WMSIC Electronic Components

PANJIT MMSZ5232A_R1_00001

ModelMMSZ5232A_R1_00001
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT MMSZ5232A_R1_00001
Type
PANJIT
Minimum package
3000

Technical parameters

Electronic Component
PANJIT
Electronic Component
MMSZ5232A_R1_00001
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.031g
Electronic Component
1
(Zzk)
1.6kΩ
(Zzt)
11Ω
Electronic Component
BM0230043985
Diode
1
Current(Ir)
5uA@3V
Power Dissipation(Pd)
500mW
Electronic Component
5.49V~5.71V
Electronic Component
50℃~+150℃
Electronic Component
3000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

MMSZ5232A_R1_00001 产品概述

一、产品简介

MMSZ5232A_R1_00001 是 PANJIT(强茂)出品的一款独立式 5.6V 稳压二极管,封装为 SOD-123。该型号属于小功率表面贴装稳压二极管,用于在电路中提供恒定参考电压或稳压保护。器件针对空间受限、成本敏感且需要稳定 5.6V 参考/钳位的场合设计,适合集成在各类模拟、数字与电源管理电路中。

二、主要参数

  • 稳压值(标称):5.6V
  • 稳压值(范围):5.49V ~ 5.71V
  • 反向泄漏电流 Ir:5 µA @ 3.0V
  • 耗散功率 Pd:500 mW(器件额定耗散功率)
  • 动态阻抗 Zzt:11 Ω
  • 膝部阻抗 Zzk:1.6 kΩ
  • 结温工作范围:-50 ℃ ~ +150 ℃
  • 封装:SOD-123(表面贴装)
  • 配置:独立式稳压二极管
  • 品牌:PANJIT(强茂)

三、特性与优势

  • 稳压精度高:标称 5.6V,工作范围 5.49V~5.71V,适合对参考电压有中高精度要求的电路。
  • 低动态阻抗:Zzt 为 11 Ω,在额定测试电流附近表现出良好的负载调节能力,输出电压随电流变化小。
  • 小封装、高密度:SOD-123 封装适合表面贴装生产与自动化焊接,占板面积小。
  • 宽工作温度范围:-50 ℃~+150 ℃,适合工业级与苛刻环境使用。
  • 可靠的低漏电性能:在 3.0V 反向偏置下泄漏电流仅 5 µA,有利于低功耗设计中的静态电流控制。

四、应用场景

  • 电源参考与基准电压源:用于提供稳定的 5.6V 参考电压。
  • 过压保护/钳位:用于保护输入端或敏感器件,限制电压峰值。
  • 低功耗电子设备:在待机或低电流场景中作为稳压或泄放元件。
  • 通信设备、传感器前端、便携式设备及工业控制模块中常见应用。

五、封装与热管理

SOD-123 为常见的小封装表面贴装形式,适合回流焊工艺。器件的额定耗散功率为 500 mW,这是在特定散热条件与环境温度下测得的值。理论上在稳压电压 Vz ≈ 5.6V 时的最大稳压电流 Iz_max ≈ Pd / Vz ≈ 0.5 W / 5.6 V ≈ 89 mA。但实际使用时应考虑封装热阻、PCB 散热面积以及环境温度的降额效应。建议在没有额外散热措施的情况下,将连续工作电流限制在保守值(例如 ≤50 mA)以内,并为高电流脉冲提供电流限制或串联电阻以避免过热。

六、典型电路与使用建议

  • 基本稳压:将稳压二极管并联在负载端,通过串联限流电阻从更高电源向二极管供电,当输入电压高于 5.6V 时二极管导通并钳位电压。
  • 过压保护:将其并联在待保护节点,配合分流电阻或瞬态吸收器件处理短时高能量冲击。
  • 封装焊接注意:按厂商推荐的回流曲线进行焊接,避免超过封装最高结温。焊接后建议进行外观与光学检查以确保焊点质量。
  • 测试测量:测量稳压特性时,应在指定的测试电流条件下读取 Vz,并注意温度对 Vz 的影响。

七、选型与注意事项

  • 功率与散热:若应用中持续电流接近理论最大值,应增大 PCB 散热面或选择更大功率器件。
  • 精度与阻抗:对输出电压抖动敏感的设计,应关注 Zzt 所对应的测试电流(数据手册给出具体 Izt),并尽量在该工作点附近使用以获得最佳稳压性能。Zzk 指示在低电流工作时的膝部特性,值较大时需避免处于膝部附近作为主要稳压点。
  • 温度漂移:在高或低温极限下,Vz 会有一定漂移,应在系统设计中留出容差或采用温度补偿措施。
  • 漏电与低电压条件:若电路中需要在低偏压条件下保持极低漏电,注意 Ir 的测试点(5 µA @ 3.0V),并根据实际偏置选择。

八、质量与可靠性

PANJIT(强茂)为成熟的半导体厂商,器件可提供常规的电气测试与质量保证。生产批次的稳定性、焊接可靠性及电气特性应通过样片评估与可靠性测试(温度循环、高低温存储、湿热等)进行验证,确保满足最终产品长期运行要求。

总结:MMSZ5232A_R1_00001 以 5.6V 稳压值、低动态阻抗及紧凑的 SOD-123 封装为主要卖点,适合中等功率、空间受限且需稳定参考或过压钳位的应用场合。设计时应注意耗散功率与热降额,按实际工作电流与温度选择合适的使用方式。

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