WMSIC Electronic Components

PANJIT MMSZ5221B_R1_00001

ModelMMSZ5221B_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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT MMSZ5221B_R1_00001
Type
PANJIT
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
MMSZ5221B_R1_00001
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.031g
Electronic Component
1
(Zzk)
1.2kΩ
(Zzt)
30Ω
Electronic Component
BM0265820317
Diode
1
Current(Ir)
100uA@1V
Power Dissipation(Pd)
500mW
Electronic Component
2.28V~2.52V
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.

PANJIT MMSZ5221B_R1_00001稳压二极管产品概述

PANJIT(强茂)MMSZ5221B_R1_00001是一款低电压表面贴装稳压二极管,采用独立式设计,针对便携式电子、传感器模块等低功耗场景优化,凭借精准稳压特性、宽温可靠性及小型化封装,成为众多电路设计中电压基准与过压保护的优选器件。

一、产品核心定位与典型应用场景

该稳压管主打2.4V左右低电压稳压,适配对电压精度要求适中、空间受限的电路场景,典型应用包括:

  1. 便携式电子设备:智能手机、蓝牙耳机、智能手环等的电源滤波与基准电压生成,满足低功耗设计需求;
  2. 传感器模块:温湿度传感器、压力传感器的参考电压源,保障信号采集的稳定性;
  3. 小型电路过压保护:低功耗MCU、射频模块的输入过压钳位,防止静电或瞬态电压损坏;
  4. 工业控制单元:针对极端环境(-55℃~+150℃)的辅助电路稳压,适配工业自动化设备的宽温需求。

二、关键电气参数深度解析

产品参数围绕“低功耗、精准稳压、宽温可靠”设计,核心参数及意义如下:

  • 稳压值(标称/范围):标称2.4V,公差±5%(2.28V~2.52V),满足多数普通电路对电压基准的精度要求,无需额外校准;
  • 反向漏电流(Ir):100uA@1V反向偏置,漏电流极低,静态功耗可忽略,适合电池供电的低功耗场景;
  • 耗散功率(Pd):500mW,是封装与芯片能承受的最大功率上限,实际使用时需控制工作电流(I_z \leq \frac{P_d}{V_z} \approx 208mA);
  • 动态阻抗(Zzt):30Ω(测试电流下),表示稳压值随电流变化的灵敏度,数值越小稳压特性越稳定;
  • 拐点阻抗(Zzk):1.2kΩ,反映稳压管从反向截止到击穿的过渡特性,确保小电流下也能快速进入稳压区;
  • 工作结温范围:-55℃~+150℃,覆盖工业级与汽车级(部分场景)的温度需求,极端环境下性能稳定。

三、封装与机械特性

采用SOD-123表面贴装封装,具备以下优势:

  • 小型化设计:封装尺寸约2.4mm×1.6mm×1.1mm,引脚间距0.9mm,适配高密度PCB布局,节省电路板空间;
  • 焊接兼容性:符合IPC标准的焊接温度(260℃/10秒),支持回流焊、波峰焊等批量生产工艺,良率高;
  • 机械可靠性:封装采用耐高温环氧树脂,抗振动、冲击性能符合MIL-STD-202标准,适合运输与长期使用。

四、品牌与品质保障

PANJIT(强茂)作为台湾老牌半导体厂商,该产品具备:

  • 环保合规:符合RoHS 2.0、REACH等国际环保标准,无铅无卤,适配绿色制造需求;
  • 批量一致性:采用先进晶圆制造工艺,参数离散性小,批量应用时电路性能稳定;
  • 可靠性测试:通过高温存储(150℃/1000小时)、温度循环(-55℃~+150℃/1000次)、湿度测试(85℃/85%RH/1000小时)等严苛测试,寿命达数千小时。

五、选型与使用注意事项

为保障电路可靠性,使用时需注意:

  1. 稳压区确认:必须工作在反向击穿区(电压≥2.4V),正向导通时无稳压作用;
  2. 功率限制:实际工作电流(I_z)需满足(I_{zmin} \leq I_z \leq I_{zmax})((I_{zmax} \approx 208mA)),避免过功率烧毁;
  3. 温度补偿:低电压稳压管温度系数约0.08mV/℃,高温环境下稳压值略有上升,需根据场景预留余量;
  4. 并联均流:若需增大输出电流,可并联多个器件,但需串联10Ω~100Ω均流电阻,避免电流集中;
  5. 焊接规范:手工焊接时温度不超过350℃,时间不超过3秒,防止封装损坏。

综上,PANJIT MMSZ5221B_R1_00001凭借精准稳压、低功耗、宽温可靠及小型化封装,成为消费电子、工业控制等领域的高性价比稳压方案,适配多数低电压电路的基准与保护需求。

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