WMSIC Electronic Components

PANJIT MMSZ5244A_R1_00301

ModelMMSZ5244A_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 MMSZ5244A_R1_00301
Type
PANJIT
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
MMSZ5244A_R1_00301
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.031g
Electronic Component
1
(Zzk)
600Ω
(Zzt)
15Ω
Electronic Component
BM0264544581
Diode
1
Power Dissipation(Pd)
500mW
Electronic Component
13.72V~14.28V
Electronic Component
50℃~+150℃

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

MMSZ5244A_R1_00301稳压二极管产品概述

一、产品定位与核心价值

MMSZ5244A_R1_00301是PANJIT(强茂)推出的超小型表面贴装稳压二极管,核心用于电子电路的电压稳定、过压保护及基准电压参考,适配对体积、功耗有严格限制的设备设计,兼具精度与可靠性的平衡表现,是消费电子、小型家电等领域的高性价比选型。

二、关键电气特性参数详解

该器件的性能围绕稳压核心功能优化,关键参数如下:

  1. 稳压值特性:标称稳压值14V,稳压范围覆盖13.72V~14.28V(对应±2%精度公差,14V×2%=0.28V),满足普通稳压场景的精度需求;
  2. 反向漏电流:反向电压10.5V(低于稳压值)下,反向电流仅500nA,低漏电流有效降低待机功耗,适合电池供电设备;
  3. 耗散功率限制:最大允许耗散功率500mW,实际工作电流需≤500mW/14V≈35.7mA,避免过载;
  4. 阻抗特性:动态阻抗(Zzt)15Ω(典型测试电流下),拐点阻抗(Zzk)600Ω——低动态阻抗意味着负载电流变化时,稳压值波动极小,稳定性突出;
  5. 温度适应性:工作结温范围**-50℃~+150℃**,可覆盖高低温环境下的稳定工作。

三、封装与物理特性

采用SOD-123表面贴装封装,是超小型化封装形式:

  • 典型尺寸:2.0mm(长)×1.25mm(宽)×1.0mm(高),引脚间距0.5mm;
  • 适配高密度PCB布局,尤其适合手机、智能穿戴等小型设备的空间限制;
  • 封装材质符合RoHS环保标准,兼容无铅焊接工艺。

四、核心性能优势

  1. 精度与稳定性平衡:±2%稳压精度+15Ω低动态阻抗,负载波动时输出电压稳定,减少电路干扰;
  2. 低功耗设计:500nA反向漏电流,待机状态下功耗可忽略,适配电池供电的便携设备;
  3. 宽温适应性:-50℃~+150℃结温范围,覆盖工业级(低温启动)、消费级(户外高温)等场景;
  4. 高可靠性:PANJIT工艺保障,反向击穿特性稳定,多次过压冲击后性能衰减极小,使用寿命长。

五、典型应用场景

该器件的紧凑体积与稳定性能,适配以下场景:

  1. 消费电子:手机、平板、智能手表的电源稳压模块、充电电路过压保护;
  2. 小型家电:遥控器、智能灯泡、小型加湿器的辅助稳压;
  3. 工业控制:小型传感器节点、PLC辅助电路的基准电压参考;
  4. 通信设备:无线耳机、蓝牙模块、小型基站的电源滤波稳压;
  5. 汽车电子(次级应用):车载USB接口、仪表盘辅助电路的过压保护(需确认环境温度在结温范围内)。

六、选型与使用注意事项

  1. 功耗计算:实际工作电流需≤35.7mA(500mW/14V),避免长期过载;
  2. 焊接规范:采用回流焊工艺,峰值温度≤260℃,焊接时间≤10秒,防止热损伤;
  3. 极性确认:必须反向接入电路(正向为二极管特性,无稳压作用),需核对PCB丝印极性;
  4. 测试参考:动态阻抗(Zzt)的测试电流需参考PANJIT官方 datasheet(通常为1mA或5mA),避免误判性能。

七、品牌与可靠性背书

PANJIT(强茂)是全球知名半导体制造商,其稳压二极管通过IEC、JEDEC等行业标准测试(温度循环、湿度老化、机械振动等),MMSZ5244A_R1_00301可放心用于量产项目,长期可靠性有保障。

该器件以“小体积、低功耗、稳性能”为核心亮点,是中小功率稳压场景的高性价比选型。

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