围:-55 ℃ ~ +150 ℃

注:稳压特性与阻抗通常依赖于测试电流(Iz)与温度,使用前建议参照厂方详细数据手册中的测试条件以获得精确参数。

三、封装与机械特性

器件采用 SOD-123 小型表面贴装封装,适合自动化贴装与波峰/回流焊工艺。SOD-123 在空间受限的 PCB 设计中便于布局,但因封装热阻相对较高,器件在大功率工作条件下需要注意导热散热设计以避免结温超限。

四、典型应用场景

  • 参考稳压源、基准电压的二级稳压或偏置电路
  • 过压保护与钳位(保护敏感电路免受瞬态电压冲击)
  • 电源模块输出的次级稳压与噪声抑制
  • 通信设备、传感器接口及便携式终端的电压保护和偏置

五、设计与 PCB 布局建议

  • 为充分利用 Pd(500 mW),建议在 PCB 上增加焊盘面积和铜箔散热,靠近器件引脚布置散热铜地或散热过孔。
  • 尽量缩短与被保护/稳压节点的连接线,减少寄生电感与电阻,改善稳压响应。
  • 回流焊时遵循强茂推荐的温度曲线,避免过温或超时导致封装损伤。
  • 在敏感模拟电路中,可串联限流电阻以控制通过稳压二极管的电流,防止在过压或短路条件下超出最大耗散功率。

六、可靠性与使用注意事项

  • 工作温度范围宽,但器件的最大耗散功率会随结温上升而降低,长期高温工作应作降额设计。
  • 反向电流在低电压下仍可达到微安级,设计时应考虑静态漏电对系统待机电流的影响。
  • 对于要求更高精度或更低噪声的参考电源,应采用专用电压参考芯片或更高精度的稳压元件替代。

七、采购与替代说明

  • 型号:MMSZ5232B_R1_00301,品牌:PANJIT(强茂)。
  • 若需替代器件,可在相同稳压电压等级(≈5.6V)、相似最大耗散功率和封装的稳压二极管中选择,但需核对稳压精度、阻抗、反向电流及热特性以保证替代后的电路性能一致。
  • 选型时建议参考强茂完整数据手册及样片验证,以确认在目标应用工况下的稳压与热特性满足要求。

如需我帮您检索该型号的完整数据手册、回流焊曲线或进行与特定电路的匹配计算,可提供电路工作电流与环境条件,我将进一步协助。

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